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

74°F

23°C

Humidity 8%
Wind Speed NE 10 MPH
Barometer NA
Dewpoint 11°F (-12°C)
Visibility NA
Last update 17 Jan 01:00 AM PST
Extended Forecast for

Fontana CA

  • Overnight

    Overnight: Mostly clear, with a low around 58. Breezy, with a north wind around 25 mph, with gusts as high as 35 mph.

    Low: 58 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 78. Windy, with a north wind 25 to 30 mph, with gusts as high as 45 mph.

    High: 78 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56. North wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 78. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 78 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 58. Breezy, with a north wind around 25 mph, with gusts as high as 35 mph.
Saturday
Sunny, with a high near 78. Windy, with a north wind 25 to 30 mph, with gusts as high as 45 mph.
Saturday Night
Mostly clear, with a low around 56. North wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Mostly sunny, with a high near 78. North wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 52. North wind 5 to 10 mph, with gusts as high as 20 mph.
M.L.King Day
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fontana CA
 34.12°N 117.46°W (Elev. 1381 ft)
Last Update:
1:07 am PST Jan 17, 2026
Forecast Valid:
2am PST Jan 17, 2026-6pm PST Jan 23, 2026
 
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