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Weather in Diamond Bar, California, USA

Now
66 °F

Overcast.


Feels Like: 66 °F
Forecast: 84 / 59 °F
Wind: No wind

Location: Chino Airport
Current Time: Jul 23, 2025 at 5:39:39 am
Latest Report: Jul 23, 2025 at 4:53 am
Visibility: 10 mi
Pressure: 30.00 "Hg
Humidity: 78%
Dew Point: 59 °F
Location of Diamond BarLocation

Upcoming 5 hours

Now6:00 am7:00 am8:00 am9:00 am10:00 am
66 °F60 °F61 °F64 °F67 °F70 °F

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Forecast for the next 48 hours

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 WednesdayThursday
 NightMorningAfternoonEveningNightMorningAfternoon
Forecast
Temperature62 °F67 °F83 °F70 °F61 °F68 °F85 °F
Scatt­erred clouds.Scatt­erred clouds.Sunny.Clear.Clear.Scatt­erred clouds.Sunny.
Feels Like62 °F67 °F83 °F70 °F61 °F68 °F83 °F
Wind Speed3 mph4 mph11 mph7 mph2 mph3 mph10 mph
Wind DirectionSW
SW
SW
SW
SW
SW
SW
Humidity80%68%38%56%79%58%30%
Dew Point55 °F56 °F55 °F53 °F55 °F52 °F50 °F
Visibility8 mi8 mi8 mi7 mi7 mi8 mi8 mi
Probability of Precipitation0%0%0%0%0%0%0%
Amount of Rain0.00"0.00"0.00"0.00"0.00"0.00"0.00"
Amount of Snow0.00"0.00"0.00"0.00"0.00"0.00"0.00"
* Updated Wednesday, July 23, 2025 12:42:47 am Diamond Bar time - Weather by CustomWeather, © 2025

14 day forecast, day-by-dayHour-by-hour forecast for next week

Yesterday's weather

Overcast. 84 / 64 °F
Humidity: 65%. Wind: 8 mph from West

More weather last week

Currently at nearby stations

65 °F

Ontario International Airport: (12 mi)

Overcast.

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Forecast for the next 2 weeks

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SunMonTueWedThuFriSat
20
21
22

View historic weather

7
8
9

Detailed forecast for 14 days