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

65°F

18°C

Humidity 72%
Wind Speed SW 2 MPH
Barometer NA
Dewpoint 56°F (13°C)
Visibility NA
Last update 07 Apr 11:00 PM PDT
Extended Forecast for

4 Miles SSW Fontana CA

  • Overnight

    Overnight: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. Light southwest wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. Southwest wind 5 to 10 mph becoming light west in the evening. Winds could gust as high as 20 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 81. Light south wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56. West wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.

    Low: 56 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm. Mostly cloudy, with a high near 67.

    High: 67 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers, mainly after 11pm. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 57. Calm wind.
Wednesday
Sunny, with a high near 84. Light southwest wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 57. Southwest wind 5 to 10 mph becoming light west in the evening. Winds could gust as high as 20 mph.
Thursday
Mostly sunny, with a high near 81. Light south wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 56. West wind 5 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 77.
Friday Night
A chance of showers, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Saturday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 67.
Saturday Night
A chance of showers, mainly after 11pm. Mostly cloudy, with a low around 52.
Sunday
A chance of showers. Partly sunny, with a high near 65.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 49.
Monday
Mostly sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Fontana CA
 34.05°N 117.47°W (Elev. 951 ft)
Last Update:
1:11 am PDT Apr 8, 2026
Forecast Valid:
2am PDT Apr 8, 2026-6pm PDT Apr 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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