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

WHITTIER HILLS (WTHC1)

Lat: 33.984°NLon: 118.00943°WElev: 950.0ft.

NA

64°F

18°C

Humidity 97%
Wind Speed NNW 1 MPH
Barometer NA
Dewpoint 63°F (17°C)
Visibility NA
Last update 15 Aug 04:57 AM PDT
Extended Forecast for

3 Miles NW Fullerton Municipal CA

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 85. Light west wind becoming west southwest 5 to 10 mph in the afternoon.

    High: 85 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 68. West southwest wind 5 to 10 mph becoming light in the evening.

    Low: 68 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 88. Light southwest wind becoming west southwest 5 to 10 mph in the afternoon.

    High: 88 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 69. West southwest wind 5 to 10 mph becoming south after midnight.

    Low: 69 °F

    Increasing
    Clouds

  • Monday

    Monday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 89 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 85. Light west wind becoming west southwest 5 to 10 mph in the afternoon.
Tonight
Increasing clouds, with a low around 68. West southwest wind 5 to 10 mph becoming light in the evening.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 88. Light southwest wind becoming west southwest 5 to 10 mph in the afternoon.
Sunday Night
Increasing clouds, with a low around 69. West southwest wind 5 to 10 mph becoming south after midnight.
Monday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
Mostly sunny, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
Mostly sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
Sunny, with a high near 93.
Thursday Night
Mostly clear, with a low around 70.
Friday
Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Fullerton Municipal CA
 33.9°N 118.02°W (Elev. 105 ft)
Last Update:
5:31 am PDT Aug 15, 2026
Forecast Valid:
5am PDT Aug 15, 2026-6pm PDT Aug 21, 2026
 
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Additional Resources

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