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

45°F

7°C

Humidity 87%
Wind Speed SW 1 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 20 Feb 01:00 AM PST
Extended Forecast for

4 Miles SSW Fontana CA

  • Overnight

    Overnight: Patchy dense fog after 4am. Otherwise, partly cloudy, with a low around 37. South wind around 5 mph becoming calm.

    Low: 37 °F

    Patchy Dense
    Fog

  • Friday

    Friday: Patchy dense fog before 10am. Otherwise, mostly sunny, with a high near 57. Calm wind becoming east around 5 mph.

    High: 57 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 38. West wind around 5 mph becoming calm.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 66. East wind around 5 mph becoming southeast in the afternoon.

    High: 66 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46. Northwest wind around 5 mph becoming calm in the evening.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy dense fog after 4am. Otherwise, partly cloudy, with a low around 37. South wind around 5 mph becoming calm.
Friday
Patchy dense fog before 10am. Otherwise, mostly sunny, with a high near 57. Calm wind becoming east around 5 mph.
Friday Night
Mostly clear, with a low around 38. West wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 66. East wind around 5 mph becoming southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 46. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 55.
Wednesday
A slight chance of showers. Partly sunny, with a high near 74.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 54.
Thursday
Partly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Fontana CA
 34.05°N 117.47°W (Elev. 951 ft)
Last Update:
6:11 pm PST Feb 19, 2026
Forecast Valid:
2am PST Feb 20, 2026-6pm PST Feb 26, 2026
 
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Additional Resources

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