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

52°F

11°C

Humidity 77%
Wind Speed N 1 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 23 Apr 04:00 AM PDT
Extended Forecast for

Fontana CA

  • Today

    Today: Sunny, with a high near 78. Light and variable wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 53. Southwest wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 76. Light and variable wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 54. Southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

    Low: 54 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A slight chance of showers. Partly sunny, with a high near 66. Southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 20%.

    High: 66 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Low: 50 °F

    Showers
    Likely

  • Sunday

    Sunday: A slight chance of showers before 11am. Partly sunny, with a high near 66. Breezy. Chance of precipitation is 20%.

    High: 66 °F

    Breezy.
    Slight Chance
    Showers then
    Mostly 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 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 78. Light and variable wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Tonight
Mostly clear, with a low around 53. Southwest wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Friday
Mostly sunny, with a high near 76. Light and variable wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Friday Night
Increasing clouds, with a low around 54. Southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Saturday
A slight chance of showers. Partly sunny, with a high near 66. Southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Saturday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Sunday
A slight chance of showers before 11am. Partly sunny, with a high near 66. Breezy. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 72.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fontana CA
 34.12°N 117.46°W (Elev. 1381 ft)
Last Update:
12:12 am PDT Apr 23, 2026
Forecast Valid:
5am PDT Apr 23, 2026-6pm PDT Apr 29, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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