Grand Coulee, Washington | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Cloudy
    52°
    Thursday 4/25
    Forecast night icon
    52°
    Mostly Cloudy
    Hourly
    Night Details
    Mostly cloudy with a 20 percent chance of rain showers. Lows in the lower to mid 40s. South wind 5 to 15 mph with gusts up to 20 mph.
  • Forecast day icon
    Friday
    Mostly Cloudy
    65°
    Forecast night icon
    Night
    Partly Cloudy
    54°
    Friday 4/26
    Day
    65°
    Mostly Cloudy
    Forecast day icon
    Night
    54°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 20 percent chance of rain showers. Highs in the lower to mid 60s. South wind 5 to 10 mph.
    Night Details
    Partly cloudy. Lows in the lower to mid 40s. Southwest wind 5 to 10 mph.
  • Forecast day icon
    Saturday
    Partly Cloudy
    67°
    Forecast night icon
    Night
    Mostly Cloudy
    46°
    Saturday 4/27
    Day
    67°
    Partly Cloudy
    Forecast day icon
    Night
    46°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Highs in the lower to mid 60s. South wind 5 to 15 mph with gusts up to 25 mph.
    Night Details
    Mostly cloudy. Lows in the upper 30s to lower 40s. Southwest wind 5 to 15 mph with gusts up to 25 mph.
  • Forecast day icon
    Sunday
    Windy
    66°
    Forecast night icon
    Night
    Windy
    46°
    Sunday 4/28
    Day
    66°
    Windy
    Forecast day icon
    Night
    46°
    Windy
    Forecast night icon
    Hourly
    Day Details
    Windy. Partly cloudy. Highs in the upper 50s to mid 60s. Lows in the lower 30s to lower 40s.
    Night Details
    Windy. Partly cloudy. Highs in the upper 50s to mid 60s. Lows in the lower 30s to lower 40s.
  • Forecast day icon
    Monday
    Windy
    60°
    Forecast night icon
    Night
    Windy
    39°
    Monday 4/29
    Day
    60°
    Windy
    Forecast day icon
    Night
    39°
    Windy
    Forecast night icon
    Hourly
    Day Details
    Windy. Partly cloudy. Highs in the upper 50s to mid 60s. Lows in the lower 30s to lower 40s.
    Night Details
    Windy. Partly cloudy. Highs in the upper 50s to mid 60s. Lows in the lower 30s to lower 40s.
  • Forecast day icon
    Tuesday
    Windy
    61°
    Forecast night icon
    Night
    Windy
    46°
    Tuesday 4/30
    Day
    61°
    Windy
    Forecast day icon
    Night
    46°
    Windy
    Forecast night icon
    Hourly
    Day Details
    Windy. Partly cloudy. Highs in the upper 50s to mid 60s. Lows in the lower 30s to lower 40s.
    Night Details
    Windy. Partly cloudy. Highs in the upper 50s to mid 60s. Lows in the lower 30s to lower 40s.
  • Forecast day icon
    Wednesday
    Mostly Cloudy
    70°
    Forecast night icon
    Night
    Mostly Cloudy
    50°
    Wednesday 5/1
    Day
    70°
    Mostly Cloudy
    Forecast day icon
    Night
    50°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Highs in the mid 60s to lower 70s.
    Night Details
    Mostly cloudy with a 20 percent chance of rain showers. Lows in the lower to mid 40s. Highs in the 60s.
  • Forecast day icon
    Thursday
    Mostly Cloudy
    66°
    Forecast night icon
    Night
    Cloudy
    51°
    Thursday 5/2
    Day
    66°
    Mostly Cloudy
    Forecast day icon
    Night
    51°
    Cloudy
    Forecast night icon
    Day Details
    Mostly cloudy with a 20 percent chance of rain showers. Lows in the lower to mid 40s. Highs in the 60s.
    Night Details
    Cloudy. Low temperature around 51F. Dew point will be around 41F with an average humidity of 59%. Winds will be 2 mph from the W.
  • Forecast day icon
    Friday
    30% Chance of Rain
    66°
    Forecast night icon
    Night
    Mostly Cloudy
    50°
    Friday 5/3
    Day
    66°
    30% Chance of Rain
    Forecast day icon
    Night
    50°
    Mostly Cloudy
    Forecast night icon
    Day Details
    Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 66F. Dew point will be around 42F with an average humidity of 49%. Winds will be 2 mph from the W.
    Night Details
    Mostly cloudy. Low temperature around 50F. Dew point will be around 41F with an average humidity of 60%. Winds will be 1 mph from the SW.
  • Forecast day icon
    Saturday
    Mostly Cloudy
    69°
    Forecast night icon
    Night
    Clear
    51°
    Saturday 5/4
    Day
    69°
    Mostly Cloudy
    Forecast day icon
    Night
    51°
    Clear
    Forecast night icon
    Day Details
    Mostly cloudy. High temperature around 69F. Dew point will be around 42F with an average humidity of 47%. Winds will be 2 mph from the W.
    Night Details
    Clear. Low temperature around 51F. Dew point will be around 40F with an average humidity of 55%. Winds will be 2 mph from the SW.