Diamond Bar, California | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Saturday
    Mostly Cloudy
    62°
    Forecast night icon
    Night
    70% Chance of Rain
    53°
    Saturday 5/4
    Day
    62°
    Mostly Cloudy
    Forecast day icon
    Night
    53°
    70% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. High temperature around 62F. Dew point will be around 54F with an average humidity of 76%. Winds will be 8 mph from the SW.
    Night Details
    A chance of rain in the evening then rain likely after midnight. Lows in the upper 40s to mid 50s. Southwest winds around 15 mph. Chance of precipitation 70 percent.
  • Forecast day icon
    Sunday
    Partly Cloudy
    64°
    Forecast night icon
    Night
    Partly Cloudy
    48°
    Sunday 5/5
    Day
    64°
    Partly Cloudy
    Forecast day icon
    Night
    48°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Highs in the mid to upper 60s. Southwest winds around 15 mph.
    Night Details
    Mostly clear in the evening then partly cloudy. Lows around 50. Southwest winds around 15 mph in the evening.
  • Forecast day icon
    Monday
    Sunny
    70°
    Forecast night icon
    Night
    Mostly Clear
    51°
    Monday 5/6
    Day
    70°
    Sunny
    Forecast day icon
    Night
    51°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower to mid 70s. Southwest winds around 15 mph in the afternoon.
    Night Details
    Mostly clear. Lows in the lower 50s. Southwest winds around 15 mph in the evening.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    71°
    Forecast night icon
    Night
    Mostly Clear
    51°
    Tuesday 5/7
    Day
    71°
    Partly Cloudy
    Forecast day icon
    Night
    51°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy in the morning then sunny. Highs in the lower to mid 70s.
    Night Details
    Mostly clear. Lows in the lower 50s.
  • Forecast day icon
    Wednesday
    Sunny
    75°
    Forecast night icon
    Night
    Clear
    53°
    Wednesday 5/8
    Day
    75°
    Sunny
    Forecast day icon
    Night
    53°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid 70s to around 80.
    Night Details
    Clear. Lows in the lower to mid 50s.
  • Forecast day icon
    Thursday
    Sunny
    75°
    Forecast night icon
    Night
    Mostly Clear
    52°
    Thursday 5/9
    Day
    75°
    Sunny
    Forecast day icon
    Night
    52°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid 70s to around 80.
    Night Details
    Mostly clear. Lows in the mid 50s.
  • Forecast day icon
    Friday
    Partly Cloudy
    80°
    Forecast night icon
    Night
    Mostly Clear
    55°
    Friday 5/10
    Day
    80°
    Partly Cloudy
    Forecast day icon
    Night
    55°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy in the morning then sunny. Highs around 80.
    Night Details
    Mostly clear in the evening then areas of low clouds and fog. Lows in the mid 50s.
  • Forecast day icon
    Saturday
    Partly Cloudy
    76°
    Forecast night icon
    Night
    Clear
    54°
    Saturday 5/11
    Day
    76°
    Partly Cloudy
    Forecast day icon
    Night
    54°
    Clear
    Forecast night icon
    Day Details
    Low clouds and fog in the morning then sunny. Highs around 80.
    Night Details
    Clear. Low temperature around 54F. Dew point will be around 49F with an average humidity of 70%. Winds will be 4 mph from the SW.
  • Forecast day icon
    Sunday
    Sunny
    71°
    Forecast night icon
    Night
    Mostly Clear
    53°
    Sunday 5/12
    Day
    71°
    Sunny
    Forecast day icon
    Night
    53°
    Mostly Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 71F. Dew point will be around 54F with an average humidity of 64%. Winds will be 7 mph from the SW.
    Night Details
    Mostly clear. Low temperature around 53F. Dew point will be around 51F with an average humidity of 78%. Winds will be 5 mph from the SW.
  • Forecast day icon
    Monday
    Mostly Sunny
    70°
    Forecast night icon
    Night
    Partly Cloudy
    53°
    Monday 5/13
    Day
    70°
    Mostly Sunny
    Forecast day icon
    Night
    53°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 70F. Dew point will be around 55F with an average humidity of 71%. Winds will be 7 mph from the SW.
    Night Details
    Partly cloudy. Low temperature around 53F. Dew point will be around 53F with an average humidity of 85%. Winds will be 5 mph from the SW.