Current Weather Forecast for Diamond Bar

CA 91765  |   11:47pm

Weather Conditions

65°

Feels Like 65°

Fair

64° 83°

0

UV Index

Moderate

Air Quality

SW 5 mph

Wind

0 in

rain

Tonight

Thu 8/14

62°

Lowest Temperature

3%

Partly cloudy this evening with more clouds for overnight. Low 62F. Winds light and variable.

Tomorrow

Fri 8/15

81°

Highest Temperature

6%

Some clouds in the morning will give way to mainly sunny skies for the afternoon. High 81F. Winds SW at 10 to 15 mph.

Tomorrow night

Fri 8/15

62°

Lowest Temperature

13%

Partly to mostly cloudy. Low 62F. Winds SW at 10 to 15 mph.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Diamond Bar

Hourly Weather Forecast & Temperature

12AM

2%

65°

Feels Like 65°

Partly Cloudy

WSW 5 mph

Wind

1012 mb

Pressure

90%

Humidity

0

UV Index

9mi

Visibility

30%

Cloud Cover

1AM

2%

65°

Feels Like 65°

Mostly Cloudy

SW 4 mph

Wind

1012 mb

Pressure

90%

Humidity

0

UV Index

9mi

Visibility

63%

Cloud Cover

2AM

2%

64°

Feels Like 64°

Mostly Cloudy

SW 4 mph

Wind

1012 mb

Pressure

90%

Humidity

0

UV Index

9mi

Visibility

74%

Cloud Cover

3AM

3%

64°

Feels Like 64°

Mostly Cloudy

SW 4 mph

Wind

1012 mb

Pressure

86%

Humidity

0

UV Index

9mi

Visibility

67%

Cloud Cover

4AM

4%

64°

Feels Like 64°

Mostly Cloudy

SW 3 mph

Wind

1012 mb

Pressure

87%

Humidity

0

UV Index

9mi

Visibility

74%

Cloud Cover

5AM

2%

64°

Feels Like 64°

Mostly Cloudy

WSW 3 mph

Wind

1012 mb

Pressure

87%

Humidity

0

UV Index

9mi

Visibility

75%

Cloud Cover

6AM

3%

64°

Feels Like 64°

Cloudy

SW 3 mph

Wind

1013 mb

Pressure

89%

Humidity

0

UV Index

5mi

Visibility

82%

Cloud Cover

7AM

7%

63°

Feels Like 63°

Cloudy

SW 2 mph

Wind

1013 mb

Pressure

90%

Humidity

0

UV Index

10mi

Visibility

82%

Cloud Cover

8AM

6%

63°

Feels Like 63°

Cloudy

SSW 2 mph

Wind

1013 mb

Pressure

90%

Humidity

1

UV Index

10mi

Visibility

83%

Cloud Cover

9AM

4%

65°

Feels Like 66°

Mostly Cloudy

SW 2 mph

Wind

1014 mb

Pressure

85%

Humidity

2

UV Index

10mi

Visibility

74%

Cloud Cover

10AM

2%

68°

Feels Like 69°

Mostly Sunny

SW 3 mph

Wind

1014 mb

Pressure

76%

Humidity

5

UV Index

10mi

Visibility

29%

Cloud Cover

11AM

1%

72°

Feels Like 72°

Mostly Sunny

WSW 4 mph

Wind

1014 mb

Pressure

67%

Humidity

8

UV Index

10mi

Visibility

21%

Cloud Cover

Thu 8/14

Thu

3%

64°

83°

Partly cloudy. Lows overnight in the low 60s.

62°

Feels Like

SW 5 mph

Wind

88%

Humidity

0

UV Index

6:12 AM

Sunrise

7:38 PM

Sunset

Fri 8/15

Fri

6%

62°

81°

Partly cloudy. Highs in the low 80s and lows in the low 60s.

81°

Feels Like

SW 11 mph

Wind

65%

Humidity

10

UV Index

6:13 AM

Sunrise

7:37 PM

Sunset

Sat 8/16

Sat

7%

62°

81°

Times of sun and clouds. Highs in the low 80s and lows in the low 60s.

81°

Feels Like

SW 12 mph

Wind

66%

Humidity

10

UV Index

6:14 AM

Sunrise

7:36 PM

Sunset

Sun 8/17

Sun

6%

62°

84°

Times of sun and clouds. Highs in the mid 80s and lows in the low 60s.

84°

Feels Like

WSW 12 mph

Wind

65%

Humidity

10

UV Index

6:14 AM

Sunrise

7:35 PM

Sunset

Mon 8/18

Mon

4%

61°

87°

Partly cloudy. Highs in the upper 80s and lows in the low 60s.

87°

Feels Like

WSW 12 mph

Wind

59%

Humidity

10

UV Index

6:15 AM

Sunrise

7:33 PM

Sunset

Tue 8/19

Tue

3%

62°

89°

Sunny. Highs in the upper 80s and lows in the low 60s.

89°

Feels Like

SW 11 mph

Wind

51%

Humidity

10

UV Index

6:16 AM

Sunrise

7:32 PM

Sunset

Wed 8/20

Wed

2%

63°

91°

Mix of sun and clouds. Highs in the low 90s and lows in the mid 60s.

91°

Feels Like

WSW 11 mph

Wind

46%

Humidity

10

UV Index

6:16 AM

Sunrise

7:31 PM

Sunset

Thu 8/21

Thu

65°

92°

Mix of sun and clouds. Highs in the low 90s and lows in the upper 60s.

92°

Feels Like

WSW 11 mph

Wind

44%

Humidity

10

UV Index

6:17 AM

Sunrise

7:30 PM

Sunset

Need to see beyond 12 Hours?

Find more forecast on the FREE FOX WEATHER App

GO TO APP STORE

Latest Stories from California

Why are frogs being released at a national park site in California?

The Oakland Zoo says it has released its 1,000th yellow-legged frog into the wild, marking a milestone in conservation efforts. The latest release happened at Sequoia and Kings Canyon National Parks in Central California’s Sierra Nevada mountains.

3 firefighters injured while battling California's Canyon Fire

Three firefighters were injured while battling a wildfire in southern California on Friday.

Weekend weather update from FOX Weather: New tropical wave emerging off Africa being watched for development

Top weather news for Aug. 9. 2025. Just as Invest 96L continues its journey into irrelevance in the Atlantic Ocean, a new tropical wave just emerging off the western coast of Africa has caught the attention of the National Hurricane Center.

Parts of Los Angeles evacuated as Canyon Fire explodes to over 5,300 acres

The Canyon Fire in Southern California continued to grow and burn on Friday afternoon, after forcing thousands of residents across parts of Los Angeles and Ventura Counties to evacuate.

Load More Stories