National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Fontana-Arrow Highway (CQ057)

Lat: 34.10056°NLon: 117.49222°WElev: 1191.0ft.

NA

59°F

15°C

Humidity 20%
Wind Speed NNE 14 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Last update 29 Dec 04:00 AM PST
Extended Forecast for

Fontana CA

Wind Advisory December 29, 05:43am until December 30, 01:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory December 29, 05:43am until December 30, 01:00pm

    NOW until 1:00pm Tue

    Wind Advisory

  • Today

    High: 65 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Partly cloudy, with a low around 50. Windy, with a north wind 25 to 30 mph, with gusts as high as 45 mph.

    Low: 50 °F

    Partly Cloudy
    and Windy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 69. Breezy, with a north wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 69 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 4am. Mostly cloudy, with a low around 54. North wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly after 10am. Mostly cloudy, with a high near 65. Northeast wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 65 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers. The rain could be heavy at times. Low around 53. Chance of precipitation is 90%.

    Low: 53 °F

    Heavy Rain

  • New Year's Day

    New Year's Day: Showers. The rain could be heavy at times. High near 62. Chance of precipitation is 90%.

    High: 62 °F

    Heavy Rain

  • Thursday Night

    Thursday Night: Showers likely, mainly before 4am. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 65. Windy, with a north wind 30 to 35 mph, with gusts as high as 55 mph.
Tonight
Partly cloudy, with a low around 50. Windy, with a north wind 25 to 30 mph, with gusts as high as 45 mph.
Tuesday
Mostly cloudy, with a high near 69. Breezy, with a north wind 20 to 25 mph, with gusts as high as 35 mph.
Tuesday Night
A chance of showers, mainly after 4am. Mostly cloudy, with a low around 54. North wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Wednesday
Showers likely, mainly after 10am. Mostly cloudy, with a high near 65. Northeast wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Showers. The rain could be heavy at times. Low around 53. Chance of precipitation is 90%.
New Year's Day
Showers. The rain could be heavy at times. High near 62. Chance of precipitation is 90%.
Thursday Night
Showers likely, mainly before 4am. Mostly cloudy, with a low around 54.
Friday
Showers likely, mainly after 10am. Mostly cloudy, with a high near 64.
Friday Night
Showers likely. Mostly cloudy, with a low around 53.
Saturday
Showers likely. Mostly cloudy, with a high near 63.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 50.
Sunday
A chance of showers. Partly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fontana CA
 34.12°N 117.46°W (Elev. 1381 ft)
Last Update:
12:13 am PST Dec 29, 2025
Forecast Valid:
5am PST Dec 29, 2025-6pm PST Jan 4, 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