National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Fontana-Arrow Highway (CQ057)

Lat: 34.10056°NLon: 117.49222°WElev: 1191.0ft.

NA

83°F

28°C

Humidity 37%
Wind Speed S 2 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Heat Index82°F (28°C)
Last update 07 Oct 10:00 PM PDT
Extended Forecast for

3 Miles SSE Fontana CA

Extreme Heat Warning October 7, 11:14pm until October 8, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning October 7, 11:14pm until October 8, 08:00pm

    NOW until 8:00pm Thu

    Extreme Heat Warning

  • Tonight

    Low: 70 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 99. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 99 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 68. Southwest wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 94. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 94 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65. Southwest wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 11pm. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers. Partly sunny, with a high near 76.

    High: 76 °F

    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 70. Calm wind.
Thursday
Sunny, with a high near 99. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 68. Southwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 94. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 65. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
A chance of showers after 11pm. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 76.
Sunday Night
Showers likely. Mostly cloudy, with a low around 54. Breezy.
Columbus Day
Showers likely. Mostly cloudy, with a high near 69.
Monday Night
A chance of showers. Mostly cloudy, with a low around 51.
Tuesday
A chance of showers. Partly sunny, with a high near 71.
Tuesday Night
A slight chance of showers. Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Fontana CA
 34.05°N 117.45°W (Elev. 1047 ft)
Last Update:
2:00 pm PDT Oct 7, 2026
Forecast Valid:
11pm PDT Oct 7, 2026-6pm PDT Oct 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation