Diamond Bar, California | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Wednesday
    Mostly Sunny
    66°
    Forecast night icon
    Night
    Drizzle
    51°
    Wednesday 4/24
    Day
    66°
    Mostly Sunny
    Forecast day icon
    Night
    51°
    Drizzle
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. High temperature around 66F. Dew point will be around 51F with an average humidity of 67%. Winds will be 8 mph from the SW.
    Night Details
    Mostly cloudy. Patchy drizzle after midnight. Lows in the upper 40s to mid 50s. Southwest winds around 15 mph in the evening.
  • Forecast day icon
    Thursday
    Drizzle
    58°
    Forecast night icon
    Night
    Cloudy
    50°
    Thursday 4/25
    Day
    58°
    Drizzle
    Forecast day icon
    Night
    50°
    Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Patchy drizzle in the morning. Highs in the lower to mid 60s.
    Night Details
    Cloudy. Patchy fog after midnight. Lows in the lower 50s. Southwest winds around 15 mph in the evening.
  • Forecast day icon
    Friday
    Partly Cloudy
    62°
    Forecast night icon
    Night
    Partly Cloudy
    50°
    Friday 4/26
    Day
    62°
    Partly Cloudy
    Forecast day icon
    Night
    50°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Low clouds and fog in the morning then partly cloudy. Highs in the mid 60s to around 70. Southwest winds around 15 mph in the afternoon.
    Night Details
    Partly cloudy in the evening then mostly clear. Lows around 50. Southwest winds around 15 mph in the evening.
  • Forecast day icon
    Saturday
    Sunny
    67°
    Forecast night icon
    Night
    Mostly Clear
    50°
    Saturday 4/27
    Day
    67°
    Sunny
    Forecast day icon
    Night
    50°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower to mid 70s.
    Night Details
    Mostly clear. Lows in the lower 50s.
  • Forecast day icon
    Sunday
    Sunny
    73°
    Forecast night icon
    Night
    Clear
    54°
    Sunday 4/28
    Day
    73°
    Sunny
    Forecast day icon
    Night
    54°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid to upper 70s.
    Night Details
    Clear. Lows in the mid 50s.
  • Forecast day icon
    Monday
    Sunny
    78°
    Forecast night icon
    Night
    Mostly Clear
    54°
    Monday 4/29
    Day
    78°
    Sunny
    Forecast day icon
    Night
    54°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs around 80.
    Night Details
    Mostly clear. Lows in the mid 50s.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    77°
    Forecast night icon
    Night
    Mostly Clear
    55°
    Tuesday 4/30
    Day
    77°
    Partly Cloudy
    Forecast day icon
    Night
    55°
    Mostly Clear
    Forecast night icon
    Day Details
    Partly cloudy. Highs in the upper 70s to mid 80s.
    Night Details
    Mostly clear. Lows in the mid 50s.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    74°
    Forecast night icon
    Night
    Clear
    53°
    Wednesday 5/1
    Day
    74°
    Partly Cloudy
    Forecast day icon
    Night
    53°
    Clear
    Forecast night icon
    Day Details
    Partly cloudy in the morning then sunny. Highs in the mid 70s to around 80.
    Night Details
    Clear. Low temperature around 53F. Dew point will be around 50F with an average humidity of 76%. Winds will be 5 mph from the SW.
  • Forecast day icon
    Thursday
    Sunny
    70°
    Forecast night icon
    Night
    Clear
    53°
    Thursday 5/2
    Day
    70°
    Sunny
    Forecast day icon
    Night
    53°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 70F. Dew point will be around 52F with an average humidity of 64%. Winds will be 7 mph from the SW.
    Night Details
    Clear. Low temperature around 53F. Dew point will be around 48F with an average humidity of 71%. Winds will be 4 mph from the SW.
  • Forecast day icon
    Friday
    Sunny
    70°
    Forecast night icon
    Night
    Clear
    52°
    Friday 5/3
    Day
    70°
    Sunny
    Forecast day icon
    Night
    52°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 70F. Dew point will be around 48F with an average humidity of 55%. Winds will be 6 mph from the SW.
    Night Details
    Clear. Low temperature around 52F. Dew point will be around 45F with an average humidity of 65%. Winds will be 4 mph from the SW.