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

64°F

18°C

Humidity 44%
Wind Speed NNE 1 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 06 Apr 02:00 AM PDT
Extended Forecast for

4 Miles SSW Fontana CA

  • Overnight

    Overnight: Cloudy, with a low around 58. Calm wind becoming west around 5 mph.

    Low: 58 °F

    Cloudy

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 82. Light west wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 82 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. Southwest wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Light southwest wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56. Southwest wind 5 to 10 mph becoming light west in the evening. Winds could gust as high as 20 mph.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 58. Calm wind becoming west around 5 mph.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 82. Light west wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Monday Night
Mostly clear, with a low around 55. Southwest wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 82. Light southwest wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 56. Southwest wind 5 to 10 mph becoming light west in the evening. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Partly sunny, with a high near 79.
Thursday Night
Mostly cloudy, with a low around 56.
Friday
A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 76.
Friday Night
A chance of showers. Partly cloudy, with a low around 55.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 68.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 52.
Sunday
A slight chance of showers. Partly sunny, with a high near 69.
Basemap Options
Click map to change the forecast location
Loading map...
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:
1:53 am PDT Apr 6, 2026
Forecast Valid:
3am PDT Apr 6, 2026-6pm PDT Apr 12, 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