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May 13th, 2026 :: 9:57 am PDT   

Local Weather Report for
Rialto
California, United States

 Rialto Weather Forecast Summary  
 
Today
May 13th
Thursday
May 14th
Friday
May 15th
Saturday
May 16th
Sunday
May 17th
Mostly Sunny Sunny Sunny Mostly Sunny Mostly Sunny
72°F
74°F
50°F
74°F
52°F
73°F
51°F
68°F
49°F
 
 Rialto Detailed Weather Forecast  
 
Wednesday, May 13th, 2026
Morning Temperature: 61°F
Sunny.
Afternoon Temperature: 72°F
Sunny. Windy at times.
Evening Temperature: 56°F
Clear.
Thursday, May 14th, 2026
Overnight Temperature: 51°F
Clear.
Morning Temperature: 63°F
Sunny.
Afternoon Temperature: 73°F
Sunny. Windy at times.
Evening Temperature: 57°F
Clear.
Friday, May 15th, 2026
Overnight Temperature: 53°F
Clear.
Morning Temperature: 63°F
Sunny.
Afternoon Temperature: 73°F
Sunny. Windy at times.
Evening Temperature: 57°F
Clear.
Saturday, May 16th, 2026
Overnight Temperature: 52°F
Clear.
Morning Temperature: 63°F
Sunny. Windy at times.
Afternoon Temperature: 72°F
Mostly sunny. Windy at times.
Evening Temperature: 56°F
Mostly clear.
Sunday, May 17th, 2026
Overnight Temperature: 49°F
Mostly clear.
Morning Temperature: 56°F
Sunny.
Afternoon Temperature: 67°F
Sunny. Windy at times.
Evening Temperature: 53°F
Mostly clear.
Monday, May 18th, 2026
Overnight Temperature: 50°F
Clear.
Morning Temperature: 68°F
Sunny.
Afternoon Temperature: 79°F
Sunny. Windy at times.
Evening Temperature: 60°F
Clear.
Tuesday, May 19th, 2026
Overnight Temperature: 57°F
Clear.
Morning Temperature: 76°F
Mostly sunny.
Afternoon Temperature: 82°F
Mostly sunny. Windy at times.
Evening Temperature: 63°F
Mostly clear.
Wednesday, May 20th, 2026
Overnight Temperature: 58°F
Mostly clear.
Morning Temperature: 75°F
Mostly sunny.
Afternoon Temperature: 80°F
Mostly sunny. Windy at times.
Evening Temperature: 61°F
Mostly clear.
Thursday, May 21st, 2026
Overnight Temperature: 59°F
Mostly clear.
Morning Temperature: 69°F
Mostly sunny.
Afternoon Temperature: 76°F
Mostly sunny. Windy at times.
Evening Temperature: 57°F
Clear.





 

  [ Local Weather Report ]
Colton, CA 
8:55 AM  64°F
Overcast haze
 
Fontana, CA 
 
San Bernardino, CA 
8:55 AM  64°F
Overcast haze
 
Grand Terrace, CA 
8:55 AM  64°F
Overcast haze
 
Loma Linda, CA 
8:55 AM  64°F
Overcast haze
 
Highland, CA 
8:55 AM  64°F
Overcast haze
 
Redlands, CA 
 
Ontario, CA 
8:53 AM  63°F
Overcast
 
Rancho Cucamonga, CA 
8:53 AM  63°F
Overcast
 
Moreno Valley, CA 
8:55 AM  63°F
Overcast

 
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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