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

Fullerton, Fullerton Municipal Airport (KFUL)

Lat: 33.87194°NLon: 117.98472°WElev: 95.0ft.

Clear

66°F

19°C

Humidity 72%
Wind Speed S 6 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 29 Jun 09:05 PM PDT
Extended Forecast for

Fullerton Municipal CA

  • Tonight

    Tonight: Patchy drizzle after 2am. Mostly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm after midnight.

    Low: 62 °F

    Partly Cloudy
    then Patchy
    Drizzle

  • Tuesday

    Tuesday: Patchy drizzle before 11am. Mostly cloudy through mid morning, then gradual clearing, with a high near 75. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 75 °F

    Patchy
    Drizzle then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 61. Southwest wind 5 to 10 mph becoming light in the evening.

    Low: 61 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 76. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 76 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 60. South wind around 5 mph becoming calm after midnight.

    Low: 60 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 62.

    Low: 62 °F

    Increasing
    Clouds

Detailed Forecast

Tonight
Patchy drizzle after 2am. Mostly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm after midnight.
Tuesday
Patchy drizzle before 11am. Mostly cloudy through mid morning, then gradual clearing, with a high near 75. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Tuesday Night
Increasing clouds, with a low around 61. Southwest wind 5 to 10 mph becoming light in the evening.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 76. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Increasing clouds, with a low around 60. South wind around 5 mph becoming calm after midnight.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 79.
Friday Night
Increasing clouds, with a low around 62.
Independence Day
Mostly cloudy, then gradually becoming sunny, with a high near 81.
Saturday Night
Increasing clouds, with a low around 63.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 81.
Sunday Night
Increasing clouds, with a low around 63.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fullerton Municipal CA
 33.86°N 117.99°W (Elev. 69 ft)
Last Update:
8:38 pm PDT Jun 29, 2026
Forecast Valid:
9pm PDT Jun 29, 2026-6pm PDT Jul 6, 2026
 
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