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

71°F

22°C

Humidity 59%
Wind Speed WSW 8 MPH
Barometer NA
Dewpoint 56°F (13°C)
Visibility NA
Last update 01 May 06:57 PM PDT
Extended Forecast for

2 Miles WSW Diamond Bar CA

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 56. Southwest wind 5 to 10 mph becoming light south in the evening.

    Low: 56 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 79. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 79 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 55. Southwest wind 5 to 10 mph becoming light south southwest after midnight.

    Low: 55 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 72. Light south southwest wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 72 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Cloudy, with a low around 53. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 53 °F

    Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 67.

    High: 67 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 56. Southwest wind 5 to 10 mph becoming light south in the evening.
Saturday
Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 79. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 55. Southwest wind 5 to 10 mph becoming light south southwest after midnight.
Sunday
Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 72. Light south southwest wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.
Sunday Night
Cloudy, with a low around 53. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Mostly cloudy, with a high near 67.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Clear, with a low around 54.
Thursday
Sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Diamond Bar CA
 34°N 117.85°W (Elev. 679 ft)
Last Update:
1:07 pm PDT May 1, 2026
Forecast Valid:
7pm PDT May 1, 2026-6pm PDT May 8, 2026
 
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