National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Fontana-Arrow Highway (CQ057)

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

NA

60°F

16°C

Humidity 18%
Wind Speed NNE 5 MPH
Barometer NA
Dewpoint 16°F (-9°C)
Visibility NA
Last update 11 Jan 02:00 AM PST
Extended Forecast for

4 Miles E Ontario International Arpt CA

Wind Advisory January 11, 03:49am until January 12, 02:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory January 11, 03:49am until January 12, 02:00pm

    NOW until 2:00pm Mon

    Wind Advisory

  • Overnight

    Low: 52 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 72. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54. Northeast wind 5 to 10 mph.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 73. Light north wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 52. North wind around 5 mph becoming calm after midnight.

    Low: 52 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 53.

    Low: 53 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Overnight
Clear, with a low around 52. North wind around 10 mph.
Sunday
Sunny, with a high near 72. North wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 54. Northeast wind 5 to 10 mph.
Monday
Sunny, with a high near 73. Light north wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Monday Night
Clear, with a low around 52. North wind around 5 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Clear, with a low around 53.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Clear, with a low around 52.
Thursday
Sunny, with a high near 79.
Thursday Night
Clear, with a low around 52.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 52.
Saturday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Ontario International Arpt CA
 34.06°N 117.53°W (Elev. 981 ft)
Last Update:
1:43 am PST Jan 11, 2026
Forecast Valid:
3am PST Jan 11, 2026-6pm PST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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