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

63°F

17°C

Humidity 80%
Wind Speed S 1 MPH
Barometer NA
Dewpoint 57°F (14°C)
Visibility NA
Last update 02 May 10:00 AM PDT
Extended Forecast for

3 Miles ESE Rancho Cucamonga CA

  • Today

    Today: Mostly sunny, with a high near 83. West wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 83 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 59. Southwest wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 59 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 76. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 76 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 55. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 55 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 67. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 67 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 83. West wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 59. Southwest wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.
Sunday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 76. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 55. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday
Partly sunny, with a high near 67. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Clear, with a low around 57.
Thursday
Sunny, with a high near 89.
Thursday Night
Clear, with a low around 62.
Friday
Sunny, with a high near 93.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Rancho Cucamonga CA
 34.11°N 117.54°W (Elev. 1161 ft)
Last Update:
11:39 pm PDT May 1, 2026
Forecast Valid:
11am PDT May 2, 2026-6pm PDT May 8, 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