Weather in Sunnyvale, CA
Updated 2026-09-26 05:45 local time · ZIP codes 94085, 94086, 94087, 94089

Clear
No government weather alerts were returned for this location at the latest update.
Next hours
53°5% rain
52°4% rain
55°3% rain
62°4% rain
68°1% rain
74°1% rain
78°6% rain
81°9% rain
82°2% rain
83°9% rain
80°9% rain
77°9% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Key weather changes ahead
Today vs yesterday in Sunnyvale
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 9%).
It feels like 50°F with winds near 2 mph.
68°F, 1% rain chance and 1 mph wind.
Visibility is around 6 mi; gusts may reach 14 mph.
Current temperature is 53°F, wind 2 mph, rain chance up to 9%.
UV index is 0.
Local weather characteristics in Sunnyvale
California weather varies from cool marine conditions along parts of the Pacific coast to hot inland valleys, deserts and snowy mountain climates. Short distances can produce large temperature differences.
Sunnyvale is part of the West weather region. The forecast point is near 37.37°N latitude and 122.04°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Sunnyvale weather today
Clear and 53°F in Sunnyvale, CA. Today's high is 83°F with a 5% rain chance. Winds are around 2 mph with gusts near 13 mph. Relative humidity is 64%, pressure is 29.92 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Sunnyvale
Sunrise is at 06:59 AM and sunset is at 06:59 PM. Tomorrow's forecast calls for Sunny with a high near 74°F and a low near 51°F. The maximum rain chance is 6%.