Coulee Dam, Washington | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Clear
    45°
    Sunday 5/19
    Forecast night icon
    45°
    Mostly Clear
    Hourly
    Night Details
    Mostly clear. Low temperature around 45F. Dew point will be around 39F with an average humidity of 76%. Winds will be 4 mph from the W.
  • Forecast day icon
    Monday
    Partly Cloudy
    69°
    Forecast night icon
    Night
    Partly Cloudy
    47°
    Monday 5/20
    Day
    69°
    Partly Cloudy
    Forecast day icon
    Night
    47°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny in the morning becoming partly cloudy. Highs in the upper 60s to lower 70s. Northwest wind 5 to 15 mph.
    Night Details
    Partly cloudy. Lows in the lower to mid 40s. West wind 5 to 15 mph with gusts up to 20 mph.
  • Forecast day icon
    Tuesday
    Mostly Cloudy
    60°
    Forecast night icon
    Night
    50% Chance Rain Showers
    51°
    Tuesday 5/21
    Day
    60°
    Mostly Cloudy
    Forecast day icon
    Night
    51°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 20 percent chance of rain showers. Highs in the lower to mid 60s. Southwest wind 5 to 15 mph with gusts up to 25 mph.
    Night Details
    Cloudy with a 50 percent chance of rain showers. Lows in the lower to mid 40s. Southwest wind 5 to 15 mph with gusts up to 25 mph.
  • Forecast day icon
    Wednesday
    70% Chance Rain Showers
    54°
    Forecast night icon
    Night
    50% Chance Rain Showers
    48°
    Wednesday 5/22
    Day
    54°
    70% Chance Rain Showers
    Forecast day icon
    Night
    48°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Rain showers likely. Highs in the mid to upper 50s. Southwest wind 5 to 15 mph with gusts up to 20 mph. Chance of precipitation 70 percent.
    Night Details
    Mostly cloudy with a 50 percent chance of rain showers. Lows in the lower 40s.
  • Forecast day icon
    Thursday
    Partly Cloudy
    67°
    Forecast night icon
    Night
    Mostly Cloudy
    50°
    Thursday 5/23
    Day
    67°
    Partly Cloudy
    Forecast day icon
    Night
    50°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Warmer. Partly cloudy with a 20 percent chance of rain showers. Highs in the mid to upper 60s.
    Night Details
    Mostly cloudy. Lows in the lower to mid 40s.
  • Forecast day icon
    Friday
    40% Chance Rain Showers
    64°
    Forecast night icon
    Night
    Partly Cloudy
    47°
    Friday 5/24
    Day
    64°
    40% Chance Rain Showers
    Forecast day icon
    Night
    47°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 40 percent chance of rain showers. Highs in the mid to upper 60s.
    Night Details
    Partly cloudy with a 20 percent chance of rain showers. Lows in the lower 40s. Highs in the lower to mid 60s.
  • Forecast day icon
    Saturday
    Partly Cloudy
    65°
    Forecast night icon
    Night
    Partly Cloudy
    48°
    Saturday 5/25
    Day
    65°
    Partly Cloudy
    Forecast day icon
    Night
    48°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with a 20 percent chance of rain showers. Lows in the lower 40s. Highs in the lower to mid 60s.
    Night Details
    Partly cloudy. Lows in the upper 30s to lower 40s. Highs in the mid 60s to lower 70s.
  • Forecast day icon
    Sunday
    Partly Cloudy
    63°
    Forecast night icon
    Night
    Mostly Clear
    50°
    Sunday 5/26
    Day
    63°
    Partly Cloudy
    Forecast day icon
    Night
    50°
    Mostly Clear
    Forecast night icon
    Day Details
    Partly cloudy. Lows in the upper 30s to lower 40s. Highs in the mid 60s to lower 70s.
    Night Details
    Mostly clear. Low temperature around 50F. Dew point will be around 39F with an average humidity of 53%. Winds will be 4 mph from the S.
  • Forecast day icon
    Monday
    Mostly Sunny
    73°
    Forecast night icon
    Night
    Partly Cloudy
    55°
    Monday 5/27
    Day
    73°
    Mostly Sunny
    Forecast day icon
    Night
    55°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 73F. Dew point will be around 43F with an average humidity of 48%. Winds will be 2 mph from the SW.
    Night Details
    Partly cloudy. Low temperature around 55F. Dew point will be around 43F with an average humidity of 51%. Winds will be 2 mph from the E.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    79°
    Forecast night icon
    Night
    Partly Cloudy
    59°
    Tuesday 5/28
    Day
    79°
    Partly Cloudy
    Forecast day icon
    Night
    59°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly cloudy. High temperature around 79F. Dew point will be around 45F with an average humidity of 43%. Winds will be 2 mph from the S.
    Night Details
    Partly cloudy. Low temperature around 59F. Dew point will be around 44F with an average humidity of 45%. Winds will be 2 mph from the SW.
  • Forecast day icon
    Wednesday
    Mostly Sunny
    79°
    Forecast night icon
    Night
    Mostly Clear
    58°
    Wednesday 5/29
    Day
    79°
    Mostly Sunny
    Forecast day icon
    Night
    58°
    Mostly Clear
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 79F. Dew point will be around 48F with an average humidity of 43%. Winds will be 2 mph from the SW.
    Night Details
    Mostly clear. Low temperature around 58F. Dew point will be around 46F with an average humidity of 51%. Winds will be 3 mph from the SW.