Weather in Diamond Bar, California, United States

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7-Day Detailed Weather Forecast for Diamond Bar

Tonight

Temperature: 72°F

Wind Speed: 0 to 5 mph

Wind Direction: SSW

Forecast: Mostly cloudy, with a low around 72. South southwest wind 0 to 5 mph.

Friday

Temperature: 101°F

Wind Speed: 0 to 10 mph

Wind Direction: SSW

Forecast: Mostly sunny, with a high near 101. South southwest wind 0 to 10 mph, with gusts as high as 20 mph.

Friday Night

Temperature: 70°F

Wind Speed: 0 to 10 mph

Wind Direction: SW

Forecast: Mostly clear, with a low around 70. Southwest wind 0 to 10 mph, with gusts as high as 20 mph.

Saturday

Temperature: 98°F

Wind Speed: 0 to 10 mph

Wind Direction: SW

Forecast: Sunny, with a high near 98. Southwest wind 0 to 10 mph, with gusts as high as 20 mph.

Saturday Night

Temperature: 66°F

Wind Speed: 5 to 10 mph

Wind Direction: SW

Forecast: Clear, with a low around 66. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

Sunday

Temperature: 89°F

Wind Speed: 5 to 10 mph

Wind Direction: SSW

Forecast: Sunny, with a high near 89.

Sunday Night

Temperature: 64°F

Wind Speed: 5 to 10 mph

Wind Direction: SSW

Forecast: Clear, with a low around 64.

Monday

Temperature: 89°F

Wind Speed: 5 to 10 mph

Wind Direction: SSW

Forecast: Sunny, with a high near 89.

Monday Night

Temperature: 65°F

Wind Speed: 0 to 10 mph

Wind Direction: WSW

Forecast: A chance of rain showers after 5am. Mostly clear, with a low around 65.

Tuesday

Temperature: 87°F

Wind Speed: 0 to 10 mph

Wind Direction: SW

Forecast: A chance of rain showers. Partly sunny, with a high near 87.

Tuesday Night

Temperature: 65°F

Wind Speed: 0 to 10 mph

Wind Direction: WSW

Forecast: A chance of rain showers. Partly cloudy, with a low around 65.

Wednesday

Temperature: 88°F

Wind Speed: 0 to 10 mph

Wind Direction: WSW

Forecast: A slight chance of rain showers. Mostly sunny, with a high near 88.

Wednesday Night

Temperature: 66°F

Wind Speed: 0 to 10 mph

Wind Direction: S

Forecast: A slight chance of rain showers. Partly cloudy, with a low around 66.

Thursday

Temperature: 91°F

Wind Speed: 0 to 10 mph

Wind Direction: SSW

Forecast: A slight chance of rain showers before 11am. Mostly sunny, with a high near 91.