Grand Coulee, Washington | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Monday
    40% Chance of Rain
    59°
    Forecast night icon
    Night
    Mostly Cloudy
    41°
    Monday 4/29
    Day
    59°
    40% Chance of Rain
    Forecast day icon
    Night
    41°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 59F. Dew point will be around 28F with an average humidity of 61%. Winds will be 7 mph from the SW.
    Night Details
    Mostly cloudy. A chance of rain showers in the evening. Patchy blowing dust in the evening. Lows in the lower to mid 30s. West wind 5 to 15 mph. Gusts up to 30 mph in the evening. Chance of precipitation 20 percent.
  • Forecast day icon
    Tuesday
    Mostly Cloudy
    59°
    Forecast night icon
    Night
    Mostly Cloudy
    44°
    Tuesday 4/30
    Day
    59°
    Mostly Cloudy
    Forecast day icon
    Night
    44°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A chance of rain showers in the afternoon. Highs in the 50s. Southwest wind 5 to 15 mph with gusts up to 20 mph. Chance of precipitation 20 percent.
    Night Details
    Mostly cloudy. Lows in the 30s. West wind 5 to 15 mph with gusts up to 20 mph.
  • Forecast day icon
    Wednesday
    Sunny
    65°
    Forecast night icon
    Night
    Partly Cloudy
    45°
    Wednesday 5/1
    Day
    65°
    Sunny
    Forecast day icon
    Night
    45°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny warmer. Highs in the lower to mid 60s. West wind 5 to 15 mph with gusts up to 20 mph.
    Night Details
    Partly cloudy. Lows in the mid 30s to lower 40s. Southwest wind 5 to 10 mph with gusts up to 20 mph.
  • Forecast day icon
    Thursday
    30% Chance Rain Showers
    67°
    Forecast night icon
    Night
    Partly Cloudy
    48°
    Thursday 5/2
    Day
    67°
    30% Chance Rain Showers
    Forecast day icon
    Night
    48°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 30 percent chance of rain showers. Highs in the lower 60s.
    Night Details
    Partly cloudy. Lows in the mid 30s to lower 40s. Highs in the mid to upper 60s.
  • Forecast day icon
    Friday
    Partly Cloudy
    72°
    Forecast night icon
    Night
    Partly Cloudy
    57°
    Friday 5/3
    Day
    72°
    Partly Cloudy
    Forecast day icon
    Night
    57°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Lows in the mid 30s to lower 40s. Highs in the mid to upper 60s.
    Night Details
    Partly cloudy with a 20 percent chance of rain showers. Lows in the lower to mid 40s.
  • Forecast day icon
    Saturday
    40% Chance Rain Showers
    66°
    Forecast night icon
    Night
    Mostly Cloudy
    52°
    Saturday 5/4
    Day
    66°
    40% Chance Rain Showers
    Forecast day icon
    Night
    52°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 40 percent chance of rain showers. 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 mid 60s to lower 70s.
  • Forecast day icon
    Sunday
    Mostly Cloudy
    60°
    Forecast night icon
    Night
    Mostly Cloudy
    52°
    Sunday 5/5
    Day
    60°
    Mostly Cloudy
    Forecast day icon
    Night
    52°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 20 percent chance of rain showers. Lows in the lower to mid 40s. 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 mid 60s to lower 70s.
  • Forecast day icon
    Monday
    50% Chance Rain Showers
    65°
    Forecast night icon
    Night
    30% Chance of Rain
    47°
    Monday 5/6
    Day
    65°
    50% Chance Rain Showers
    Forecast day icon
    Night
    47°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a 50 percent chance of rain showers. Highs in the lower to mid 60s.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 47F. Dew point will be around 38F with an average humidity of 60%. Winds will be 6 mph from the SW.
  • Forecast day icon
    Tuesday
    40% Chance of Rain
    61°
    Forecast night icon
    Night
    Cloudy
    45°
    Tuesday 5/7
    Day
    61°
    40% Chance of Rain
    Forecast day icon
    Night
    45°
    Cloudy
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 61F. Dew point will be around 37F with an average humidity of 48%. Winds will be 6 mph from the W.
    Night Details
    Cloudy. Low temperature around 45F. Dew point will be around 35F with an average humidity of 57%. Winds will be 3 mph from the W.
  • Forecast day icon
    Wednesday
    30% Chance of Rain
    62°
    Forecast night icon
    Night
    Partly Cloudy
    46°
    Wednesday 5/8
    Day
    62°
    30% Chance of Rain
    Forecast day icon
    Night
    46°
    Partly Cloudy
    Forecast night icon
    Day Details
    Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 62F. Dew point will be around 37F with an average humidity of 48%. Winds will be 4 mph from the SW.
    Night Details
    Partly cloudy. Low temperature around 46F. Dew point will be around 36F with an average humidity of 58%. Winds will be 2 mph from the SW.