5-Day Weather Forecast, Diamond Bar (CA)

Sat   Dec 28

20°C | 8°C

W 3 m/s

broken clouds and no rain

hourly forecast

Sun   Dec 29

20°C | 6°C

SW 4 m/s

clear and no rain

hourly forecast

Mon   Dec 30

19°C | 6°C

W 3 m/s

clear and no rain

hourly forecast

Tue   Dec 31

21°C | 6°C

NW 3 m/s

broken clouds and no rain

Wed   Jan 01

22°C | 6°C

W 2 m/s

clear and no rain

See the 10-day forecast for popular European destinations

Europe Forecast

Get more details in the extended 10 day weather forecast for Diamond Bar. Check out our December climate page to see if the current temperatures in Diamond Bar is typical for this time of year.