Current conditions at

Fontana-Arrow Highway (CQ057)

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

NA

45°F

7°C

Humidity 81%
Wind Speed SE 1 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 19 Feb 04:00 AM PST
Extended Forecast for

4 Miles SSW Fontana CA

Wind Advisory February 19, 09:00am until February 20, 02:00am
Click here for hazard details and duration
Wind Advisory
  • Overnight

    Overnight: Showers likely.  Cloudy, with a low around 39. South wind around 5 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Showers
    Likely

  • Thursday

    Thursday: Rain before 1pm, then rain and possibly a thunderstorm between 1pm and 4pm, then a chance of rain and thunderstorms after 4pm. Some of the storms could produce heavy rainfall.  High near 54. Southeast wind 5 to 10 mph becoming southwest 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 54 °F

    Heavy Rain

  • Thursday Night

    Thursday Night: A chance of rain before 7pm, then scattered showers, mainly between 7pm and 10pm.  Patchy dense fog after 4am.  Otherwise, partly cloudy, with a low around 38. Southwest wind 10 to 15 mph becoming light and variable  after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance Rain
    and Patchy
    Dense Fog

  • Friday

    Friday: Patchy dense fog before 10am.  Otherwise, mostly sunny, with a high near 56. Southeast wind around 5 mph becoming west in the afternoon.

    High: 56 °F

    Patchy Dense
    Fog then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. West wind 5 to 10 mph becoming east after midnight.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers likely. Cloudy, with a low around 39. South wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain before 1pm, then rain and possibly a thunderstorm between 1pm and 4pm, then a chance of rain and thunderstorms after 4pm. Some of the storms could produce heavy rainfall. High near 54. Southeast wind 5 to 10 mph becoming southwest 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A chance of rain before 7pm, then scattered showers, mainly between 7pm and 10pm. Patchy dense fog after 4am. Otherwise, partly cloudy, with a low around 38. Southwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Patchy dense fog before 10am. Otherwise, mostly sunny, with a high near 56. Southeast wind around 5 mph becoming west in the afternoon.
Friday Night
Mostly clear, with a low around 40. West wind 5 to 10 mph becoming east after midnight.
Saturday
Sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 55.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Fontana CA
 34.05°N 117.47°W (Elev. 951 ft)
3:27 am PST Feb 19, 2026
5am PST Feb 19, 2026-6pm PST Feb 25, 2026
 
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Additional Resources

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