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

67°F

19°C

Humidity 26%
Wind Speed N 4 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 08 Feb 02:00 AM PST
Extended Forecast for

3 Miles ESE Rancho Cucamonga CA

  • Overnight

    Overnight: Clear, with a low around 55. North wind around 5 mph.

    Low: 55 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 82. Calm wind becoming west around 5 mph.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. Calm wind becoming north around 5 mph.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 70.

    High: 70 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly before 4am. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.

    Low: 51 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, mainly after 10am. Mostly cloudy, with a high near 65.

    High: 65 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers before 4am. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Clear, with a low around 55. North wind around 5 mph.
Sunday
Sunny, with a high near 82. Calm wind becoming west around 5 mph.
Sunday Night
Mostly clear, with a low around 56. Calm wind becoming north around 5 mph.
Monday
Mostly sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 54. Calm wind.
Tuesday
Mostly cloudy, with a high near 70.
Tuesday Night
A chance of showers, mainly before 4am. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.
Wednesday
A chance of showers, mainly after 10am. Mostly cloudy, with a high near 65.
Wednesday Night
A slight chance of showers before 4am. Mostly cloudy, with a low around 47.
Thursday
A slight chance of showers after 10am. Mostly sunny, with a high near 68.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 47.
Friday
Sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 47.
Saturday
A slight chance of showers. Mostly sunny, with a high near 65.
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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:
1:01 am PST Feb 8, 2026
Forecast Valid:
3am PST Feb 8, 2026-6pm PST Feb 14, 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