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

Hazardous Weather Conditions

Current conditions at

WHITTIER HILLS (WTHC1)

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

NA

69°F

21°C

Humidity 71%
Wind Speed NW 3 MPH
Barometer NA
Dewpoint 59°F (15°C)
Visibility NA
Last update 11 Jul 08:57 PM PDT
Extended Forecast for

2 Miles NW Fullerton Municipal CA

Extreme Heat Watch July 14, 10:00am until July 16, 08:00pm
Heat Advisory July 12, 10:00am until July 14, 10:00am
Click here for hazard details and duration
Extreme Heat Watch
Heat Advisory

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 68. South southwest wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Patchy Fog

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 90. Light south wind becoming south southwest 5 to 10 mph in the afternoon.

    High: 90 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 69. West southwest wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Increasing
    Clouds

  • Monday

    Monday: Cloudy through mid morning, then gradual clearing, with a high near 92. Light southwest wind becoming west southwest 5 to 10 mph in the morning.

    High: 92 °F

    Gradual
    Clearing

  • Monday Night

    Monday Night: Partly cloudy, with a low around 70. Southwest wind 5 to 10 mph becoming light south southwest in the evening.

    Low: 70 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 68. South southwest wind around 5 mph becoming calm in the evening.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 90. Light south wind becoming south southwest 5 to 10 mph in the afternoon.
Sunday Night
Increasing clouds, with a low around 69. West southwest wind around 5 mph becoming calm in the evening.
Monday
Cloudy through mid morning, then gradual clearing, with a high near 92. Light southwest wind becoming west southwest 5 to 10 mph in the morning.
Monday Night
Partly cloudy, with a low around 70. Southwest wind 5 to 10 mph becoming light south southwest in the evening.
Tuesday
Mostly sunny and hot, with a high near 99.
Tuesday Night
Mostly clear, with a low around 70.
Wednesday
Sunny, with a high near 95.
Wednesday Night
Mostly clear, with a low around 72.
Thursday
Mostly sunny, with a high near 90.
Thursday Night
Partly cloudy, with a low around 69.
Friday
Mostly sunny, with a high near 87.
Friday Night
Partly cloudy, with a low around 69.
Saturday
Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Fullerton Municipal CA
 33.9°N 118.02°W (Elev. 105 ft)
Last Update:
12:17 pm PDT Jul 11, 2026
Forecast Valid:
9pm PDT Jul 11, 2026-6pm PDT Jul 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation