Current conditions at

Fontana-Arrow Highway (CQ057)

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

NA

78°F

26°C

Humidity 69%
Wind Speed NE 1 MPH
Barometer NA
Dewpoint 67°F (19°C)
Visibility NA
Heat Index80°F (27°C)
Last update 09 Sep 06:00 AM PDT
Extended Forecast for

2 Miles SSE Fontana CA

Heat Advisory September 9, 08:00pm until September 10, 08:00pm
Extreme Heat Warning September 9, 07:39am until September 9, 08:00pm
Click here for hazard details and duration
Heat Advisory
Extreme Heat Warning
  •  
    Extreme Heat Warning September 9, 07:39am until September 9, 08:00pm

    NOW until 8:00pm Wed

    Extreme Heat Warning

  • Today

    High: 106 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 78. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 78 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 102. Heat index values as high as 110. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 102 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 74. West wind 5 to 10 mph becoming light southwest  in the evening.

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 96. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 96 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 63.

    Low: 63 °F

    Clear

Detailed Forecast

Today
Sunny, with a high near 106. Heat index values as high as 113. Light and variable wind becoming north 5 to 10 mph in the morning.
Tonight
Partly cloudy, with a low around 78. Southeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 102. Heat index values as high as 110. 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 74. West wind 5 to 10 mph becoming light southwest in the evening.
Friday
Sunny, with a high near 96. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 68.
Saturday
Sunny, with a high near 90.
Saturday Night
Clear, with a low around 63.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 62.
Monday
Sunny, with a high near 88.
Monday Night
Clear, with a low around 60.
Tuesday
Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Fontana CA
 34.07°N 117.45°W (Elev. 1132 ft)
1:36 am PDT Sep 9, 2026
7am PDT Sep 9, 2026-6pm PDT Sep 15, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database