Current conditions at

Fontana-Arrow Highway (CQ057)

Lat: 34.10056°NLon: 117.49222°WElev: 1191.0ft.

NA

53°F

12°C

Humidity 100%
Wind Speed SE 1 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 31 Dec 06:00 PM PST
Extended Forecast for

3 Miles ESE Rancho Cucamonga CA

Flood Watch December 31, 10:00pm until January 1, 10:00pm
Click here for hazard details and duration
Flood Watch
  • Tonight

    Tonight: Showers, with thunderstorms also possible after 10pm. Some of the storms could produce heavy rainfall.  Low around 53. Northeast wind around 5 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 53 °F

    Heavy Rain

  • New Year's Day

    New Year's Day: Showers and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms after 4pm. Some of the storms could produce heavy rainfall.  High near 62. Calm wind becoming south around 5 mph in the morning.  Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 62 °F

    Heavy Rain

  • Thursday Night

    Thursday Night: A chance of showers, mainly before 10pm.  Mostly cloudy, with a low around 50. Calm wind.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance
    Showers

  • Friday

    Friday: Mostly cloudy, with a high near 65. Calm wind becoming southeast around 5 mph.

    High: 65 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A slight chance of showers after 10pm.  Mostly cloudy, with a low around 52. Calm wind.  Chance of precipitation is 20%.

    Low: 52 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers.  Cloudy, with a high near 64. Chance of precipitation is 40%.

    High: 64 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely.  Mostly cloudy, with a low around 52. Chance of precipitation is 70%.

    Low: 52 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely. The rain could be heavy at times.  Mostly cloudy, with a high near 63.

    High: 63 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers likely, mainly before 10pm. The rain could be heavy at times.  Mostly cloudy, with a low around 51.

    Low: 51 °F

    Heavy Rain

Detailed Forecast

Tonight
Showers, with thunderstorms also possible after 10pm. Some of the storms could produce heavy rainfall. Low around 53. Northeast wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
New Year's Day
Showers and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms after 4pm. Some of the storms could produce heavy rainfall. High near 62. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Thursday Night
A chance of showers, mainly before 10pm. Mostly cloudy, with a low around 50. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly cloudy, with a high near 65. Calm wind becoming southeast around 5 mph.
Friday Night
A slight chance of showers after 10pm. Mostly cloudy, with a low around 52. Calm wind. Chance of precipitation is 20%.
Saturday
A chance of showers. Cloudy, with a high near 64. Chance of precipitation is 40%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.
Sunday
Showers likely. The rain could be heavy at times. Mostly cloudy, with a high near 63.
Sunday Night
Showers likely, mainly before 10pm. The rain could be heavy at times. Mostly cloudy, with a low around 51.
Monday
A chance of showers. Partly sunny, with a high near 62.
Monday Night
A chance of showers. Mostly cloudy, with a low around 49.
Tuesday
A chance of showers. Partly sunny, with a high near 62.
Tuesday Night
A chance of showers. The rain could be heavy at times. Mostly cloudy, with a low around 46.
Wednesday
A chance of showers. Partly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Rancho Cucamonga CA
 34.11°N 117.54°W (Elev. 1161 ft)
7:13 pm PST Dec 31, 2025
7pm PST Dec 31, 2025-6pm PST Jan 7, 2026
 
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Additional Resources

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Hourly Weather Forecast

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