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

63°F

17°C

Humidity 83%
Wind Speed W 1 MPH
Barometer NA
Dewpoint 58°F (14°C)
Visibility NA
Last update 30 Sep 12:00 AM PDT
Extended Forecast for

Fontana CA

  • Overnight

    Overnight: Patchy drizzle. Patchy fog after 2am. Otherwise, cloudy, with a low around 59. Southwest wind around 5 mph.

    Low: 59 °F

    Patchy
    Drizzle and
    Patchy Fog

  • Tuesday

    Tuesday: Patchy drizzle and fog before 11am. Cloudy through mid morning, then gradual clearing, with a high near 78. Light west wind becoming southwest 5 to 10 mph in the afternoon.

    High: 78 °F

    Patchy
    Drizzle and
    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 56. Southwest wind 5 to 10 mph becoming light west after midnight.

    Low: 56 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 80. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 80 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. West wind 5 to 10 mph becoming light in the evening.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy drizzle. Patchy fog after 2am. Otherwise, cloudy, with a low around 59. Southwest wind around 5 mph.
Tuesday
Patchy drizzle and fog before 11am. Cloudy through mid morning, then gradual clearing, with a high near 78. Light west wind becoming southwest 5 to 10 mph in the afternoon.
Tuesday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 56. Southwest wind 5 to 10 mph becoming light west after midnight.
Wednesday
Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 80. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 58. West wind 5 to 10 mph becoming light in the evening.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 72.
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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:
1:00 pm PDT Sep 29, 2025
Forecast Valid:
1am PDT Sep 30, 2025-6pm PDT Oct 6, 2025
 
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