Today's Weather in Diamond Bar

Tue 16th, Dec

23°C 74°F
Feels like: -6°C 22°F
Sunny intervals
West-Southwest
7km/h 5mph / WSW
Gust: 5 km/h
Gust: 5 mph

  • Rain: 0 mm
  • Sun: 360 mins
  • Cloud: %
  • RH: 13.8%
  • Pressure: 0 mb
  • Visibility: 24135.3 m
Sunrise: 06:50
Sunset: 16:43

Diamond Bar 24hr weather forecast

00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
Sunny intervals
23°C
5 mph
Clear sky night
20°C
2 mph
Partly cloudy night
18°C
2 mph
Partly cloudy night
17°C
0 mph
Partly cloudy night
17°C
0 mph
White cloud
16°C
0 mph
White cloud
20°C
2 mph
White cloud
23°C
5 mph
15 day Diamond Bar forecast »

the weather forecast for tomorrow

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What's the weather supposed to be like today?!

Diamond Bar average weather Tuesday 16th December 2025 03:25 PM
Max temp: 18.4°C 65.2°F
Min temp: 4.2°C 39.6°F
Rainfall: 3mm 0.1ins

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