Sunnyvale, California Weather Forecast

Santa Clara County 37.38°N, 122.03°W Pop. 152,703

Today in Sunnyvale: clear skies with a high near 77°F and a low around 52°F. Rain chance 0%. No day tops a 20% rain chance through Tuesday. Highs run 67 to 86°F through Tuesday.

Forecast updated 7:05 AM PDT, Oct 14

Active Weather Alerts

7-Day Forecast for Sunnyvale

Today 10/14
Clear sky
77°/52°
0%
Thu 10/15
Clear sky
82°/54°
0%
Fri 10/16
Clear sky
86°/57°
0%
Sat 10/17
Clear sky
84°/61°
0%
Sun 10/18
Clear sky
74°/56°
0%
Mon 10/19
Mostly sunny
67°/52°
11%
Tue 10/20
Slight rain showers
67°/52°
18%
Hourly charts, 15-day outlook and more for Sunnyvale in Local Wx →

Next 24 Hours

Now10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PM9 PM10 PM11 PMThu12 AM1 AM2 AM3 AM4 AM5 AM6 AM7 AM8 AM
SkyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyMostly sunnyMostly sunny
Temp59°63°68°72°75°76°77°77°76°72°67°64°62°61°60°58°58°57°56°56°55°54°54°55°
Rain0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%
WindE 1ENE 1N 2N 3NNW 4NNW 6NNW 7NNW 8NNW 8NNW 6NNW 4NW 2WNW 1W 1WSW 0S 0S 1ESE 0W 1WNW 2WNW 2W 2WSW 2W 2

Growing Conditions

Growing degree days
3,367
since Apr 1, base 50°F
Rain, last 30 days
0.00 in
model analysis
Rain, year to date
13.76 in
since Jan 1
2-inch soil temperature
62°F
yesterday, daily average
Reference ET, last 7 days
0.92 in
FAO-56 grass reference
Through Oct 13. Season totals use model analysis for this point and update every morning. Soil, ET and spray tools for Sunnyvale →

Current Stats & Observations

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NWS Forecast

About Sunnyvale Weather

Sunnyvale sits at about 66 feet above sea level in Santa Clara County, California. About 152,703 people live in the Sunnyvale area. Official forecasts and warnings for the area come from the National Weather Service MTR office, and the nearest NEXRAD radar site is KMUX. The city is in USDA plant hardiness zone 10a, where the coldest winter night typically falls between 30 to 35°F. Freezing temperatures are rare here.