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

57°F

14°C

Humidity 82%
Wind Speed SW 6 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 13 May 03:00 AM PDT
Extended Forecast for

Fontana CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 51. Southwest wind around 10 mph.

    Low: 51 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Patchy drizzle before 11am. Mostly sunny, with a high near 67. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 67 °F

    Patchy
    Drizzle then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51. Southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Patchy fog before 11am. Otherwise, sunny, with a high near 75. Light and variable wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 75 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. West wind 10 to 15 mph becoming light northwest after midnight. Winds could gust as high as 20 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 75.

    High: 75 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 54.

    Low: 54 °F

    Patchy Fog

Detailed Forecast

Overnight
Mostly cloudy, with a low around 51. Southwest wind around 10 mph.
Tuesday
Patchy drizzle before 11am. Mostly sunny, with a high near 67. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 51. Southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Wednesday
Patchy fog before 11am. Otherwise, sunny, with a high near 75. Light and variable wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 53. West wind 10 to 15 mph becoming light northwest after midnight. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 54.
Friday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 75.
Friday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 54.
Saturday
Cloudy, with a high near 66.
Saturday Night
Cloudy, with a low around 53.
Sunday
Cloudy, with a high near 64.
Sunday Night
Mostly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fontana CA
 34.1°N 117.43°W (Elev. 1296 ft)
Last Update:
2:51 am PDT May 13, 2025
Forecast Valid:
4am PDT May 13, 2025-6pm PDT May 19, 2025
 
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