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September 12th, 2025 :: 5:19 am PDT   

Local Weather Report for
Fontana
California, United States

 Current Fontana Weather Conditions Updated September 12th at 3:53 am 
Mostly Clear
Temperature:17°C Dew Point:14°C
Barometer:101.4 kPa Wind:calm
Humidity:82.5% Visibility:0 Km
 
 Fontana Weather Forecast Summary  
 
Today
Sep 12th
Saturday
Sep 13th
Sunday
Sep 14th
Monday
Sep 15th
Tuesday
Sep 16th
Sunny Sunny Sunny Sunny Sunny
23°C
26°C
13°C
28°C
15°C
29°C
16°C
31°C
17°C
 
 Fontana Detailed Weather Forecast  
 
Friday, September 12th, 2025
Morning Temperature: 21°C
Sunny.
Afternoon Temperature: 19°C
Sunny. Windy at times.
Evening Temperature: 13°C
Clear.
Saturday, September 13th, 2025
Overnight Temperature: 15°C
Clear.
Morning Temperature: 24°C
Sunny. Windy at times.
Afternoon Temperature: 21°C
Sunny. Windy at times.
Evening Temperature: 16°C
Clear.
Sunday, September 14th, 2025
Overnight Temperature: 17°C
Clear.
Morning Temperature: 26°C
Sunny. Windy at times.
Afternoon Temperature: 22°C
Sunny. Windy at times.
Evening Temperature: 17°C
Clear.
Monday, September 15th, 2025
Overnight Temperature: 19°C
Clear.
Morning Temperature: 28°C
Sunny. Windy at times.
Afternoon Temperature: 24°C
Sunny. Windy at times.
Evening Temperature: 18°C
Clear.
Tuesday, September 16th, 2025
Overnight Temperature: 20°C
Clear.
Morning Temperature: 30°C
Sunny. Windy at times.
Afternoon Temperature: 25°C
Sunny. Windy at times.
Evening Temperature: 19°C
Clear.
Wednesday, September 17th, 2025
Overnight Temperature: 21°C
Clear.
Morning Temperature: 30°C
Sunny. Windy at times.
Afternoon Temperature: 26°C
Sunny. Windy at times.
Evening Temperature: 20°C
Clear.
Thursday, September 18th, 2025
Overnight Temperature: 22°C
Clear.
Morning Temperature: 31°C
Sunny. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 26°C
A mix of cloud and sun with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 21°C
Cloudy with showers likely.
Friday, September 19th, 2025
Overnight Temperature: 23°C
Clear with showers likely.
Morning Temperature: 31°C
Sunny. Slight chance of a thunderstorm.
Afternoon Temperature: 28°C
A mix of cloud and sun. Slight chance of a thunderstorm.
Evening Temperature: 23°C
Clear with cloudy periods.
Saturday, September 20th, 2025
Overnight Temperature: 23°C
Cloudy.
Morning Temperature: 31°C
Sunny with cloudy periods. Slight chance of a thunderstorm.
Afternoon Temperature: 28°C
Cloudy with a chance of showers. Slight chance of a thunderstorm.
Evening Temperature: 22°C
A mix of cloudy and clear skies.





 

  [ Local Weather Report ]
Rialto, CA 
4:00 AM  17°C
 
 
Colton, CA 
4:00 AM  17°C
 
 
Grand Terrace, CA 
4:00 AM  17°C
 
 
San Bernardino, CA 
4:00 AM  17°C
 
 
Ontario, CA 
3:53 AM  17°C
Mostly Clear
 
Rancho Cucamonga, CA 
3:53 AM  17°C
Mostly Clear
 
Loma Linda, CA 
4:00 AM  17°C
 
 
Upland, CA 
3:55 AM  17°C
Overcast
 
Chino, CA 
3:53 AM  15°C
 
 
Highland, CA 
4:00 AM  17°C
 

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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