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January 23rd, 2026 :: 7:20 pm PST   

Local Weather Report for
Fontana
California, United States

 Fontana Weather Forecast Summary  
 
Today
Jan 23rd
Saturday
Jan 24th
Sunday
Jan 25th
Monday
Jan 26th
Tuesday
Jan 27th
Mostly Sunny Mostly Sunny Cloudy Cloudy Sunny
56°F
54°F
43°F
56°F
43°F
58°F
42°F
60°F
42°F
 
 Fontana Detailed Weather Forecast  
 
Friday, January 23rd, 2026
Evening Temperature: 47°F
A mix of cloudy and clear skies.
Saturday, January 24th, 2026
Overnight Temperature: 46°F
A mix of cloudy and clear skies.
Morning Temperature: 51°F
Sunny with cloudy periods.
Afternoon Temperature: 51°F
Sunny with cloudy periods with a chance of showers.
Evening Temperature: 44°F
Clear.
Sunday, January 25th, 2026
Overnight Temperature: 43°F
Cloudy.
Morning Temperature: 55°F
Cloudy.
Afternoon Temperature: 50°F
Sunny with cloudy periods.
Evening Temperature: 43°F
Clear.
Monday, January 26th, 2026
Overnight Temperature: 42°F
Cloudy.
Morning Temperature: 56°F
Cloudy.
Afternoon Temperature: 51°F
Cloudy.
Evening Temperature: 44°F
A mix of cloudy and clear skies.
Tuesday, January 27th, 2026
Overnight Temperature: 43°F
Clear.
Morning Temperature: 58°F
Sunny.
Afternoon Temperature: 54°F
Sunny.
Evening Temperature: 46°F
Clear.
Wednesday, January 28th, 2026
Overnight Temperature: 46°F
Clear.
Morning Temperature: 62°F
Cloudy.
Afternoon Temperature: 55°F
Cloudy.
Evening Temperature: 51°F
Cloudy.
Thursday, January 29th, 2026
Overnight Temperature: 47°F
Cloudy.
Morning Temperature: 61°F
Sunny.
Afternoon Temperature: 57°F
Sunny.
Evening Temperature: 49°F
Clear.
Friday, January 30th, 2026
Overnight Temperature: 47°F
Clear.
Morning Temperature: 64°F
Sunny.
Afternoon Temperature: 60°F
Sunny.
Evening Temperature: 52°F
A mix of cloudy and clear skies.
Saturday, January 31st, 2026
Overnight Temperature: 51°F
Cloudy.
Morning Temperature: 63°F
Cloudy.
Afternoon Temperature: 56°F
Cloudy. Windy at times.
Evening Temperature: 50°F
A mix of cloudy and clear skies.





 

  [ Local Weather Report ]
Rialto, CA 
 
Colton, CA 
5:55 PM  59°F
Overcast haze
 
Grand Terrace, CA 
5:55 PM  59°F
Overcast haze
 
San Bernardino, CA 
5:55 PM  59°F
Overcast haze
 
Ontario, CA 
5:53 PM  61°F
Mostly Clear
 
Rancho Cucamonga, CA 
5:53 PM  61°F
Mostly Clear
 
Loma Linda, CA 
5:55 PM  59°F
Overcast haze
 
Upland, CA 
5:55 PM  59°F
Mostly Clear
 
Chino, CA 
5:53 PM  55°F
Mostly Clear
 
Highland, CA 
5:55 PM  59°F
Overcast haze

 
This WeatherCity Weather Forecast for Fontana, 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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