Weather in Diamond Bar, California, United States

7-Day Detailed Weather Forecast for Diamond Bar

Overnight

Temperature: 56°F

Wind Speed: 5 to 10 mph

Wind Direction: E

Forecast: Clear, with a low around 56. East wind 5 to 10 mph.

Wednesday

Temperature: 87°F

Wind Speed: 10 mph

Wind Direction: ENE

Forecast: Sunny, with a high near 87. East northeast wind around 10 mph, with gusts as high as 20 mph.

Wednesday Night

Temperature: 58°F

Wind Speed: 10 mph

Wind Direction: NE

Forecast: Partly cloudy, with a low around 58. Northeast wind around 10 mph.

Thursday

Temperature: 85°F

Wind Speed: 5 to 10 mph

Wind Direction: E

Forecast: Partly sunny, with a high near 85. East wind 5 to 10 mph, with gusts as high as 20 mph.

Thursday Night

Temperature: 54°F

Wind Speed: 0 to 5 mph

Wind Direction: ESE

Forecast: Mostly cloudy, with a low around 54. East southeast wind 0 to 5 mph.

Friday

Temperature: 72°F

Wind Speed: 0 to 5 mph

Wind Direction: SE

Forecast: Mostly sunny, with a high near 72.

Friday Night

Temperature: 51°F

Wind Speed: 0 to 5 mph

Wind Direction: W

Forecast: Patchy fog after 10pm. Mostly cloudy, with a low around 51.

Saturday

Temperature: 76°F

Wind Speed: 0 to 5 mph

Wind Direction: WSW

Forecast: Patchy fog before 10am. Mostly sunny, with a high near 76.

Saturday Night

Temperature: 52°F

Wind Speed: 0 to 5 mph

Wind Direction: N

Forecast: Mostly clear, with a low around 52.

Sunday

Temperature: 78°F

Wind Speed: 5 to 10 mph

Wind Direction: ENE

Forecast: Sunny, with a high near 78.

Sunday Night

Temperature: 54°F

Wind Speed: 0 to 10 mph

Wind Direction: ENE

Forecast: Patchy fog after 10pm. Mostly cloudy, with a low around 54.

Monday

Temperature: 74°F

Wind Speed: 5 to 15 mph

Wind Direction: SSE

Forecast: Patchy fog before 10am, then a slight chance of rain. Partly sunny, with a high near 74.

Monday Night

Temperature: 50°F

Wind Speed: 5 to 15 mph

Wind Direction: SSW

Forecast: A slight chance of rain. Mostly cloudy, with a low around 50.

Tuesday

Temperature: 64°F

Wind Speed: 5 to 15 mph

Wind Direction: SSW

Forecast: A chance of rain. Partly sunny, with a high near 64.