10-Day Weather Forecast - Diamond Bar, CA

Sunny. Highs in the mid 70s to around 80.

Mostly clear. Lows in the 50s to around 60.

Sunny. Highs in the lower to mid 80s.

Mostly clear. Lows in the 50s to lower 60s.

Sunny. Highs around 90.

Partly cloudy in the evening then areas of low clouds and fog. Lows in the upper 50s to mid 60s.

Areas of low clouds and fog in the morning then sunny. Highs in the mid to upper 80s.

Clear in the evening then areas of low clouds and fog. Lows in the mid to upper 50s.

Areas of low clouds and fog in the morning then partly cloudy. Highs in the mid 70s.

Partly cloudy in the evening then mostly clear. Lows in the lower to mid 50s.

Sunny. Highs in the lower 70s.

Mostly clear in the evening then partly cloudy. Lows in the lower 50s.

Partly cloudy in the morning then sunny. Highs in the lower to mid 70s.

Clear. Low temperature around 53F. Dew point will be around 47F with an average humidity of 68%. Winds will be 3 mph from the NE.

Sunny. High temperature around 76F. Dew point will be around 49F with an average humidity of 51%. Winds will be 3 mph from the SW.

Clear. Low temperature around 53F. Dew point will be around 48F with an average humidity of 70%. Winds will be 2 mph from the SW.

Sunny. High temperature around 75F. Dew point will be around 46F with an average humidity of 44%. Winds will be 3 mph from the W.

Clear. Low temperature around 52F. Dew point will be around 44F with an average humidity of 60%. Winds will be 4 mph from the NE.

Sunny. High temperature around 73F. Dew point will be around 40F with an average humidity of 38%. Winds will be 3 mph from the NW.

Clear. Low temperature around 52F. Dew point will be around 40F with an average humidity of 53%. Winds will be 3 mph from the NE.