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

57°F

14°C

Humidity 97%
Wind Speed SW 5 MPH
Barometer NA
Dewpoint 56°F (13°C)
Visibility NA
Last update 25 Mar 11:57 PM PDT
Extended Forecast for

3 Miles WNW Diamond Bar CASimilar City Names

  • Overnight

    Overnight: Patchy fog. Otherwise, cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 83. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 83 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 60. West southwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 60 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60. Southwest wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 89.

    High: 89 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog. Otherwise, cloudy, with a low around 57. Calm wind.
Thursday
Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 83. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
Clear, with a low around 60. West southwest wind 5 to 10 mph becoming light and variable in the evening.
Friday
Sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 60. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 89.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
Sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 58.
Monday
Partly sunny, with a high near 83.
Monday Night
Mostly cloudy, with a low around 58.
Tuesday
Mostly cloudy, with a high near 73.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 55.
Wednesday
A slight chance of rain. Partly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Diamond Bar CASimilar City Names
 34.02°N 117.85°W (Elev. 561 ft)
Last Update:
12:46 am PDT Mar 26, 2026
Forecast Valid:
12am PDT Mar 26, 2026-6pm PDT Apr 1, 2026
 
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