Current Weather Forecast for Diamond Bar

CA 91765  |   3:49am

Weather Conditions

66°

Feels Like 66°

Fair

65° 93°

0

UV Index

Moderate

Air Quality

W 1 mph

Wind

0 in

rain

Today

Mon 8/3

93°

Highest Temperature

2%

Abundant sunshine. High 93F. Winds WSW at 10 to 15 mph.

Tonight

Mon 8/3

65°

Lowest Temperature

6%

Clear to partly cloudy. Low around 65F. Winds WSW at 10 to 15 mph.

Tomorrow

Tue 8/4

91°

Highest Temperature

5%

Partly cloudy skies. High 91F. Winds WSW at 10 to 15 mph.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Diamond Bar

Hourly Weather Forecast & Temperature

4AM

2%

67°

Feels Like 67°

Mostly Clear

WSW 1 mph

Wind

1008 mb

Pressure

85%

Humidity

0

UV Index

10mi

Visibility

21%

Cloud Cover

5AM

2%

66°

Feels Like 66°

Mostly Clear

WSW 1 mph

Wind

1009 mb

Pressure

84%

Humidity

0

UV Index

10mi

Visibility

22%

Cloud Cover

6AM

2%

66°

Feels Like 66°

Partly Cloudy

SW 0 mph

Wind

1009 mb

Pressure

84%

Humidity

0

UV Index

9mi

Visibility

40%

Cloud Cover

7AM

2%

69°

Feels Like 69°

Partly Cloudy

SW 2 mph

Wind

1009 mb

Pressure

75%

Humidity

0

UV Index

8mi

Visibility

33%

Cloud Cover

8AM

1%

72°

Feels Like 72°

Mostly Sunny

SW 2 mph

Wind

1009 mb

Pressure

70%

Humidity

1

UV Index

10mi

Visibility

27%

Cloud Cover

9AM

1%

75°

Feels Like 75°

Sunny

SW 2 mph

Wind

1009 mb

Pressure

64%

Humidity

3

UV Index

10mi

Visibility

7%

Cloud Cover

10AM

79°

Feels Like 81°

Sunny

WSW 2 mph

Wind

1009 mb

Pressure

55%

Humidity

5

UV Index

10mi

Visibility

4%

Cloud Cover

11AM

84°

Feels Like 85°

Sunny

WSW 4 mph

Wind

1009 mb

Pressure

46%

Humidity

8

UV Index

10mi

Visibility

0%

Cloud Cover

12PM

88°

Feels Like 89°

Sunny

WSW 6 mph

Wind

1008 mb

Pressure

40%

Humidity

10

UV Index

10mi

Visibility

0%

Cloud Cover

1PM

90°

Feels Like 91°

Sunny

WSW 9 mph

Wind

1008 mb

Pressure

37%

Humidity

11

UV Index

10mi

Visibility

0%

Cloud Cover

2PM

91°

Feels Like 92°

Sunny

WSW 10 mph

Wind

1008 mb

Pressure

32%

Humidity

10

UV Index

10mi

Visibility

0%

Cloud Cover

3PM

92°

Feels Like 93°

Sunny

WSW 11 mph

Wind

1007 mb

Pressure

31%

Humidity

8

UV Index

10mi

Visibility

0%

Cloud Cover

Mon 8/3

Mon

2%

65°

93°

Sunshine. Highs in the low 90s and lows in the mid 60s.

93°

Feels Like

WSW 12 mph

Wind

54%

Humidity

11

UV Index

6:04 AM

Sunrise

7:50 PM

Sunset

Tue 8/4

Tue

5%

65°

91°

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

91°

Feels Like

WSW 12 mph

Wind

51%

Humidity

11

UV Index

6:05 AM

Sunrise

7:49 PM

Sunset

Wed 8/5

Wed

4%

65°

90°

Mainly sunny. Highs in the low 90s and lows in the mid 60s.

90°

Feels Like

WSW 12 mph

Wind

51%

Humidity

11

UV Index

6:05 AM

Sunrise

7:48 PM

Sunset

Thu 8/6

Thu

2%

66°

92°

Sunny. Highs in the low 90s and lows in the upper 60s.

92°

Feels Like

SW 11 mph

Wind

50%

Humidity

11

UV Index

6:06 AM

Sunrise

7:47 PM

Sunset

Fri 8/7

Fri

1%

68°

93°

Sunshine. Highs in the low 90s and lows in the upper 60s.

93°

Feels Like

SW 11 mph

Wind

49%

Humidity

11

UV Index

6:07 AM

Sunrise

7:46 PM

Sunset

Sat 8/8

Sat

1%

68°

94°

Sunshine. Highs in the mid 90s and lows in the upper 60s.

94°

Feels Like

SW 12 mph

Wind

49%

Humidity

10

UV Index

6:07 AM

Sunrise

7:45 PM

Sunset

Sun 8/9

Sun

1%

69°

92°

A few clouds. Highs in the low 90s and lows in the upper 60s.

92°

Feels Like

SW 12 mph

Wind

50%

Humidity

10

UV Index

6:08 AM

Sunrise

7:44 PM

Sunset

Mon 8/10

Mon

10%

68°

90°

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

90°

Feels Like

SW 12 mph

Wind

53%

Humidity

10

UV Index

6:09 AM

Sunrise

7:43 PM

Sunset

Plans up in the air? We'll help you weather-proof them. Get the FREE FOX Weather app.

Download the App

Looking for homes in this area?

• 22900 Colombard Ln #2, Diamond Bar, CA 91765
• 2137 Derringer Ln, Diamond Bar, CA 91765
• 24412 Rosegate Pl, Diamond Bar, CA 91765

Sponsored by Redfin. Housing data supplied by Redfin independent of FOX Weather.

Latest Stories from California

Life-threatening heat dome starts to ease up after baking the West with triple-digit temperatures

The heat dome that plagued the Central and Southern Plains retreated back to the West, bringing extreme triple-digit temperatures to the Four Corners and Desert Southwest.

Watch: Two rattlesnakes ‘dance’ on busy street as Southern California sees spike in bite cases

Video captured in Southern California shows two large rattlesnakes fighting near a storm drain in Thousand Oaks on Tuesday, highlighting a broader, unsettling surge in snake encounters across the region.

Genevieve weakens after becoming first Category 5 in Eastern Pacific since 2024

Genevieve weakened to a Category 1 hurricane Thursday morning after becoming the Eastern Pacific's first Category 5 storm since 2024.

Northern California rattled by magnitude 4.3 earthquake along Pacific Ring of Fire

A magnitude 4.3 earthquake rattled Northern California on Tuesday night, marking the latest quake to happen along the Pacific Ring of Fire.

Load More Stories