10-Day Weather Forecast - Diamond Bar, CA

As of

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  • 68|54°F
    Partly Cloudy

    Today

    68°F

    Partly cloudy in the morning, becoming mostly cloudy with a 20 percent chance of showers in the afternoon. Highs in the upper 60s to mid 70s.

    Tonight

    54°F

    Partly cloudy with a 20 percent chance of showers in the evening, becoming mostly clear after midnight. Lows in the lower to mid 50s.

    Hourly details
  • 73|55°F
    Sunny

    Day

    73°F

    Sunny. Highs in the mid 70s.

    Night

    55°F

    Clear. Lows in the mid to upper 50s.

    Hourly details
  • 76|55°F
    Sunny

    Day

    76°F

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

    Night

    55°F

    Partly cloudy in the evening then mostly clear. Lows around 60.

    Hourly details
  • 78|53°F
    Sunny

    Day

    78°F

    Sunny. Highs around 80.

    Night

    53°F

    Clear. Lows in the mid to upper 50s.

    Hourly details
  • 78|53°F
    Sunny

    Day

    78°F

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

    Night

    53°F

    Mostly clear in the evening then partly cloudy. Lows in the mid to upper 50s.

    Hourly details
  • 75|54°F
    Partly Cloudy

    Day

    75°F

    Partly cloudy. Highs in the mid 70s.

    Night

    54°F

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

    Hourly details
  • 76|52°F
    Mostly Cloudy

    Day

    76°F

    Mostly cloudy. Highs in the lower to mid 70s.

    Night

    52°F

    Cloudy. Low temperature around 52F. Dew point will be around 51F with an average humidity of 81%. Winds will be 3 mph from the SE.

  • 74|57°F
    Cloudy

    Day

    74°F

    Cloudy. High temperature around 74F. Dew point will be around 54F with an average humidity of 57%. Winds will be 3 mph from the SSW.

    Night

    57°F

    Cloudy. Low temperature around 57F. Dew point will be around 55F with an average humidity of 85%. Winds will be 3 mph from the S.

  • 74|58°F
    Partly Cloudy

    Day

    74°F

    Partly cloudy. High temperature around 74F. Dew point will be around 56F with an average humidity of 63%. Winds will be 6 mph from the SSW.

    Night

    58°F

    Partly cloudy. Low temperature around 58F. Dew point will be around 56F with an average humidity of 86%. Winds will be 5 mph from the NW.