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

92°F

33°C

Humidity 33%
Wind Speed SW 2 MPH
Barometer NA
Dewpoint 59°F (15°C)
Visibility NA
Heat Index91°F (33°C)
Last update 27 Jul 12:00 PM PDT
Extended Forecast for

5 Miles SSE Fontana CA

Heat Advisory July 27, 01:44pm until July 27, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 27, 01:44pm until July 27, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • This Afternoon

    High: 98 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 70. West wind 5 to 10 mph becoming light southwest after midnight. Winds could gust as high as 20 mph.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 97. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 97 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 69. West wind 5 to 10 mph becoming light southwest after midnight. Winds could gust as high as 20 mph.

    Low: 69 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 67.

    Low: 67 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 98.

    High: 98 °F

    Sunny

  • Thursday Night

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

    Low: 68 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 98. West wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 70. West wind 5 to 10 mph becoming light southwest after midnight. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 97. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Clear, with a low around 69. West wind 5 to 10 mph becoming light southwest after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 95. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Clear, with a low around 67.
Thursday
Sunny, with a high near 98.
Thursday Night
Mostly clear, with a low around 68.
Friday
Sunny, with a high near 103.
Friday Night
Mostly clear, with a low around 70.
Saturday
Sunny, with a high near 106.
Saturday Night
Clear, with a low around 71.
Sunday
Sunny, with a high near 105.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Fontana CA
 34.03°N 117.41°W (Elev. 984 ft)
Last Update:
12:52 pm PDT Jul 27, 2026
Forecast Valid:
1pm PDT Jul 27, 2026-6pm PDT Aug 2, 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