Grand Coulee, Washington | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
Main Menu
10 Day Forecast
  • Forecast night icon
    Night
    Mostly Clear
    46°
    Monday 5/6
    Forecast night icon
    46°
    Mostly Clear
    Hourly
    Night Details
    Mostly clear. Low temperature around 46F. Dew point will be around 35F with an average humidity of 61%. Winds will be 6 mph from the W.
  • Forecast day icon
    Tuesday
    Windy
    65°
    Forecast night icon
    Night
    Windy
    47°
    Tuesday 5/7
    Day
    65°
    Windy
    Forecast day icon
    Night
    47°
    Windy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Highs in the lower to mid 60s. Windy. West wind 15 to 25 mph with gusts up to 35 mph.
    Night Details
    Mostly clear. Lows in the mid 30s to lower 40s. Windy. Northwest wind 15 to 25 mph with gusts up to 40 mph.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    71°
    Forecast night icon
    Night
    Mostly Clear
    50°
    Wednesday 5/8
    Day
    71°
    Partly Cloudy
    Forecast day icon
    Night
    50°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Warmer. Highs in the mid 60s to lower 70s. Northwest wind 5 to 15 mph with gusts up to 30 mph.
    Night Details
    Mostly clear. Lows in the lower to mid 40s. South wind 5 to 10 mph.
  • Forecast day icon
    Thursday
    Sunny
    80°
    Forecast night icon
    Night
    Clear
    56°
    Thursday 5/9
    Day
    80°
    Sunny
    Forecast day icon
    Night
    56°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny warmer. Highs in the mid 70s to lower 80s. Northeast wind 5 to 10 mph.
    Night Details
    Clear. Lows in the mid 40s to lower 50s. Highs in the lower to mid 80s.
  • Forecast day icon
    Friday
    Sunny
    85°
    Forecast night icon
    Night
    Mostly Clear
    60°
    Friday 5/10
    Day
    85°
    Sunny
    Forecast day icon
    Night
    60°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Clear. Lows in the mid 40s to lower 50s. Highs in the lower to mid 80s.
    Night Details
    Breezy. Mostly clear. Lows in the lower to mid 50s. Highs in the 80s.
  • Forecast day icon
    Saturday
    Mostly Sunny
    87°
    Forecast night icon
    Night
    Mostly Clear
    56°
    Saturday 5/11
    Day
    87°
    Mostly Sunny
    Forecast day icon
    Night
    56°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Breezy. Mostly clear. Lows in the lower to mid 50s. Highs in the 80s.
    Night Details
    Breezy. Mostly clear. Lows in the lower to mid 50s. Highs in the 80s.
  • Forecast day icon
    Sunday
    Mostly Sunny
    81°
    Forecast night icon
    Night
    Mostly Clear
    58°
    Sunday 5/12
    Day
    81°
    Mostly Sunny
    Forecast day icon
    Night
    58°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Breezy. Mostly clear. Lows in the lower to mid 50s. Highs in the 80s.
    Night Details
    Breezy. Mostly clear. Lows in the lower to mid 50s. Highs in the 80s.
  • Forecast day icon
    Monday
    Sunny
    81°
    Forecast night icon
    Night
    Clear
    56°
    Monday 5/13
    Day
    81°
    Sunny
    Forecast day icon
    Night
    56°
    Clear
    Forecast night icon
    Day Details
    Sunny. Highs in the upper 70s to lower 80s.
    Night Details
    Clear. Low temperature around 56F. Dew point will be around 43F with an average humidity of 47%. Winds will be 3 mph from the SW.
  • Forecast day icon
    Tuesday
    Sunny
    78°
    Forecast night icon
    Night
    Clear
    54°
    Tuesday 5/14
    Day
    78°
    Sunny
    Forecast day icon
    Night
    54°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 78F. Dew point will be around 44F with an average humidity of 38%. Winds will be 3 mph from the SW.
    Night Details
    Clear. Low temperature around 54F. Dew point will be around 41F with an average humidity of 46%. Winds will be 3 mph from the W.
  • Forecast day icon
    Wednesday
    Sunny
    78°
    Forecast night icon
    Night
    Clear
    54°
    Wednesday 5/15
    Day
    78°
    Sunny
    Forecast day icon
    Night
    54°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 78F. Dew point will be around 41F with an average humidity of 35%. Winds will be 3 mph from the SW.
    Night Details
    Clear. Low temperature around 54F. Dew point will be around 38F with an average humidity of 41%. Winds will be 2 mph from the W.