Weather StoryAlmanac, microseasons, and the day's weather story.

Grand Rapids, Michigan Weather

Night falls a minute earlier. Day 43 of summer. Read this microseason across nine climate regions →

Grand Rapids weather forecast — hour by hour, 7-day outlook, NOAA radar

Grand Rapids, MI
Sunday, August 2 at 12:06 PM
72
°
Partly Cloudy
Feels like
74°
Humidity
78%
Wind
10 mph
Sunrise
2:35 AM
Sunset
5:02 PM
Grand Rapids, MI
Hour by hour · 24h
24-Hour ForecastGrand Rapids, MI: 24-hour forecast. Temperatures range from 61 to 82 degrees Fahrenheit.
L 61°H 82°
Grand Rapids, MI
7-day forecast
  1. Today
    Aug 2
    Light Drizzle
    25%
    —
    82°65°—
  2. Monday
    Aug 3
    Clear
    —
    —
    84°61°+2°
  3. Tuesday
    Aug 4
    Clear
    —
    —
    91°60°+7°
  4. Wednesday
    Aug 5
    Overcast
    37%
    —
    88°62°-3°
  5. Thursday
    Aug 6
    Drizzle
    42%
    0.04″
    84°64°-4°
  6. Friday
    Aug 7
    Overcast
    12%
    —
    94°63°+10°
  7. Saturday
    Aug 8
    Thunderstorm
    13%
    0.01″
    89°65°-5°
Grand Rapids, MI
Next 24 hours · Mild now
56°71°86°12p6p12a6anow 72°high 82°low 61°
Grand Rapids, MI
Anemometer · 24h winds · from true
NESW
From · True
NNE
016° · backing 42°
Direction
NNE
016°
Sustained
10
mph
Gust
18
mph
Peak 24h
27
avg 8 mph
Beaufort · 3 · GENTLE BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 8 mph · pk 27 mph @ 12:00a
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 225SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 42° from the nne.
Grand Rapids, MI
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
983.8
+0.2 mb in 3h · steady · 29.05 inHg
Now
983.8
mb
3h
+0.2
mb
12h
-0.3
mb
24h
-0.2
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 983–984
975980985990-21h-18h-15h-12h-9h-6h-3h-24hNOW984.2982.6983.6
Deep low — expect rough seas, strong wind, and persistent rain.
Grand Rapids, MI
Air quality
55
AQI
Moderate
→-3 in 6h

AQI 55 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 6.7 µg/m³, PM10 at 7.0 µg/m³ — typical background levels with no transport signature.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5DRIVERGood
6.7μg/m³
PM 10Good
7μg/m³
NO₂Good
2μg/m³
OzoneModerate
71μg/m³
UV IndexModerate
2.4

What's driving it

Ozone × UV × Sky

Ozone at AQI 34 now. With UV 2.8 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 9.

Present
AQI 34
UV peak
2.8 at 1 PM
Sky at peak
partly cloudy
Projected peak
AQI 9

PM × Wind × Precip

PM2.5 at 6.7 µg/m³, PM10 at 7.0 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.96
Wind
breezy
Recent rain
0h in last 6h
Pattern
background

Trends

Seven days of AQI and PM2.5.

Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).

7-DAY AQI TREND50100SUNMONTUEWEDTHUFRISATSUN7-DAY PM2.5 TREND · μg/m³380
Grand Rapids, MI
Sky cover · visibility · 24h
Cloud cover
69%
PARTLY CLOUDY
100%0%−24h−18h−12h−6hnow
Visibility
36.7mi
UNLIMITED
39 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
16:06 UTC · Grand Rapids, MI · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
16:06 UTC · Grand Rapids, MI · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Grand Rapids, MI
Satellite · infrared · animated
Grand Rapids, MI
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Grand Rapids, MI
Almanac · Sunday, August 2
Red sky at night, sailor's delight.
Civil dawn
6:03 AM
Sunrise
2:35 AM
Daylight
14h 27m
Sunset
5:02 PM
Civil dusk
9:36 PM
Planting note
Sow fall peas. Start kale and collard seedlings for fall.
Grand Rapids, MI
The moon
Waning Gibbous
84% illuminated
Moonrise
10:27 PM
Moonset
10:48 AM
In sign
♓︎ Pisces
Grand Rapids, MI
Microseason
Aug 1–5

Night falls a minute earlier

celestial
Jan 159% of the yearDec 31

Read this microseason across nine climate regions →

Grand Rapids at a glance

  • Today vs. normal: 12°F above the seasonal normal for this latitude
  • Last frost: May 4 (climatological average for this latitude)
  • Microseason: Aug 1–5
  • Planting window: Sow fall peas. Start kale and collard seedlings for fall.

ZIP codes: 49503, 49504, 49505, 49506, 49507, 49508, 49512, 49525 +4 more

16-Day Forecast — Grand Rapids

  1. Sun82°65°25%
  2. Mon84°61°0%
  3. Tue91°60°0%
  4. Wed88°62°37%
  5. Thu84°64°42%
  6. Fri94°63°12%
  7. Sat89°65°13%
  8. Sun97°73°28%
  9. Mon88°68°29%
  10. Tue86°63°21%
  11. Wed81°67°25%
  12. Thu90°70°27%
  13. Fri99°72°32%
  14. Sat87°69°17%
  15. Sun86°61°10%
  16. Mon76°65°17%

Forecast data from Open-Meteo (CC BY 4.0).

Live wind & temperature near Grand Rapids

Right now in the garden

Peak growing season

As of August 2, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

Sun & seasons in Grand Rapids

Grand Rapids sits in Kent County, where the year’s longest day runs 15h 21m of daylight and its shortest just 9h 0m — a swing of +6h 21m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.

Detroit, the state’s largest city, lies about 136 miles to the ESE. The nearest town Grand Rapids tracks is Muskegon, roughly 35 miles to the WNW.

Air quality in Grand Rapids’s county has trended dirtier since 2020; its cleanest year on record was 2020 (median AQI 39). See the full air-quality history for Grand Rapids.

January 1–5: The year turns in silence.January 6–10: Ice thickens on still water.January 11–15: Shortest shadows lengthen.January 16–20: Pheasants begin to call.January 21–25: Springs begin to thaw.January 26–31: Chickadees announce dawn.February 1–5: East wind softens the frost.February 6–10: Sap begins to rise.February 11–15: First snowdrops appear.February 16–20: Red-winged blackbirds return.February 21–25: Rain begins to replace snow.February 26–28: Skunk cabbage pushes through ice.March 1–5: Ice withdraws from the reservoir.March 6–10: Crocuses open to weak sun.March 11–15: Peepers call from the marsh.March 16–20: Woodcocks spiral at dusk.March 21–25: Equinox — light overtakes dark.March 26–31: Forsythia opens along the fences.April 1–5: Cherry blossoms drift like snow.April 6–10: Warblers appear in the understory.April 11–15: Magnolias bloom and fall in a day.April 16–20: Dogwoods float above the forest.April 21–25: Lilacs perfume the evening.April 26–30: Last frost releases the garden.May 1–5: Warblers flood the Ramble.May 6–10: Tulip poplars light their candles.May 11–15: Shad run up the rivers.May 16–20: Roses open along the stoops.May 21–25: Firefly scouts appear at dusk.May 26–31: Strawberries ripen in the sun.June 1–5: Fireflies rise from the lawn.June 6–10: Elderflowers open in hedgerows.June 11–15: Solstice approaches — longest light.June 16–20: Honeysuckle sweetens the night.June 21–25: Solstice — the sun stands still.June 26–30: Lightning bugs drift through oaks.July 1–5: Cicadas claim the afternoon.July 6–10: Queen Anne's lace lines the roads.July 11–15: Thunder builds each afternoon.July 16–20: Corn reaches for the tassels.July 21–25: Dog days settle in the haze.July 26–31: Katydids begin their chorus.August 1–5: Night falls a minute earlier.August 6–10: Sunflowers face the morning.August 11–15: Goldenrod begins to bloom.August 16–20: Crickets pulse through warm nights.August 21–25: First cool morning surprises.August 26–31: Monarchs stage for flight.September 1–5: School buses reappear.September 6–10: Asters purple the roadsides.September 11–15: Hawk migration over the Hudson.September 16–20: Equinox — dark overtakes light.September 21–25: Apples hang heavy on the branch.September 26–30: Geese begin to chevron south.October 1–5: Witch hazel blooms as others fade.October 6–10: Maples begin to blaze.October 11–15: Frost paints the garden black.October 16–20: Oaks turn bronze and russet.October 21–25: Leaves rattle down the gutters.October 26–31: Clocks fall back — dusk at five.November 1–5: Ginkgos drop overnight.November 6–10: Last leaves cling stubbornly.November 11–15: Juncos arrive from the north.November 16–20: Bare branches reveal the sky.November 21–25: First flurries dust the rooftops.November 26–30: Woodsmoke curls through the block.December 1–5: Darkness settles before dinner.December 6–10: Holly and winterberry persist.December 11–15: Shortest day approaches.December 16–20: Ice begins to form at the edges.December 21–25: Solstice — the sun begins return.December 26–31: The year turns in silence.🌱February 14 — First skunk-cabbage spathes thaw their way up☀️March 20 — Spring equinox — day and night balance🌸April 5 — Cherry blossoms peak in the parks🐦May 10 — Warbler migration peaks along the coast✨May 25 — First fireflies scout the meadows at dusk🌞June 21 — Summer solstice — longest day🦗July 25 — Peak cicada chorus in the afternoons🌊August 18 — Warmest sea-surface temperatures of the year🍂September 22 — Autumn equinox — the slow turn❄️October 25 — First widespread frost in the suburbs🍁November 10 — Peak leaf color across the Hudson Valley🌙December 21 — Winter solstice — longest night

Microseason · August 1–5

Night falls a minute earlier

Sunset retreats perceptibly — daylight shortening speeds up.

Day 214 of 365 · Wedge 43 of 72

The solar year drawn as a wheel of 72 five-day windows. Each wedge is one microseason; the four colored arcs mark winter, spring, summer, and autumn; the small icons sit at notable phenological events. The crimson pointer creeps clockwise as the year turns.

Planting calendar

MonthPlantHarvest
January——
February——
March——
April——
Maylettuce, peas, spinach, radisheslettuce, peas, radishes
Junelettuce, peas, spinach, radishes, tomatoes, peppers, beans, squashlettuce, peas, radishes
Julytomatoes, peppers, beans, squashtomatoes, beans, summer squash
Augusttomatoes, peppers, beans, squash, fall brassicas, garlic (overwinter), carrotstomatoes, beans, summer squash
Septemberfall brassicas, garlic (overwinter), carrotstomatoes, beans, summer squash
October—winter squash, tomatoes (last)
November——
December——

A year in weather

Grand Rapids peaks at about 74°F in July and bottoms near 23°F in January; June brings the heaviest rain (3.8 inches) and February the least (2.0 inches).

MonthMean tempPrecipRainy days
January23°2.0″20
February24°2.0″16
March34°2.7″18
April47°3.5″17
May57°3.6″17
June68°3.8″16
July74°3.1″14
August73°3.1″14
September65°3.4″14
October53°3.1″14
November39°3.2″17
December28°2.6″21

Regional context

Drawing on NOAA NCEI 1991-2020 normals, Grand Rapids's January averages 23°F and July 74°F — 51°F apart — while precipitation totals roughly 36.2 inches over some 198 days.

Rainfall in Grand Rapids stays even across the calendar: June tops out at 3.8 inches over 15.7 rainy days, and February still logs 2.0 inches across 16.4 — a narrow range for Grand Rapids. That even rhythm groups Grand Rapids with places like East Grand Rapids, MI, Walker, MI and Wyoming, MI.

By late-May the frosts ease in Grand Rapids, opening the season for kale, peas, spinach, and parsnips. Warm-soil crops in Grand Rapids wait about two weeks past Grand Rapids's last frost, once the soil warms. It shuts near early-October, when freezes return to Grand Rapids and tender plants need cover. Within Grand Rapids, cold-air pooling chills low spots by 5-10°F, shifting Grand Rapids's local frost dates.

Similar climates: East Grand Rapids, MI, Walker, MI, Wyoming, MI, Comstock Park, MI, Kentwood, MI.

Naturalist notes

By late May, American robins have typically completed their second broods across Grand Rapids neighborhoods.

Common lilacs finish their peak bloom period in early June, marking the transition into full summer.

Frequently asked

When does it freeze in Grand Rapids?
Grand Rapids's last spring frost lands near mid-May, and in Grand Rapids the first fall frost follows around mid-October.
What is the rainy season in Grand Rapids?
June is the wettest month in Grand Rapids, about 3.8 inches on average; the year totals roughly 36 inches.
What is the warmest month in Grand Rapids?
Grand Rapids peaks in July, when the mean runs near 74°F.
What is the coldest month in Grand Rapids?
January is Grand Rapids's coldest month, averaging about 23°F.
When can I start a vegetable garden in Grand Rapids?
In Grand Rapids, sow peas and hardy greens around mid-May; Grand Rapids's tomatoes and peppers wait two weeks more.
How many rainy days does Grand Rapids get?
Grand Rapids records around 198 days of measurable precipitation annually.
What hardiness zone is Grand Rapids?
With January around 23°F, Grand Rapids's zone reflects that minimum — the USDA ZIP map confirms Grand Rapids's band.
What is the 10-day forecast for Grand Rapids?
Grand Rapids's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
Will it rain this week in Grand Rapids?
See this week's day-by-day rain chances for Grand Rapids in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Grand Rapids?
Current conditions for Grand Rapids and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Grand Rapids forecast updated?
The Grand Rapids forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Grand Rapids?
Today's sunrise and sunset times for Grand Rapids are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
How accurate is the weather forecast for Grand Rapids?
The next few days in Grand Rapids's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

The warm-summer humid continental climate of Grand Rapids, Michigan carries typical Januarys near 23°F and Julys around 74°F — 51°F of seasonal travel.

Across the year, Grand Rapids collects about 36 inches of precipitation over roughly 198 days with measurable rain or snow.

Grand Rapids sits at 43.0°N; that 51°F seasonal swing frames planting windows and frost dates across Grand Rapids.

All cities in Michigan →

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ZIP codes in Grand Rapids

  • 49546
  • 49506
  • 49505
  • 49503
  • 49507
  • 49504
  • 49508
  • 49501
  • 49502
  • 49514
  • 49515
  • 49523
  • 49555
  • 49588
  • 49599

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.