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

87°F

31°C

Humidity 18%
Wind Speed SSW 4 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Heat Index84°F (29°C)
Last update 27 Mar 01:00 PM PDT
Extended Forecast for

5 Miles S Fontana CA

  • Tonight

    Tonight: Partly cloudy, with a low around 61. West wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 90. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 90 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 90. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 90 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 60. West wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 25 mph.

    Low: 60 °F

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 72.

    High: 72 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 61. West wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.
Saturday
Mostly sunny, with a high near 90. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 65. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Sunday
Mostly sunny, with a high near 90. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Increasing clouds, with a low around 60. West wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 25 mph.
Monday
Partly sunny, with a high near 81.
Monday Night
Mostly cloudy, with a low around 57.
Tuesday
Mostly cloudy, with a high near 72.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 54.
Wednesday
A slight chance of showers before 11am. Partly sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Fontana CA
 34.03°N 117.47°W (Elev. 1624 ft)
Last Update:
12:36 pm PDT Mar 27, 2026
Forecast Valid:
3pm PDT Mar 27, 2026-6pm PDT Apr 3, 2026
 
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Additional Resources

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