Weather in Montclair, CA
Updated 2026-08-11 09:00 local time · ZIP codes 91763
Partly cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
73°2% rain
84°1% rain94°1% rain97°0% rain94°0% rain100°0% rain99°1% rain97°1% rain94°1% rain89°1% rain84°1% rain
78°3% 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 3%).
It feels like 76°F with winds near 3 mph.
73°F, 2% rain chance and 3 mph wind.
Visibility is around 10 mi; gusts may reach 13 mph.
Current temperature is 73°F, wind 3 mph, rain chance up to 3%.
UV index is 3.
Montclair weather today
Partly cloudy and 73°F in Montclair, CA. Today's high is 100°F with a 2% rain chance. Winds are around 3 mph with gusts near 4 mph. Relative humidity is 65%, pressure is 30.00 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Montclair
Sunrise is at 06:09 AM and sunset is at 07:42 PM. Tomorrow's forecast calls for Sunny with a high near 84°F and a low near 72°F. The maximum rain chance is 3%.