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January 9th, 2026 :: 1:02 pm PST   

Local Weather Report for
Fontana
California, United States

 Fontana Weather Forecast Summary  
 
Today
Jan 9th
Saturday
Jan 10th
Sunday
Jan 11th
Monday
Jan 12th
Tuesday
Jan 13th
Cloudy Sunny Sunny Mix of Cloud and Sun Sunny
54°F
61°F
40°F
66°F
48°F
66°F
49°F
70°F
50°F
 
 Fontana Detailed Weather Forecast  
 
Friday, January 9th, 2026
Afternoon Temperature: 47°F
Sunny.
Evening Temperature: 41°F
Clear.
Saturday, January 10th, 2026
Overnight Temperature: 41°F
Clear.
Morning Temperature: 58°F
Sunny.
Afternoon Temperature: 51°F
Sunny.
Evening Temperature: 47°F
Clear.
Sunday, January 11th, 2026
Overnight Temperature: 48°F
Clear.
Morning Temperature: 64°F
Sunny.
Afternoon Temperature: 57°F
Sunny.
Evening Temperature: 50°F
Clear.
Monday, January 12th, 2026
Overnight Temperature: 49°F
A mix of cloudy and clear skies.
Morning Temperature: 65°F
Sunny.
Afternoon Temperature: 57°F
Sunny with cloudy periods.
Evening Temperature: 51°F
Clear.
Tuesday, January 13th, 2026
Overnight Temperature: 50°F
Clear.
Morning Temperature: 68°F
Sunny.
Afternoon Temperature: 60°F
Sunny.
Evening Temperature: 54°F
Clear.
Wednesday, January 14th, 2026
Overnight Temperature: 52°F
Clear.
Morning Temperature: 69°F
Sunny.
Afternoon Temperature: 63°F
Sunny.
Evening Temperature: 56°F
Clear.
Thursday, January 15th, 2026
Overnight Temperature: 54°F
Clear.
Morning Temperature: 70°F
Sunny.
Afternoon Temperature: 61°F
Sunny.
Evening Temperature: 53°F
Clear.
Friday, January 16th, 2026
Overnight Temperature: 50°F
Clear with cloudy periods.
Morning Temperature: 66°F
Sunny.
Afternoon Temperature: 59°F
Sunny with cloudy periods. Windy at times.
Evening Temperature: 49°F
Clear.





 

  [ Local Weather Report ]
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Grand Terrace, CA 
11:51 AM  59°F
 
 
San Bernardino, CA 
11:51 AM  59°F
 
 
Ontario, CA 
11:53 AM  61°F
Mostly Sunny
 
Rancho Cucamonga, CA 
11:53 AM  61°F
Mostly Sunny
 
Loma Linda, CA 
11:51 AM  59°F
 
 
Upland, CA 
11:55 AM  57°F
 
 
Chino, CA 
11:53 AM  63°F
Mostly Sunny
 
Highland, CA 
11:51 AM  59°F
 

 
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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