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 100%
Wind Speed SSW 1 MPH
Barometer NA
Dewpoint 57°F (14°C)
Visibility NA
Last update 02 May 08:57 AM PDT
Extended Forecast for

2 Miles WSW Diamond Bar CA

  • Today

    Today: Patchy fog before 11am. Otherwise, cloudy early, then clearing, with a high near 79. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 79 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 57. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 57 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 71. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 71 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of rain after 11pm. Increasing clouds, with a low around 54. Southwest wind 5 to 10 mph.

    Low: 54 °F

    Slight Chance
    Rain

  • Monday

    Monday: A 20 percent chance of rain before 11am. Partly sunny, with a high near 66. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 66 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of rain. Partly cloudy, with a low around 52.

    Low: 52 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

Today
Patchy fog before 11am. Otherwise, cloudy early, then clearing, with a high near 79. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tonight
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 57. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 71. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.
Sunday Night
A 20 percent chance of rain after 11pm. Increasing clouds, with a low around 54. Southwest wind 5 to 10 mph.
Monday
A 20 percent chance of rain before 11am. Partly sunny, with a high near 66. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
A 20 percent chance of rain. Partly cloudy, with a low around 52.
Tuesday
Sunny, with a high near 66.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Clear, with a low around 55.
Thursday
Sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 88.
Basemap Options
Click map to change the forecast location
Loading map...
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:
1:42 am PDT May 2, 2026
Forecast Valid:
10am PDT May 2, 2026-6pm PDT May 8, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation