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

Hazardous Weather Conditions

Current conditions at

Fullerton, Fullerton Municipal Airport (KFUL)

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

Clear

81°F

27°C

Humidity 41%
Wind Speed SSW 4 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 18 Jun 11:53 AM PDT
Extended Forecast for

2 Miles SW Fullerton CA

Heat Advisory June 18, 12:10pm until June 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 18, 12:10pm until June 18, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 63. South wind 5 to 10 mph.

    Low: 63 °F

    Patchy Fog

  • Juneteenth

    Juneteenth: Mostly cloudy through mid morning, then gradual clearing, with a high near 81. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 81 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 63. Southwest wind around 5 mph becoming calm after midnight.

    Low: 63 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 79. South wind 5 to 10 mph.

    High: 79 °F

    Becoming
    Sunny

  • Friday Night

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

    Low: 62 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 77.

    High: 77 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 59.

    Low: 59 °F

    Increasing
    Clouds

Detailed Forecast

This Afternoon
Sunny, with a high near 85. Southwest wind 5 to 10 mph.
Tonight
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 63. South wind 5 to 10 mph.
Juneteenth
Mostly cloudy through mid morning, then gradual clearing, with a high near 81. Light south wind becoming southwest 5 to 10 mph in the morning.
Thursday Night
Increasing clouds, with a low around 63. Southwest wind around 5 mph becoming calm after midnight.
Friday
Partly sunny, then gradually becoming sunny, with a high near 79. South wind 5 to 10 mph.
Friday Night
Increasing clouds, with a low around 62.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 77.
Saturday Night
Increasing clouds, with a low around 59.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 79.
Sunday Night
Increasing clouds, with a low around 61.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 79.
Monday Night
Increasing clouds, with a low around 61.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Fullerton CA
 33.84°N 117.95°W (Elev. 131 ft)
Last Update:
8:07 am PDT Jun 18, 2025
Forecast Valid:
12pm PDT Jun 18, 2025-6pm PDT Jun 24, 2025
 
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