Grand Coulee, Washington | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Friday
    Mostly Sunny
    57°
    Forecast night icon
    Night
    Mostly Clear
    36°
    Friday 3/29
    Day
    57°
    Mostly Sunny
    Forecast day icon
    Night
    36°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the 50s. South wind 5 to 10 mph.
    Night Details
    Mostly clear. Lows in the lower to mid 30s. North wind 5 to 10 mph.
  • Forecast day icon
    Saturday
    Sunny
    60°
    Forecast night icon
    Night
    Partly Cloudy
    38°
    Saturday 3/30
    Day
    60°
    Sunny
    Forecast day icon
    Night
    38°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid 50s to lower 60s. North wind 5 to 15 mph.
    Night Details
    Partly cloudy. Lows in the 30s. Northwest wind 5 to 10 mph.
  • Forecast day icon
    Sunday
    Sunny
    63°
    Forecast night icon
    Night
    Mostly Clear
    43°
    Sunday 3/31
    Day
    63°
    Sunny
    Forecast day icon
    Night
    43°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the upper 50s to mid 60s. North wind 5 to 15 mph with gusts up to 30 mph.
    Night Details
    Mostly clear. Lows in the mid 30s to lower 40s. Highs in the mid to upper 60s.
  • Forecast day icon
    Monday
    Mostly Sunny
    69°
    Forecast night icon
    Night
    Mostly Clear
    49°
    Monday 4/1
    Day
    69°
    Mostly Sunny
    Forecast day icon
    Night
    49°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Lows in the mid 30s to lower 40s. Highs in the mid to upper 60s.
    Night Details
    Mostly clear. Lows in the mid 30s to lower 40s. Highs in the mid to upper 60s.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    75°
    Forecast night icon
    Night
    Mostly Clear
    50°
    Tuesday 4/2
    Day
    75°
    Mostly Sunny
    Forecast day icon
    Night
    50°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Highs in the lower to mid 70s. Lows in the upper 30s to mid 40s.
    Night Details
    Mostly clear. Highs in the lower to mid 70s. Lows in the upper 30s to mid 40s.
  • Forecast day icon
    Wednesday
    Mostly Sunny
    55°
    Forecast night icon
    Night
    Partly Cloudy
    33°
    Wednesday 4/3
    Day
    55°
    Mostly Sunny
    Forecast day icon
    Night
    33°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Cooler. Mostly sunny with a 20 percent chance of rain. Highs in the lower to mid 60s.
    Night Details
    Breezy. Partly cloudy. Lows in the mid 30s.
  • Forecast day icon
    Thursday
    Partly Sunny
    53°
    Forecast night icon
    Night
    Partly Cloudy
    37°
    Thursday 4/4
    Day
    53°
    Partly Sunny
    Forecast day icon
    Night
    37°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly sunny with a 20 percent chance of rain. Highs in the lower to mid 50s.
    Night Details
    Partly cloudy. Low temperature around 37F. Dew point will be around 26F with an average humidity of 55%. Winds will be 3 mph from the N.
  • Forecast day icon
    Friday
    Mostly Sunny
    59°
    Forecast night icon
    Night
    Partly Cloudy
    39°
    Friday 4/5
    Day
    59°
    Mostly Sunny
    Forecast day icon
    Night
    39°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 59F. Dew point will be around 27F with an average humidity of 42%. Winds will be 2 mph from the N.
    Night Details
    Partly cloudy. Low temperature around 39F. Dew point will be around 27F with an average humidity of 50%. Winds will be 2 mph from the SE.
  • Forecast day icon
    Saturday
    Mostly Cloudy
    58°
    Forecast night icon
    Night
    Cloudy
    40°
    Saturday 4/6
    Day
    58°
    Mostly Cloudy
    Forecast day icon
    Night
    40°
    Cloudy
    Forecast night icon
    Day Details
    Mostly cloudy. High temperature around 58F. Dew point will be around 30F with an average humidity of 44%. Winds will be 5 mph from the S.
    Night Details
    Cloudy. Low temperature around 40F. Dew point will be around 31F with an average humidity of 57%. Winds will be 3 mph from the S.
  • Forecast day icon
    Sunday
    Cloudy
    59°
    Forecast night icon
    Night
    Partly Cloudy
    40°
    Sunday 4/7
    Day
    59°
    Cloudy
    Forecast day icon
    Night
    40°
    Partly Cloudy
    Forecast night icon
    Day Details
    Cloudy. High temperature around 59F. Dew point will be around 32F with an average humidity of 47%. Winds will be 4 mph from the SW.
    Night Details
    Partly cloudy. Low temperature around 40F. Dew point will be around 32F with an average humidity of 58%. Winds will be 2 mph from the SW.