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June 20th, 2026 :: 1:38 pm PDT   

Local Weather Report for
Rialto
California, United States

 Rialto Weather Forecast Summary  
 
Today
Jun 20th
Sunday
Jun 21st
Monday
Jun 22nd
Tuesday
Jun 23rd
Wednesday
Jun 24th
Mostly Sunny Sunny Sunny Sunny Mostly Sunny
77°F
81°F
50°F
87°F
53°F
91°F
60°F
89°F
64°F
 
 Rialto Detailed Weather Forecast  
 
Saturday, June 20th, 2026
Afternoon Temperature: 76°F
Sunny. Windy at times.
Evening Temperature: 56°F
Clear.
Sunday, June 21st, 2026
Overnight Temperature: 51°F
Clear.
Morning Temperature: 68°F
Sunny.
Afternoon Temperature: 80°F
Sunny. Windy at times.
Evening Temperature: 59°F
Clear.
Monday, June 22nd, 2026
Overnight Temperature: 54°F
Clear.
Morning Temperature: 74°F
Sunny.
Afternoon Temperature: 85°F
Sunny. Windy at times.
Evening Temperature: 63°F
Clear.
Tuesday, June 23rd, 2026
Overnight Temperature: 61°F
Clear.
Morning Temperature: 79°F
Sunny.
Afternoon Temperature: 90°F
Sunny. Windy at times.
Evening Temperature: 70°F
Clear.
Wednesday, June 24th, 2026
Overnight Temperature: 65°F
Clear.
Morning Temperature: 81°F
Sunny with cloudy periods.
Afternoon Temperature: 88°F
Sunny. Windy at times.
Evening Temperature: 70°F
Mostly clear with a slight chance of showers.
Thursday, June 25th, 2026
Overnight Temperature: 64°F
Clear.
Morning Temperature: 77°F
Sunny.
Afternoon Temperature: 86°F
Sunny. Windy at times.
Evening Temperature: 67°F
Clear.
Friday, June 26th, 2026
Overnight Temperature: 58°F
Clear.
Morning Temperature: 75°F
Sunny.
Afternoon Temperature: 85°F
Sunny. Windy at times.
Evening Temperature: 62°F
Clear.
Saturday, June 27th, 2026
Overnight Temperature: 57°F
Clear.
Morning Temperature: 75°F
Sunny.
Afternoon Temperature: 85°F
Sunny. Windy at times.
Evening Temperature: 62°F
Clear.
Sunday, June 28th, 2026
Overnight Temperature: 57°F
Clear.
Morning Temperature: 72°F
Sunny.
Afternoon Temperature: 83°F
Sunny. Windy at times.
Evening Temperature: 61°F
Clear.





 

  [ Local Weather Report ]
Colton, CA 
12:53 PM  81°F
 
 
Fontana, CA 
 
San Bernardino, CA 
12:53 PM  81°F
 
 
Grand Terrace, CA 
12:53 PM  81°F
 
 
Loma Linda, CA 
12:53 PM  81°F
 
 
Highland, CA 
12:53 PM  81°F
 
 
Redlands, CA 
 
Ontario, CA 
12:53 PM  77°F
 
 
Rancho Cucamonga, CA 
12:53 PM  77°F
 
 
Moreno Valley, CA 
12:55 PM  79°F
Mostly Sunny

 
This WeatherCity Weather Forecast for Rialto, California, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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