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

46°F

8°C

Humidity 100%
Wind Speed N 2 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 18 Nov 06:00 AM PST
Extended Forecast for

4 Miles SSW Fontana CA

  • Today

    Today: A chance of showers, mainly after 10am. Partly sunny, with a high near 59. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Chance
    Showers

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 43. East wind around 5 mph becoming calm after midnight.

    Low: 43 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, sunny, with a high near 61. Calm wind becoming west around 5 mph in the morning.

    High: 61 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44. West wind around 5 mph becoming east after midnight.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers after 10am. Partly sunny, with a high near 59. East wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely. Mostly cloudy, with a low around 47. Chance of precipitation is 70%.

    Low: 47 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely, mainly before 10am. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.

    High: 60 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers, mainly after 10am. Partly sunny, with a high near 59. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 43. East wind around 5 mph becoming calm after midnight.
Wednesday
Patchy fog before 7am. Otherwise, sunny, with a high near 61. Calm wind becoming west around 5 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 44. West wind around 5 mph becoming east after midnight.
Thursday
A chance of showers after 10am. Partly sunny, with a high near 59. East wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers likely. Mostly cloudy, with a low around 47. Chance of precipitation is 70%.
Friday
Showers likely, mainly before 10am. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 68.
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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:
5:45 am PST Nov 18, 2025
Forecast Valid:
7am PST Nov 18, 2025-6pm PST Nov 24, 2025
 
Forecast Discussion
 
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Additional Resources

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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