Diamond Bar, California | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Friday
    Partly Cloudy
    76°
    Forecast night icon
    Night
    Partly Cloudy
    53°
    Friday 5/10
    Day
    76°
    Partly Cloudy
    Forecast day icon
    Night
    53°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny after morning low clouds and fog. Highs in the lower to mid 70s.
    Night Details
    Mostly clear in the evening then low clouds and fog. Lows in the lower to mid 50s.
  • Forecast day icon
    Saturday
    Partly Cloudy
    76°
    Forecast night icon
    Night
    Mostly Clear
    54°
    Saturday 5/11
    Day
    76°
    Partly Cloudy
    Forecast day icon
    Night
    54°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny after morning low clouds and fog. Highs in the mid 70s to around 80.
    Night Details
    Mostly clear in the evening then areas of low clouds and fog. Lows in the mid 50s.
  • Forecast day icon
    Sunday
    Partly Cloudy
    78°
    Forecast night icon
    Night
    Mostly Clear
    55°
    Sunday 5/12
    Day
    78°
    Partly Cloudy
    Forecast day icon
    Night
    55°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny after morning low clouds and fog. Highs in the mid 70s to lower 80s. Southwest winds around 15 mph in the afternoon.
    Night Details
    Mostly clear in the evening then areas of low clouds and fog. Lows in the upper 50s.
  • Forecast day icon
    Monday
    Partly Cloudy
    76°
    Forecast night icon
    Night
    Partly Cloudy
    54°
    Monday 5/13
    Day
    76°
    Partly Cloudy
    Forecast day icon
    Night
    54°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny after morning low clouds and fog. Highs in the mid 70s to around 80.
    Night Details
    Mostly clear in the evening then low clouds and fog. Lows in the mid 50s.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    74°
    Forecast night icon
    Night
    Partly Cloudy
    54°
    Tuesday 5/14
    Day
    74°
    Partly Cloudy
    Forecast day icon
    Night
    54°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny after morning low clouds and fog. Highs in the mid to upper 70s.
    Night Details
    Mostly clear in the evening then low clouds and fog. Lows in the mid 50s.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    72°
    Forecast night icon
    Night
    Partly Cloudy
    54°
    Wednesday 5/15
    Day
    72°
    Partly Cloudy
    Forecast day icon
    Night
    54°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny after morning low clouds and fog. Highs in the 70s.
    Night Details
    Mostly clear in the evening then low clouds and fog. Lows in the mid 50s.
  • Forecast day icon
    Thursday
    Partly Cloudy
    76°
    Forecast night icon
    Night
    Mostly Clear
    56°
    Thursday 5/16
    Day
    76°
    Partly Cloudy
    Forecast day icon
    Night
    56°
    Mostly Clear
    Forecast night icon
    Day Details
    Sunny after morning low clouds and fog. Highs in the mid 70s to around 80.
    Night Details
    Mostly clear. Low temperature around 56F. Dew point will be around 54F with an average humidity of 83%. Winds will be 5 mph from the SW.
  • Forecast day icon
    Friday
    Sunny
    80°
    Forecast night icon
    Night
    Clear
    58°
    Friday 5/17
    Day
    80°
    Sunny
    Forecast day icon
    Night
    58°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 80F. Dew point will be around 59F with an average humidity of 67%. Winds will be 7 mph from the SW.
    Night Details
    Clear. Low temperature around 58F. Dew point will be around 56F with an average humidity of 79%. Winds will be 5 mph from the SW.
  • Forecast day icon
    Saturday
    Sunny
    79°
    Forecast night icon
    Night
    Clear
    57°
    Saturday 5/18
    Day
    79°
    Sunny
    Forecast day icon
    Night
    57°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 79F. Dew point will be around 60F with an average humidity of 65%. Winds will be 8 mph from the SW.
    Night Details
    Clear. Low temperature around 57F. Dew point will be around 56F with an average humidity of 80%. Winds will be 6 mph from the SW.
  • Forecast day icon
    Sunday
    Sunny
    75°
    Forecast night icon
    Night
    Clear
    54°
    Sunday 5/19
    Day
    75°
    Sunny
    Forecast day icon
    Night
    54°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 75F. Dew point will be around 58F with an average humidity of 68%. Winds will be 9 mph from the SW.
    Night Details
    Clear. Low temperature around 54F. Dew point will be around 54F with an average humidity of 83%. Winds will be 6 mph from the SW.