National Weather Service Forecast for: Rialto CA
Issued by: National Weather Service San Diego, CA
Updated: 8:54 pm PDT Jul 5, 2025
 
Tonight

Tonight: Clear, with a low around 62. Southwest wind around 5 mph becoming calm.
Clear
Sunday

Sunday: Sunny, with a high near 93. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Sunny
Sunday
Night
Sunday Night: Clear, with a low around 61. Southwest wind 5 to 10 mph becoming light  in the evening.
Clear
Monday

Monday: Sunny, with a high near 93. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Sunny
Monday
Night
Monday Night: Mostly clear, with a low around 63. Southwest wind 5 to 10 mph becoming light  in the evening.
Mostly Clear
Tuesday

Tuesday: Sunny, with a high near 97.
Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 69.
Mostly Clear
Wednesday

Wednesday: Sunny, with a high near 102.
Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 70.
Mostly Clear
Lo 62 °F Hi 93 °F Lo 61 °F Hi 93 °F Lo 63 °F Hi 97 °F Lo 69 °F Hi 102 °F Lo 70 °F

 

Tonight
 
Clear, with a low around 62. Southwest wind around 5 mph becoming calm.
Sunday
 
Sunny, with a high near 93. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Sunday Night
 
Clear, with a low around 61. Southwest wind 5 to 10 mph becoming light in the evening.
Monday
 
Sunny, with a high near 93. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Monday Night
 
Mostly clear, with a low around 63. Southwest wind 5 to 10 mph becoming light in the evening.
Tuesday
 
Sunny, with a high near 97.
Tuesday Night
 
Mostly clear, with a low around 69.
Wednesday
 
Sunny, with a high near 102.
Wednesday Night
 
Mostly clear, with a low around 70.
Thursday
 
Sunny, with a high near 104.
Thursday Night
 
Clear, with a low around 69.
Friday
 
Sunny, with a high near 100.
Friday Night
 
Mostly clear, with a low around 67.
Saturday
 
Sunny, with a high near 95.

 

Forecast from NOAA-NWS for Rialto CA.