Weather in Diamond Bar, California, United States

7-Day Detailed Weather Forecast for Diamond Bar

Today

Temperature: 88°F

Wind Speed: 0 to 10 mph

Wind Direction: SW

Forecast: Sunny, with a high near 88. Southwest wind 0 to 10 mph, with gusts as high as 20 mph.

Tonight

Temperature: 64°F

Wind Speed: 0 to 10 mph

Wind Direction: WNW

Forecast: Clear, with a low around 64. West northwest wind 0 to 10 mph.

Wednesday

Temperature: 89°F

Wind Speed: 0 to 10 mph

Wind Direction: WSW

Forecast: Sunny, with a high near 89. West southwest wind 0 to 10 mph, with gusts as high as 20 mph.

Wednesday Night

Temperature: 63°F

Wind Speed: 0 to 10 mph

Wind Direction: WSW

Forecast: Mostly clear, with a low around 63. West southwest wind 0 to 10 mph.

Thursday

Temperature: 89°F

Wind Speed: 0 to 10 mph

Wind Direction: SW

Forecast: Sunny, with a high near 89. Southwest wind 0 to 10 mph.

Thursday Night

Temperature: 66°F

Wind Speed: 0 to 5 mph

Wind Direction: SSW

Forecast: Partly cloudy, with a low around 66.

Friday

Temperature: 90°F

Wind Speed: 0 to 10 mph

Wind Direction: E

Forecast: Mostly sunny, with a high near 90.

Friday Night

Temperature: 66°F

Wind Speed: 0 to 10 mph

Wind Direction: WSW

Forecast: Mostly clear, with a low around 66.

Saturday

Temperature: 91°F

Wind Speed: 0 to 10 mph

Wind Direction: W

Forecast: Sunny, with a high near 91.

Saturday Night

Temperature: 67°F

Wind Speed: 0 to 10 mph

Wind Direction: SSW

Forecast: Clear, with a low around 67.

Sunday

Temperature: 93°F

Wind Speed: 0 to 10 mph

Wind Direction: SSW

Forecast: Sunny, with a high near 93.

Sunday Night

Temperature: 66°F

Wind Speed: 0 to 10 mph

Wind Direction: SW

Forecast: Clear, with a low around 66.

Labor Day

Temperature: 92°F

Wind Speed: 0 to 10 mph

Wind Direction: WSW

Forecast: Sunny, with a high near 92.

Monday Night

Temperature: 65°F

Wind Speed: 0 to 10 mph

Wind Direction: SW

Forecast: Clear, with a low around 65.