Weather in Diamond Bar, California, United States

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7-Day Detailed Weather Forecast for Diamond Bar

Overnight

Temperature: 61°F

Wind Speed: 0 to 5 mph

Wind Direction: SW

Forecast: Mostly clear, with a low around 61. Southwest wind 0 to 5 mph.

Monday

Temperature: 87°F

Wind Speed: 0 to 10 mph

Wind Direction: WSW

Forecast: Sunny, with a high near 87. West southwest wind 0 to 10 mph.

Monday Night

Temperature: 60°F

Wind Speed: 0 to 10 mph

Wind Direction: WSW

Forecast: Mostly clear, with a low around 60. West southwest wind 0 to 10 mph.

Tuesday

Temperature: 85°F

Wind Speed: 0 to 10 mph

Wind Direction: SW

Forecast: Sunny, with a high near 85. Southwest wind 0 to 10 mph.

Tuesday Night

Temperature: 59°F

Wind Speed: 0 to 10 mph

Wind Direction: SW

Forecast: Mostly clear, with a low around 59. Southwest wind 0 to 10 mph.

Wednesday

Temperature: 79°F

Wind Speed: 0 to 10 mph

Wind Direction: SW

Forecast: Sunny, with a high near 79.

Wednesday Night

Temperature: 58°F

Wind Speed: 0 to 10 mph

Wind Direction: SW

Forecast: Partly cloudy, with a low around 58.

Thursday

Temperature: 78°F

Wind Speed: 0 to 10 mph

Wind Direction: SSW

Forecast: Sunny, with a high near 78.

Thursday Night

Temperature: 57°F

Wind Speed: 0 to 10 mph

Wind Direction: SW

Forecast: Mostly clear, with a low around 57.

Juneteenth

Temperature: 78°F

Wind Speed: 0 to 10 mph

Wind Direction: SW

Forecast: Sunny, with a high near 78.

Friday Night

Temperature: 55°F

Wind Speed: 0 to 10 mph

Wind Direction: SSW

Forecast: Mostly clear, with a low around 55.

Saturday

Temperature: 77°F

Wind Speed: 0 to 10 mph

Wind Direction: SSW

Forecast: Sunny, with a high near 77.

Saturday Night

Temperature: 55°F

Wind Speed: 0 to 10 mph

Wind Direction: SW

Forecast: Mostly clear, with a low around 55.

Sunday

Temperature: 77°F

Wind Speed: 0 to 10 mph

Wind Direction: SW

Forecast: Sunny, with a high near 77.