10-Day Weather Forecast - Diamond Bar, CA

Low clouds and fog in the morning then partly cloudy. Highs around 70.

Partly cloudy in the evening then low clouds and fog. Lows in the upper 40s to mid 50s.

Mostly cloudy. Highs in the lower 70s.

Mostly cloudy. Lows in the lower 50s.

Mostly cloudy. A 20 percent chance of showers in the afternoon. Highs in the mid to upper 60s.

Showers likely in the evening then showers after midnight. Lows in the mid 50s.

Showers. Locally heavy rainfall possible in the afternoon. Highs in the upper 50s to mid 60s.

Showers. Lows in the mid 50s.

Showers. Highs in the upper 50s to mid 60s.

Showers in the evening then showers likely after midnight. Lows in the lower 50s.

Showers likely. Highs around 60. Chance of precipitation 70 percent.

Partly cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 45F. Dew point will be around 48F with an average humidity of 96%. Winds will be 3 mph from the NE.

Sunny with a chance of rain. Chance of precipitation 35%. High temperature around 60F. Dew point will be around 47F with an average humidity of 76%. Winds will be 5 mph from the NE.

Clear. Low temperature around 44F. Dew point will be around 41F with an average humidity of 78%. Winds will be 8 mph from the NE.

Sunny. High temperature around 60F. Dew point will be around 43F with an average humidity of 60%. Winds will be 9 mph from the NE.

Clear. Low temperature around 46F. Dew point will be around 38F with an average humidity of 65%. Winds will be 9 mph from the NE.

Sunny. High temperature around 63F. Dew point will be around 43F with an average humidity of 56%. Winds will be 7 mph from the NE.

Mostly clear. Low temperature around 47F. Dew point will be around 40F with an average humidity of 67%. Winds will be 6 mph from the NE.