Grand Coulee, Washington | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Wednesday
    Partly Cloudy
    71°
    Forecast night icon
    Night
    Partly Cloudy
    48°
    Wednesday 4/24
    Day
    71°
    Partly Cloudy
    Forecast day icon
    Night
    48°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. High temperature around 71F. Dew point will be around 39F with an average humidity of 42%. Winds will be 5 mph from the SW.
    Night Details
    Partly cloudy. Lows in the upper 30s to mid 40s. West wind 5 to 15 mph with gusts up to 25 mph.
  • Forecast day icon
    Thursday
    50% Chance Rain Showers
    64°
    Forecast night icon
    Night
    50% Chance Rain Showers
    53°
    Thursday 4/25
    Day
    64°
    50% Chance Rain Showers
    Forecast day icon
    Night
    53°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A chance of rain showers in the afternoon. Highs in the upper 50s to lower 60s. Southwest wind 5 to 15 mph. Gusts up to 25 mph in the afternoon. Chance of precipitation 50 percent. Rainfall amounts less than a tenth of an inch.
    Night Details
    Cloudy with a 50 percent chance of rain showers. Lows in the lower to mid 40s. South wind 5 to 15 mph with gusts up to 25 mph. Rainfall amounts less than a tenth of an inch.
  • Forecast day icon
    Friday
    50% Chance Rain Showers
    63°
    Forecast night icon
    Night
    Mostly Cloudy
    50°
    Friday 4/26
    Day
    63°
    50% Chance Rain Showers
    Forecast day icon
    Night
    50°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 50 percent chance of rain showers. Highs in the upper 50s to mid 60s. South wind 5 to 10 mph.
    Night Details
    Mostly cloudy with a 20 percent chance of rain showers. Lows in the lower to mid 40s. Southwest wind 5 to 10 mph.
  • Forecast day icon
    Saturday
    Mostly Cloudy
    65°
    Forecast night icon
    Night
    Mostly Cloudy
    47°
    Saturday 4/27
    Day
    65°
    Mostly Cloudy
    Forecast day icon
    Night
    47°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 20 percent chance of rain showers. Highs in the lower to mid 60s.
    Night Details
    Breezy. Mostly cloudy. Lows in the upper 30s to lower 40s. Highs in the upper 50s to mid 60s.
  • Forecast day icon
    Sunday
    Mostly Cloudy
    67°
    Forecast night icon
    Night
    Mostly Cloudy
    51°
    Sunday 4/28
    Day
    67°
    Mostly Cloudy
    Forecast day icon
    Night
    51°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Breezy. Mostly cloudy. Lows in the upper 30s to lower 40s. Highs in the upper 50s to mid 60s.
    Night Details
    Breezy. Mostly cloudy. Lows in the upper 30s to lower 40s. Highs in the upper 50s to mid 60s.
  • Forecast day icon
    Monday
    Mostly Cloudy
    63°
    Forecast night icon
    Night
    Partly Cloudy
    42°
    Monday 4/29
    Day
    63°
    Mostly Cloudy
    Forecast day icon
    Night
    42°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Breezy. Mostly cloudy. Lows in the upper 30s to lower 40s. Highs in the upper 50s to mid 60s.
    Night Details
    Partly cloudy. Lows in the mid 30s to lower 40s. Highs in the lower to mid 60s.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    59°
    Forecast night icon
    Night
    Partly Cloudy
    45°
    Tuesday 4/30
    Day
    59°
    Partly Cloudy
    Forecast day icon
    Night
    45°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly cloudy. Lows in the mid 30s to lower 40s. Highs in the lower to mid 60s.
    Night Details
    Partly cloudy. Lows in the mid 30s to lower 40s. Highs in the lower to mid 60s.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    63°
    Forecast night icon
    Night
    30% Chance of Rain
    48°
    Wednesday 5/1
    Day
    63°
    Partly Cloudy
    Forecast day icon
    Night
    48°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a 20 percent chance of rain showers. Highs in the 60s.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 48F. Dew point will be around 37F with an average humidity of 57%. Winds will be 2 mph from the NE.
  • Forecast day icon
    Thursday
    40% Chance of Rain
    63°
    Forecast night icon
    Night
    30% Chance of Rain
    47°
    Thursday 5/2
    Day
    63°
    40% Chance of Rain
    Forecast day icon
    Night
    47°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 63F. Dew point will be around 39F with an average humidity of 48%. Winds will be 2 mph from the SW.
    Night Details
    Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 47F. Dew point will be around 39F with an average humidity of 63%. Winds will be 1 mph from the SW.
  • Forecast day icon
    Friday
    30% Chance of Rain
    64°
    Forecast night icon
    Night
    Mostly Clear
    48°
    Friday 5/3
    Day
    64°
    30% Chance of Rain
    Forecast day icon
    Night
    48°
    Mostly Clear
    Forecast night icon
    Day Details
    Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 64F. Dew point will be around 39F with an average humidity of 48%. Winds will be 4 mph from the S.
    Night Details
    Mostly clear. Low temperature around 48F. Dew point will be around 38F with an average humidity of 58%. Winds will be 1 mph from the SW.