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

56°F

13°C

Humidity 94%
Wind Speed WSW 4 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility NA
Last update 12 Oct 08:00 AM PDT
Extended Forecast for

4 Miles N Fontana CA

  • Columbus Day

    Columbus Day: Showers likely, mainly before 11am. Mostly cloudy, with a high near 62. South wind around 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 62 °F

    Showers
    Likely

  • Tonight

    Tonight: A chance of showers before 11pm. Partly cloudy, with a low around 49. South wind around 5 mph becoming north after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 70. Light and variable wind becoming northeast 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 70 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 52. North wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.

    Low: 52 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. North wind 5 to 10 mph.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 56. Breezy.

    Low: 56 °F

    Clear and
    Breezy

  • Thursday

    Thursday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 61. Windy.

    Low: 61 °F

    Clear and
    Windy

  • Friday

    Friday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

Columbus Day
Showers likely, mainly before 11am. Mostly cloudy, with a high near 62. South wind around 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
A chance of showers before 11pm. Partly cloudy, with a low around 49. South wind around 5 mph becoming north after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Sunny, with a high near 70. Light and variable wind becoming northeast 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Clear, with a low around 52. North wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.
Wednesday
Sunny, with a high near 77. North wind 5 to 10 mph.
Wednesday Night
Clear, with a low around 56. Breezy.
Thursday
Sunny, with a high near 83.
Thursday Night
Clear, with a low around 61. Windy.
Friday
Sunny, with a high near 83.
Friday Night
Clear, with a low around 62. Breezy.
Saturday
Sunny, with a high near 83.
Saturday Night
Clear, with a low around 60. Breezy.
Sunday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Fontana CA
 34.14°N 117.46°W (Elev. 1490 ft)
Last Update:
12:44 am PDT Oct 12, 2026
Forecast Valid:
9am PDT Oct 12, 2026-6pm PDT Oct 18, 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