Weather in San Ramon, CA
Updated 2026-09-26 07:00 local time · ZIP codes 94582, 94583
Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
53°26% rain
54°16% rain
59°7% rain65°7% rain69°2% rain73°1% rain75°1% rain
75°9% rain75°9% rain74°9% rain71°1% rain68°2% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 26%).
It feels like 51°F with winds near 3 mph.
71°F, 1% rain chance and 6 mph wind.
Visibility is around 6 mi; gusts may reach 14 mph.
Current temperature is 53°F, wind 3 mph, rain chance up to 26%.
UV index is 0.
Local weather characteristics in San Ramon
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.
San Ramon is part of the West weather region. The forecast point is near 37.78°N latitude and 121.98°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.
San Ramon weather today
Cloudy and 53°F in San Ramon, CA. Today's high is 75°F with a 9% rain chance. Winds are around 3 mph with gusts near 14 mph. Relative humidity is 91%, pressure is 29.92 inHg, and visibility is about 6 miles.
Tonight and tomorrow in San Ramon
Sunrise is at 06:59 AM and sunset is at 06:59 PM. Tomorrow's forecast calls for Overcast with a high near 66°F and a low near 52°F. The maximum rain chance is 14%.