Weather in San Dimas, CA
Updated 2026-09-26 09:45 local time · ZIP codes 91773
Partly Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
75°6% rain
83°1% rain86°1% rain88°1% rain90°1% rain91°1% rain90°0% rain
89°9% rain86°9% rain
83°5% rain
82°10% rain81°10% 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 10%).
It feels like 77°F with winds near 3 mph.
79°F, 2% rain chance and 2 mph wind.
Visibility is around 6 mi; gusts may reach 21 mph.
Current temperature is 75°F, wind 3 mph, rain chance up to 10%.
UV index is 2.
Local weather characteristics in San Dimas
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 Dimas is part of the West weather region. The forecast point is near 34.11°N latitude and 117.81°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 Dimas weather today
Partly Cloudy and 75°F in San Dimas, CA. Today's high is 91°F with a 5% rain chance. Winds are around 3 mph with gusts near 14 mph. Relative humidity is 59%, pressure is 29.89 inHg, and visibility is about 6 miles.
Tonight and tomorrow in San Dimas
Sunrise is at 06:42 AM and sunset is at 06:42 PM. Tomorrow's forecast calls for Overcast with a high near 86°F and a low near 73°F. The maximum rain chance is 5%.