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

Garden Grove, California Weather

August begins in scorching stillness. Day 43 of summer. Read this microseason across nine climate regions →

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

Garden Grove, CA
Sunday, August 2 at 8:00 AM
71
°
Overcast
Feels like
77°
Humidity
87%
Wind
1 mph
Sunrise
11:04 PM
Sunset
12:51 PM
Garden Grove, CA
Hour by hour · 24h
24-Hour ForecastGarden Grove, CA: 24-hour forecast. Temperatures range from 67 to 85 degrees Fahrenheit.
L 67°H 85°
Garden Grove, CA
7-day forecast
  1. Today
    Aug 2
    Foggy
    —
    —
    85°69°—
  2. Monday
    Aug 3
    Overcast
    —
    —
    83°67°-2°
  3. Tuesday
    Aug 4
    Overcast
    —
    —
    83°67°0°
  4. Wednesday
    Aug 5
    Clear
    —
    —
    83°72°0°
  5. Thursday
    Aug 6
    Clear
    —
    —
    81°71°-2°
  6. Friday
    Aug 7
    Clear
    —
    —
    82°73°+1°
  7. Saturday
    Aug 8
    Clear
    —
    —
    83°73°+1°
Garden Grove, CA
Next 24 hours · Mild now
HOT 90°62°76°90°12p6p12a6anow 71°high 85°low 67°
Garden Grove, CA
Anemometer · 24h winds · from true
NESW
From · True
WNW
297° · veering 110°
Direction
WNW
297°
Sustained
1
mph
Gust
3
mph
Peak 24h
9
avg 4 mph
Beaufort · 1 · LIGHT AIR
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 4 mph · pk 9 mph @ 5:00p
010MPHB1B2B3B4-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 103SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Garden Grove, CA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1008.6
+0.6 mb in 3h · rising · 29.78 inHg
Now
1008.6
mb
3h
+0.6
mb
12h
+1.2
mb
24h
-2.4
mb
Regime · RAIN
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 1007–1011
1000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR-21h-18h-15h-12h-9h-6h-3h-24hNOW1011.01007.01008.6
Damp, unsettled regime — wet weather lingers nearby.
Garden Grove, CA
Air quality
51
AQI
Moderate
→-2 in 6h

AQI 51 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 9.9 µg/m³ (AQI 52) with a 0.64 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in stagnant air, not road dust.

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

PM 2.5DRIVERGood
9.9μg/m³
PM 10Good
16μg/m³
NO₂Good
7μg/m³
OzoneGood
57μg/m³
UV IndexLow
1.1

What's driving it

PM × Wind × Precip

PM2.5 at 9.9 µg/m³ (AQI 52) with a 0.64 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in stagnant air, not road dust.

PM2.5/PM10
0.64
Wind
calm
Recent rain
0h in last 6h
Pattern
stagnant smoke

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
Garden Grove, CA
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow
Visibility
28.7mi
UNLIMITED
73 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
15:00 UTC · Garden Grove, CA · 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
15:00 UTC · Garden Grove, CA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Garden Grove, CA
Satellite · infrared · animated
Garden Grove, CA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Garden Grove, CA
Almanac · Sunday, August 2
Red sky at night, sailor's delight.
Civil dawn
5:38 AM
Sunrise
11:04 PM
Daylight
13h 47m
Sunset
12:51 PM
Civil dusk
8:20 PM
Planting note
Sow fall peas. Start kale and collard seedlings for fall.
Garden Grove, CA
The moon
Waning Gibbous
84% illuminated
Moonrise
9:36 PM
Moonset
10:01 AM
In sign
♓︎ Pisces
Garden Grove, CA
Microseason
Aug 1–5

August begins in scorching stillness

plant
Jan 159% of the yearDec 31

Read this microseason across nine climate regions →

Garden Grove at a glance

  • Today vs. normal: 71°F — typical for the season
  • Last frost: March 10 (climatological average for this latitude)
  • Microseason: Aug 1–5
  • Planting window: Sow fall peas. Start kale and collard seedlings for fall.

ZIP codes: 92840, 92841, 92843, 92844, 92845

16-Day Forecast — Garden Grove

  1. Sun85°69°0%
  2. Mon83°67°1%
  3. Tue83°67°0%
  4. Wed83°72°0%
  5. Thu81°71°0%
  6. Fri82°73°1%
  7. Sat83°73°0%
  8. Sun83°73°1%
  9. Mon82°73°2%
  10. Tue80°72°0%
  11. Wed79°71°0%
  12. Thu82°70°6%
  13. Fri82°71°10%
  14. Sat80°72°5%
  15. Sun84°70°6%
  16. Mon81°71°3%

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

Live wind & temperature near Garden Grove

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 Garden Grove

Garden Grove sits in Orange County, where the year’s longest day runs 14h 24m of daylight and its shortest just 9h 54m — a swing of +4h 30m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.

Los Angeles, the state’s largest city, lies about 35 miles to the NW. The nearest town Garden Grove tracks is Santa Ana, roughly 5 miles to the ESE.

Air quality in Garden Grove’s county has held roughly steady since 2020; its cleanest year on record was 2023 (median AQI 52). See the full air-quality history for Garden Grove.

January 1–5: New year in coastal mist.January 6–10: Hills hold the winter cold.January 11–15: Light lengthens over wet earth.January 16–20: The green pulse quickens.January 21–25: Spring green spreads inland.January 26–31: Winter's grip releases.February 1–5: Fog lifts, flowers open.February 6–10: Blooms erupt across chaparral.February 11–15: Winter blooms at their peak.February 16–20: Rivers recede, flowers spread.February 21–25: Earth warms, flowers rush upslope.February 26–28: Spring advances on cool winds.March 1–5: Grass and trees bud and break.March 6–10: Insects wake and feed.March 11–15: Blossoms crown the hillsides.March 16–20: Monarch chrysalis emergence.March 21–25: Light overtakes dark at equinox.March 26–31: California poppy ablaze.April 1–5: Spring rain feeds the seedlings.April 6–10: Warblers flood the understory.April 11–15: Allen's hummingbirds in courtship dives.April 16–20: Coastal fog settles; sun breaks midday.April 21–25: Oak canopies full and green.April 26–30: Chaparral awakens after spring rains.May 1–5: Coastal wildflowers at their peak.May 6–10: Gray whales complete their migration north.May 11–15: Redwood coast in cool shade.May 16–20: Fog and sun in daily rhythm.May 21–25: Summer approaches; hills turn gold.May 26–31: Dry season begins; tule fog in valleys.June 1–5: Coastal fog thickens at dawn.June 6–10: California poppies fade as heat rises.June 11–15: Summer solstice light stretched thin.June 16–20: Bay laurel fragrance sweetens shade.June 21–25: Longest daylight, driest air.June 26–30: Fog banks mask the turning tide.July 1–5: Summer heat deepens across the valleys.July 6–10: Warm winds drive dryness inland.July 11–15: Pacific high settles in firmly.July 16–20: Young hawks take to the thermals.July 21–25: Peak fire season, peak heat.July 26–31: Chaparral poised for ignition.August 1–5: August begins in scorching stillness.August 6–10: Autumn's first cool breath arrives.August 11–15: Cool winds signal the turning year.August 16–20: Evening cicada chorus.August 21–25: Marine layer descent.August 26–31: Monarch staging begins.September 1–5: Fire season intensity.September 6–10: Dew on drying grasses.September 11–15: Raptor passage begins.September 16–20: Equinox descent.September 21–25: Ceanothus blooms again.September 26–30: Insects retreat below.October 1–5: Creeks begin to whisper.October 6–10: Santa Ana wind season.October 11–15: Wildflower anticipation.October 16–20: Chaparral embers glow.October 21–25: First atmospheric river looms.October 26–31: Rains return at last.November 1–5: Coast live oak leaves turn amber.November 6–10: California lilac blooms in winter light.November 11–15: First rain greens the chaparral.November 16–20: Coastal fog thickens as storms approach.November 21–25: Thanksgiving rains swell the valleys.November 26–30: Autumn's last breath yields to winter.December 1–5: December arrives, storms accelerate.December 6–10: Winter solstice season intensifies.December 11–15: Deep winter: rivers at flood stage.December 16–20: Winter salmon runs peak in northern rivers.December 21–25: Winter solstice: the sun turns.December 26–31: Year's end in wind and rain.🌱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

August begins in scorching stillness

Calm days dominate early August; temperatures peak; the entire ecosystem is in survival mode.

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——
Marchlettuce, peas, spinach, radishes—
Aprillettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash—
Maytomatoes, peppers, beans, squashlettuce, peas, radishes
Junetomatoes, peppers, beans, squashlettuce, peas, radishes
July—tomatoes, beans, summer squash
August—tomatoes, beans, summer squash
September—tomatoes, beans, summer squash
Octoberfall brassicas, garlic (overwinter), carrotswinter squash, tomatoes (last)
Novemberfall brassicas, garlic (overwinter), carrots—
December——

A year in weather

Garden Grove's warmest month is August (~73°F mean) and its coldest is January (~54°F). Rainfall peaks in February (2.5 inches) and bottoms out in August (0.0 inches).

MonthMean tempPrecipRainy days
January54°2.3″9
February56°2.5″8
March58°2.0″9
April61°0.9″7
May64°0.3″4
June68°0.0″2
July72°0.1″1
August73°0.0″0
September72°0.0″2
October68°0.3″3
November60°1.1″6
December54°1.8″7

Regional context

Garden Grove swings from 54°F in January to 72°F in July (18°F) per NOAA NCEI 1991-2020 normals; precipitation in Garden Grove runs about 11.3 inches on roughly 57 measurable days.

Precipitation in Garden Grove peaks in the cool season: February averages 2.5 inches across 7.6 storm-fed days, while August bottoms out at 0.0 inches over just 0.2 rainy days. It is a winter-storm rhythm Garden Grove shares with places like Stanton, CA, Westminster, CA and Midway City, CA.

Hard freezes are rare in Garden Grove: the coldest month averages 54°F, so Garden Grove's growing window runs most of the year. August is the hottest stretch near 73°F, pushing cool-season crops to the milder shoulder months. Garden Grove's coastal lots stay 4-7°F milder overnight than Garden Grove's inland parcels.

Similar climates: Stanton, CA, Westminster, CA, Midway City, CA, Fountain Valley, CA, Cypress, CA.

Naturalist notes

Late May brings the peak blooming period for California poppies across local hillsides and open spaces.

House finches begin their second nesting cycle in early June as temperatures stabilize.

Frequently asked

When does it freeze in Garden Grove?
Garden Grove's last spring frost lands near mid-March, and in Garden Grove the first fall frost follows around mid-December.
What is the rainy season in Garden Grove?
Garden Grove sees its heaviest rain in February (around 2.5 inches), part of roughly 11 inches a year.
What is the warmest month in Garden Grove?
The warmest stretch in Garden Grove comes in August, around 73°F on average.
What is the coldest month in Garden Grove?
On average January is the chilliest month in Garden Grove, about 54°F.
When can I start a vegetable garden in Garden Grove?
Frost-hardy sowings begin at mid-March in Garden Grove; warm-season starts follow two weeks on.
How many rainy days does Garden Grove get?
Expect roughly 57 wet days a year in Garden Grove.
What hardiness zone is Garden Grove?
Garden Grove sits in the USDA zone set by January lows near 54°F; the USDA ZIP tool gives the band.
What is the 10-day forecast for Garden Grove?
Garden Grove'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 Garden Grove?
See this week's day-by-day rain chances for Garden Grove in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Garden Grove?
Current conditions for Garden Grove and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Garden Grove forecast updated?
The Garden Grove forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Garden Grove?
Today's sunrise and sunset times for Garden Grove 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 Garden Grove?
The next few days in Garden Grove's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

Garden Grove, California occupies a hot-summer Mediterranean zone, with January means near 54°F and July around 72°F — a 18°F swing.

Garden Grove sees close to 11 inches of precipitation annually, falling across some 57 wet days.

Latitude 33.8°N gives Garden Grove its 18°F swing, and with it the rhythm of Garden Grove's growing season.

All cities in California →

Riverside, CA weather →

ZIP codes in Garden Grove

  • 92843
  • 92840
  • 92841
  • 92844
  • 92845
  • 92842
  • 92846

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.