Weather in Rialto, CA
Updated 2026-08-11 09:00 local time · ZIP codes 92376, 92377
Partly cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
75°1% rain
85°1% rain95°0% rain99°0% rain102°0% rain103°0% rain102°0% rain99°0% rain96°1% rain92°1% rain86°1% rain
80°2% 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 2%).
It feels like 77°F with winds near 4 mph.
75°F, 1% rain chance and 4 mph wind.
Visibility is around 7 mi; gusts may reach 12 mph.
Current temperature is 75°F, wind 4 mph, rain chance up to 2%.
UV index is 3.
Rialto weather today
Partly cloudy and 75°F in Rialto, CA. Today's high is 103°F with a 1% rain chance. Winds are around 4 mph with gusts near 4 mph. Relative humidity is 54%, pressure is 30.02 inHg, and visibility is about 7 miles.
Tonight and tomorrow in Rialto
Sunrise is at 06:08 AM and sunset is at 07:41 PM. Tomorrow's forecast calls for Sunny with a high near 86°F and a low near 65°F. The maximum rain chance is 2%.