Weather in San Dimas, CA
Updated 2026-08-11 09:00 local time · ZIP codes 91773
Partly cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
73°3% rain
82°1% rain91°1% rain95°1% rain93°0% rain99°1% rain97°1% rain96°1% rain92°1% rain87°1% rain82°2% rain
77°4% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 4%).
It feels like 77°F with winds near 4 mph.
73°F, 3% rain chance and 4 mph wind.
Visibility is around 10 mi; gusts may reach 12 mph.
Current temperature is 73°F, wind 4 mph, rain chance up to 4%.
UV index is 3.
San Dimas weather today
Partly cloudy and 73°F in San Dimas, CA. Today's high is 99°F with a 2% rain chance. Winds are around 4 mph with gusts near 5 mph. Relative humidity is 65%, pressure is 30.00 inHg, and visibility is about 10 miles.
Tonight and tomorrow in San Dimas
Sunrise is at 06:09 AM and sunset is at 07:43 PM. Tomorrow's forecast calls for Sunny with a high near 83°F and a low near 68°F. The maximum rain chance is 3%.