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

Fontana-Arrow Highway (CQ057)

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

NA

78°F

26°C

Humidity 14%
Wind Speed SW 2 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Heat Index77°F (25°C)
Last update 05 Apr 11:00 AM PDT
Extended Forecast for

Fontana CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 86. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 59. Southwest wind 10 to 15 mph becoming light west in the evening. Winds could gust as high as 20 mph.

    Low: 59 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 82. Light southwest wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 82 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. Southwest wind 10 to 15 mph becoming light west in the evening. Winds could gust as high as 20 mph.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Light west wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 58.

    Low: 58 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 86. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 59. Southwest wind 10 to 15 mph becoming light west in the evening. Winds could gust as high as 20 mph.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 82. Light southwest wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Monday Night
Mostly clear, with a low around 56. Southwest wind 10 to 15 mph becoming light west in the evening. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 82. Light west wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Increasing clouds, with a low around 58.
Thursday
Partly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 56.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 74.
Friday Night
A chance of showers. Mostly cloudy, with a low around 54.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fontana CA
 34.12°N 117.46°W (Elev. 1381 ft)
Last Update:
11:31 am PDT Apr 5, 2026
Forecast Valid:
2pm PDT Apr 5, 2026-6pm PDT Apr 11, 2026
 
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Additional Resources

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