Diamond Bar, California | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
Main Menu
10 Day Forecast
  • Forecast night icon
    Night
    Drizzle
    56°
    Friday 5/17
    Forecast night icon
    56°
    Drizzle
    Hourly
    Night Details
    Partly cloudy in the evening then mostly cloudy. Patchy drizzle after midnight. Lows in the mid to upper 50s.
  • Forecast day icon
    Saturday
    Drizzle
    68°
    Forecast night icon
    Night
    Cloudy
    54°
    Saturday 5/18
    Day
    68°
    Drizzle
    Forecast day icon
    Night
    54°
    Cloudy
    Forecast night icon
    Hourly
    Day Details
    Low clouds and fog with drizzle in the morning then partly cloudy. Highs in the upper 60s to mid 70s.
    Night Details
    Cloudy. Patchy fog after midnight. Lows in the lower to mid 50s.
  • Forecast day icon
    Sunday
    Partly Cloudy
    66°
    Forecast night icon
    Night
    Drizzle
    52°
    Sunday 5/19
    Day
    66°
    Partly Cloudy
    Forecast day icon
    Night
    52°
    Drizzle
    Forecast night icon
    Hourly
    Day Details
    Low clouds and fog in the morning then sunny. Highs in the upper 60s to mid 70s.
    Night Details
    Mostly clear in the evening then cloudy. Patchy drizzle after midnight. Lows in the upper 40s to mid 50s.
  • Forecast day icon
    Monday
    Drizzle
    63°
    Forecast night icon
    Night
    Partly Cloudy
    51°
    Monday 5/20
    Day
    63°
    Drizzle
    Forecast day icon
    Night
    51°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Cloudy in the morning then partly cloudy. Patchy drizzle in the morning. Highs in the mid 60s to around 70.
    Night Details
    Mostly clear in the evening then low clouds and fog. Lows in the lower 50s.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    68°
    Forecast night icon
    Night
    Partly Cloudy
    53°
    Tuesday 5/21
    Day
    68°
    Partly Cloudy
    Forecast day icon
    Night
    53°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Low clouds and fog in the morning then sunny. Highs in the lower to mid 70s.
    Night Details
    Mostly clear in the evening then low clouds and fog. Lows in the mid 50s.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    70°
    Forecast night icon
    Night
    Partly Cloudy
    51°
    Wednesday 5/22
    Day
    70°
    Partly Cloudy
    Forecast day icon
    Night
    51°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Low clouds and fog in the morning then sunny. 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
    Thursday
    Partly Cloudy
    67°
    Forecast night icon
    Night
    Partly Cloudy
    52°
    Thursday 5/23
    Day
    67°
    Partly Cloudy
    Forecast day icon
    Night
    52°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Low clouds and fog in the morning then partly cloudy. Highs in the upper 60s 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
    Friday
    Partly Cloudy
    65°
    Forecast night icon
    Night
    Partly Cloudy
    52°
    Friday 5/24
    Day
    65°
    Partly Cloudy
    Forecast day icon
    Night
    52°
    Partly Cloudy
    Forecast night icon
    Day Details
    Low clouds and fog in the morning then partly cloudy. Highs in the upper 60s to mid 70s.
    Night Details
    Partly cloudy. Low temperature around 52F. Dew point will be around 51F with an average humidity of 91%. Winds will be 7 mph from the SW.
  • Forecast day icon
    Saturday
    Mostly Cloudy
    63°
    Forecast night icon
    Night
    Partly Cloudy
    51°
    Saturday 5/25
    Day
    63°
    Mostly Cloudy
    Forecast day icon
    Night
    51°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly cloudy. High temperature around 63F. Dew point will be around 53F with an average humidity of 83%. Winds will be 8 mph from the SW.
    Night Details
    Partly cloudy. Low temperature around 51F. Dew point will be around 51F with an average humidity of 91%. Winds will be 6 mph from the SW.
  • Forecast day icon
    Sunday
    Mostly Cloudy
    65°
    Forecast night icon
    Night
    Clear
    52°
    Sunday 5/26
    Day
    65°
    Mostly Cloudy
    Forecast day icon
    Night
    52°
    Clear
    Forecast night icon
    Day Details
    Mostly cloudy. High temperature around 65F. Dew point will be around 54F with an average humidity of 81%. Winds will be 7 mph from the SW.
    Night Details
    Clear. Low temperature around 52F. Dew point will be around 52F with an average humidity of 89%. Winds will be 6 mph from the SW.