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

57°F

14°C

Humidity 100%
Wind Speed SSW 2 MPH
Barometer NA
Dewpoint 57°F (14°C)
Visibility NA
Last update 14 Nov 03:00 AM PST
Extended Forecast for

3 Miles E Rancho Cucamonga CA

  • Overnight

    Overnight: A slight chance of showers. Mostly cloudy, with a low around 54. South wind around 5 mph. Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers before 10am. Mostly sunny, with a high near 67. Calm wind becoming southeast around 5 mph. Chance of precipitation is 20%.

    High: 67 °F

    Slight Chance
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52. North wind around 5 mph becoming northeast in the evening.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 70. Northeast wind around 5 mph becoming calm in the morning.

    High: 70 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 54 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers after 4pm. Partly sunny, with a high near 67. Chance of precipitation is 30%.

    High: 67 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, mainly between 10pm and 4am. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.

    Low: 52 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers before 10am. Mostly sunny, with a high near 63.

    High: 63 °F

    Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

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

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of showers. Mostly cloudy, with a low around 54. South wind around 5 mph. Chance of precipitation is 20%.
Saturday
A slight chance of showers before 10am. Mostly sunny, with a high near 67. Calm wind becoming southeast around 5 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 52. North wind around 5 mph becoming northeast in the evening.
Sunday
Mostly sunny, with a high near 70. Northeast wind around 5 mph becoming calm in the morning.
Sunday Night
Mostly cloudy, with a low around 54. Calm wind.
Monday
A chance of showers after 4pm. Partly sunny, with a high near 67. Chance of precipitation is 30%.
Monday Night
Showers likely, mainly between 10pm and 4am. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.
Tuesday
A chance of showers before 10am. Mostly sunny, with a high near 63.
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
Showers likely. Mostly cloudy, with a high near 61.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 46.
Friday
A slight chance of showers. Mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Rancho Cucamonga CA
 34.11°N 117.51°W (Elev. 1198 ft)
Last Update:
12:32 am PST Nov 14, 2026
Forecast Valid:
4am PST Nov 14, 2026-6pm PST Nov 20, 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