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

Lafayette, Indiana Weather

Dusk arrives one minute earlier each night. Day 43 of summer. Read this microseason across nine climate regions →

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

Lafayette, IN
Sunday, August 2 at 10:58 AM
67
°
Drizzle
Feels like
69°
Humidity
91%
Wind
7 mph
Sunrise
2:46 AM
Sunset
5:01 PM
Lafayette, IN
Hour by hour · 24h
24-Hour ForecastLafayette, IN: 24-hour forecast. Temperatures range from 63 to 77 degrees Fahrenheit.
L 63°H 77°
Lafayette, IN
7-day forecast
  1. Today
    Aug 2
    Light Showers
    38%
    0.17″
    77°66°—
  2. Monday
    Aug 3
    Clear
    —
    —
    81°63°+4°
  3. Tuesday
    Aug 4
    Mostly Clear
    —
    —
    80°61°-1°
  4. Wednesday
    Aug 5
    Overcast
    —
    —
    82°63°+2°
  5. Thursday
    Aug 6
    T-storm w/ Hail
    48%
    —
    82°66°0°
  6. Friday
    Aug 7
    Thunderstorm
    31%
    —
    84°64°+2°
  7. Saturday
    Aug 8
    Drizzle
    25%
    —
    88°74°+4°
Lafayette, IN
Next 24 hours · Mild now
60°70°80°12p6p12a6anow 67°high 77°low 63°PRECIP %
Lafayette, IN
Anemometer · 24h winds · from true
NESW
From · True
NNE
022° · backing 90°
Direction
NNE
022°
Sustained
7
mph
Gust
21
mph
Peak 24h
32
avg 9 mph
Beaufort · 2 · LIGHT 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 9 mph · pk 32 mph @ 1:00a
0102030MPHB1B2B3B4B5B6-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 246SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 90° from the nne.
Lafayette, IN
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
984.9
+1.7 mb in 3h · rising · 29.08 inHg
Now
984.9
mb
3h
+1.7
mb
12h
+3.4
mb
24h
+2.5
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 980–985
975980985990-21h-18h-15h-12h-9h-6h-3h-24hNOW983.9979.5983.9
The low is filling — pressure climbing out of storm territory.
Lafayette, IN
Air quality
33
AQI
Good
→-2 in 6h

AQI 33 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points).

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

PM 2.5Good
3.5μg/m³
PM 10Good
4μg/m³
NO₂Good
3μg/m³
OzoneDRIVERGood
57μg/m³
UV IndexLow
1.4

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/m³300
Lafayette, IN
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow
Visibility
17.9mi
UNLIMITED
38 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
14:58 UTC · Lafayette, IN · 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
14:58 UTC · Lafayette, IN · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Lafayette, IN
Satellite · infrared · animated
Lafayette, IN
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Lafayette, IN
Almanac · Sunday, August 2
Red sky at night, sailor's delight.
Civil dawn
6:16 AM
Sunrise
2:46 AM
Daylight
14h 15m
Sunset
5:01 PM
Civil dusk
9:33 PM
Planting note
Sow fall peas. Start kale and collard seedlings for fall.
Lafayette, IN
The moon
Waning Gibbous
84% illuminated
Moonrise
10:31 PM
Moonset
10:52 AM
In sign
♓︎ Pisces
Lafayette, IN
Microseason
Aug 1–5

Dusk arrives one minute earlier each night

celestial
Jan 159% of the yearDec 31

Read this microseason across nine climate regions →

Lafayette at a glance

  • Today vs. normal: 5°F above the seasonal normal for this latitude
  • Last frost: April 18 (climatological average for this latitude)
  • Microseason: Aug 1–5
  • Planting window: Sow fall peas. Start kale and collard seedlings for fall.

ZIP codes: 47901, 47904, 47905, 47909

16-Day Forecast — Lafayette

  1. Sun77°66°38%
  2. Mon81°63°0%
  3. Tue80°61°0%
  4. Wed82°63°6%
  5. Thu82°66°48%
  6. Fri84°64°31%
  7. Sat88°74°25%
  8. Sun89°74°17%
  9. Mon88°70°19%
  10. Tue81°69°22%
  11. Wed87°71°25%
  12. Thu89°71°32%
  13. Fri89°74°39%
  14. Sat83°74°29%
  15. Sun81°64°31%
  16. Mon83°70°20%

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

Live wind & temperature near Lafayette

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.

SPC Convective Outlook

Storm Prediction Center — Lafayette

SPC includes Lafayette in the general thunderstorm area today — no severe risk, but storms are possible.

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3NONENo severe risk

Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.

Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.

Sun & seasons in Lafayette

Lafayette sits in Tippecanoe County, where the year’s longest day runs 15h 4m of daylight and its shortest just 9h 17m — a swing of +5h 47m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.

Indianapolis, the state’s largest city, lies about 57 miles to the SE. The nearest town Lafayette tracks is Tipton, roughly 44 miles to the E.

Air quality in Lafayette’s county has trended cleaner since 2020; its cleanest year on record was 2024 (median AQI 35). See the full air-quality history for Lafayette.

January 1–5: Frost quiets the live oaks.January 6–10: Still water thickens with ice.January 11–15: Springs begin to move beneath ice.January 16–20: Cardinal dawn calls grow bolder.January 21–25: Late January thaw pulses.January 26–31: Last freeze locks the land.February 1–5: February's lengthening light.February 6–10: Warming winds thaw the margin.February 11–15: Magnolia blooms break the gray.February 16–20: Mockingbirds resume the dawn chorus.February 21–25: Rain replaces the last snow.February 26–28: Mist clings to greening valleys.March 1–5: The green pulse awakens.March 6–10: Hibernators emerge to call.March 11–15: Dogwood and redbud ignite.March 16–20: Swallowtails emerge from winter silk.March 21–25: Light crowns the dogwood canopy.March 26–31: Redbud cascades over the thaw.April 1–5: Thunder announces the wet season.April 6–10: Barn swallows carve the warming sky.April 11–15: Magnolia blooms and falls in a breath.April 16–20: First rainbows arch over thunderheads.April 21–25: Reeds push through marsh water.April 26–30: Frost retreats; seedlings rise free.May 1–5: Warblers flood the canopy in waves.May 6–10: Tulip poplar lights the forest crown.May 11–15: Shad pulse upstream through rapids.May 16–20: Roses open on the Piedmont edge.May 21–25: Fireflies scout the humid dusk.May 26–31: Frog choruses rise from every wetland.June 1–5: Fireflies pulse through the magnolias.June 6–10: Kudzu climbs deeper into green.June 11–15: Sun climbs to its northern throne.June 16–20: Heat settles and the rain begins.June 21–25: The longest day turns toward shadow.June 26–30: Fireflies drift through Spanish moss.July 1–5: Cicadas claim the scorching afternoon.July 6–10: Thunderheads boil and break at dusk.July 11–15: Thunder builds each drowsy afternoon.July 16–20: Cicadas claim the long noon.July 21–25: Dog days drape the earth in haze.July 26–31: Katydids begin their rasping chorus.August 1–5: Dusk arrives one minute earlier each night.August 6–10: Meteorological summer's turning page.August 11–15: Cool winds gather at the margins.August 16–20: Dog-day cicadas rise.August 21–25: Heat breaks in creek beds.August 26–31: Monarchs gather strength.September 1–5: Harvests begin in earnest.September 6–10: Dew beads on resurrection fern.September 11–15: Raptors trail the thermals.September 16–20: Day and dark find balance.September 21–25: Thunder quiets the land.September 26–30: Insects retreat below.October 1–5: Swamp waters recede.October 6–10: Maples ignite the ridge.October 11–15: Asters crown the meadows.October 16–20: Crickets sing at dusk.October 21–25: Frost paints the garden.October 26–31: Light rains whisper down.November 1–5: Sweetgum Turns Crimson.November 6–10: Camellia Blooms Break Through.November 11–15: Earth Stiffens Underfoot.November 16–20: Bare Limbs Hold the Light.November 21–25: First Frost Grips the High Ground.November 26–30: North Wind Strips the Last Leaves.December 1–5: Darkness Falls Before Dinner.December 6–10: Winter Locks the Land.December 11–15: Wildlife Retreats to Shelter.December 16–20: Ice Edges Deepen Inward.December 21–25: The Sun Begins its 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

Dusk arrives one minute earlier each night

Sunset slides back toward 8 PM; darkness creeps in, signaling summer's decline though heat persists.

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——
Aprillettuce, peas, spinach, radishes—
Maylettuce, peas, spinach, radishes, tomatoes, peppers, beans, squashlettuce, peas, radishes
Junetomatoes, peppers, beans, squashlettuce, peas, radishes
Julytomatoes, peppers, beans, squashtomatoes, beans, summer squash
August—tomatoes, beans, summer squash
Septemberfall brassicas, garlic (overwinter), carrotstomatoes, beans, summer squash
Octoberfall brassicas, garlic (overwinter), carrotswinter squash, tomatoes (last)
November——
December——

A year in weather

The year in Lafayette tops out in July (~74°F) and dips lowest in January (~26°F), with June wettest at 4.6 inches and February driest at 1.8 inches.

MonthMean tempPrecipRainy days
January26°2.2″5
February30°1.8″4
March40°2.7″6
April51°3.8″7
May62°4.0″8
June71°4.6″8
July74°4.1″7
August72°3.1″6
September66°2.6″5
October54°2.9″6
November41°2.9″6
December31°2.3″5

Regional context

By the nearest station's NOAA NCEI 1991-2020 normals, Lafayette sees 26°F Januarys and 74°F Julys, a 48°F range, plus around 37 inches of precipitation across 72 days.

Summer convection drives Lafayette's precipitation: June logs 4.6 inches on 7.8 rainy days, against February's 1.8 inches on 4.3 — warm-season storms carry Lafayette's moisture. It is a warm-season-wet pattern Lafayette shares with places like West Lafayette, IN, Dayton, IN and Shadeland, IN.

The cool-season window in Lafayette starts at mid-April, when nights stop freezing — think kale, peas, spinach, and parsnips. Warm-soil crops in Lafayette wait about two weeks past Lafayette's last frost, once the soil warms. Around mid-November, freezing nights resume in Lafayette and tender crops must come in. Within Lafayette, cold-air pooling chills low spots by 5-10°F, shifting Lafayette's local frost dates.

Similar climates: West Lafayette, IN, Dayton, IN, Shadeland, IN, Battle Ground, IN, Buck Creek, IN.

Naturalist notes

Red-winged blackbirds return to Lafayette's wetlands in March, with males arriving first to establish territories in the cattail marshes.

Sugar maples begin their spring bloom in April, releasing clouds of yellow-green pollen just as their leaves start to unfurl.

Frequently asked

When does it freeze in Lafayette?
In Lafayette, expect the last spring frost near mid-April; Lafayette's first autumn frost comes around mid-November.
What is the rainy season in Lafayette?
Rainfall in Lafayette peaks in June near 4.6 inches, out of about 37 inches annually.
What is the warmest month in Lafayette?
July is Lafayette's warmest month, averaging about 74°F.
What is the coldest month in Lafayette?
Lafayette bottoms out in January, with a mean near 26°F.
When can I start a vegetable garden in Lafayette?
Lafayette's last frost (mid-April) cues hardy greens; in Lafayette, hold heat-lovers two weeks past.
How many rainy days does Lafayette get?
Expect roughly 72 wet days a year in Lafayette.
What hardiness zone is Lafayette?
Lafayette's USDA zone comes from its January mean (26°F); enter the ZIP on the USDA lookup for the number.
What is the 10-day forecast for Lafayette?
Lafayette'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 Lafayette?
See this week's day-by-day rain chances for Lafayette in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Lafayette?
Current conditions for Lafayette and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Lafayette forecast updated?
The Lafayette forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Lafayette?
Today's sunrise and sunset times for Lafayette 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 Lafayette?
The next few days in Lafayette's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

Lafayette's humid subtropical climate in Indiana pairs 26°F Januarys with 74°F Julys, 48°F apart across the seasons.

In a typical year Lafayette records about 37 inches of precipitation on around 72 days.

At 40.4°N, Lafayette's 48°F summer-to-winter swing sets when Lafayette's gardens wake and when frost returns.

All cities in Indiana →

Indianapolis, IN weather →

ZIP codes in Lafayette

  • 47909
  • 47905
  • 47904
  • 47901
  • 47902
  • 47903

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.