Brentwood, California Weather Forecast

Contra Costa County 37.94°N, 121.72°W Pop. 64,474

Today in Brentwood: mostly sunny with a high near 70°F and a low around 55°F. Rain chance 5%. No day tops a 20% rain chance through Thursday. Highs run 68 to 75°F through Thursday.

Forecast updated 1:05 AM PDT, Oct 23

Active Weather Alerts

7-Day Forecast for Brentwood

Today 10/23
Mostly sunny
70°55°
Sat 10/24
Clear sky
73°51°
Sun 10/25
Clear sky
75°51°
Mon 10/26
Clear sky
72°52°
Tue 10/27
Clear sky
70°49°
Wed 10/28
Mostly sunny
69°50°
Thu 10/29
Mostly sunny
68°50°
Hourly charts, 15-day outlook and more for Brentwood in Local Wx →

Next 24 Hours

Now1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PM9 PM10 PM11 PMSat12 AM1 AM2 AM3 AM4 AM5 AM6 AM7 AM8 AM9 AM10 AM11 AM
SkyPartly cloudyPartly cloudyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear sky
Temp63°65°68°69°70°70°67°62°61°60°59°59°58°57°56°55°55°54°52°51°51°56°60°62°
Rain0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%
WindNNW 8NNW 9NNW 10NNW 10NNW 10NNW 9NNW 6NW 4WNW 3WNW 3W 3WNW 4WNW 4WNW 4WNW 4WNW 4WNW 3NW 3WNW 3WNW 3WNW 3NNW 4NNW 5NNW 5

Growing Conditions

Growing degree days
4,008
since Apr 1, base 50°F
Rain, last 30 days
0.12 in
model analysis
Rain, year to date
12.83 in
since Jan 1
2-inch soil temperature
63°F
yesterday, daily average
Reference ET, last 7 days
0.88 in
FAO-56 grass reference
Through Oct 22. Season totals use model analysis for this point and update every morning. Soil, ET and spray tools for Brentwood →

Current Stats & Observations

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NWS Forecast

About Brentwood Weather

Brentwood sits at about 89 feet above sea level in Contra Costa County, California. About 64,474 people live in the Brentwood area. Official forecasts and warnings for the area come from the National Weather Service MTR office, and the nearest NEXRAD radar site is KDAX. The city is in USDA plant hardiness zone 9b, where the coldest winter night typically falls between 25 to 30°F. Freezing temperatures are rare here.