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

59°F

15°C

Humidity 87%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 56°F (13°C)
Visibility NA
Last update 13 Nov 06:00 PM PST
Extended Forecast for

3 Miles E Rancho Cucamonga CA

  • Tonight

    Tonight: Showers, mainly after 10pm. Low around 54. South wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 54 °F

    Showers

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 66. Calm wind becoming southeast around 5 mph.

    High: 66 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51. Calm wind becoming northeast around 5 mph.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 70. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 70 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Cloudy

  • Monday

    Monday: Showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 67. Chance of precipitation is 60%.

    High: 67 °F

    Mostly Sunny
    then Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm, then showers after 10pm. Low around 51. Chance of precipitation is 80%.

    Low: 51 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 62.

    High: 62 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers, mainly after 10pm. Low around 54. South wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 66. Calm wind becoming southeast around 5 mph.
Saturday Night
Mostly clear, with a low around 51. Calm wind becoming northeast around 5 mph.
Sunday
Sunny, with a high near 70. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 53. Calm wind.
Monday
Showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 67. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm, then showers after 10pm. Low around 51. Chance of precipitation is 80%.
Tuesday
A chance of showers, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 62.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 63.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 48.
Thursday
A chance of showers. Partly sunny, with a high near 62.
Thursday Night
A chance of showers. Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 63.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Rancho Cucamonga CA
 34.11°N 117.51°W (Elev. 1198 ft)
Last Update:
12:19 pm PST Nov 13, 2026
Forecast Valid:
7pm PST Nov 13, 2026-6pm PST Nov 20, 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