Saint John, Washington | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    40% Chance Rain Showers
    31°
    Wednesday 4/17
    Forecast night icon
    31°
    40% Chance Rain Showers
    Hourly
    Night Details
    Partly cloudy. A chance of rain showers in the evening. Widespread frost overnight. Lows in the upper 20s to lower 30s. Northeast wind 5 to 10 mph. Chance of precipitation 40 percent.
  • Forecast day icon
    Thursday
    Partly Cloudy
    53°
    Forecast night icon
    Night
    Mostly Clear
    34°
    Thursday 4/18
    Day
    53°
    Partly Cloudy
    Forecast day icon
    Night
    34°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny in the morning becoming partly cloudy. Widespread frost in the morning. Highs in the lower 50s to lower 60s. Northeast wind 5 to 10 mph.
    Night Details
    Mostly clear. Lows in the lower to mid 30s. Northeast wind 5 to 10 mph. Gusts up to 20 mph overnight.
  • Forecast day icon
    Friday
    Sunny
    57°
    Forecast night icon
    Night
    Mostly Clear
    35°
    Friday 4/19
    Day
    57°
    Sunny
    Forecast day icon
    Night
    35°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid 50s to mid 60s. East wind 5 to 15 mph with gusts up to 30 mph.
    Night Details
    Mostly clear. Lows in the lower to mid 30s. Northeast wind 5 to 15 mph with gusts up to 25 mph.
  • Forecast day icon
    Saturday
    Sunny
    62°
    Forecast night icon
    Night
    50% Chance Rain Showers
    41°
    Saturday 4/20
    Day
    62°
    Sunny
    Forecast day icon
    Night
    41°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower to mid 60s.
    Night Details
    Mostly cloudy with a 50 percent chance of rain showers. Lows in the upper 30s to lower 40s.
  • Forecast day icon
    Sunday
    Windy
    55°
    Forecast night icon
    Night
    Partly Cloudy
    36°
    Sunday 4/21
    Day
    55°
    Windy
    Forecast day icon
    Night
    36°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Windy. Partly cloudy with a 20 percent chance of rain showers. Highs in the lower 50s to lower 60s.
    Night Details
    Partly cloudy. Lows in the mid 30s. Highs in the lower to mid 60s.
  • Forecast day icon
    Monday
    Partly Cloudy
    61°
    Forecast night icon
    Night
    Mostly Cloudy
    41°
    Monday 4/22
    Day
    61°
    Partly Cloudy
    Forecast day icon
    Night
    41°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Lows in the mid 30s. Highs in the lower to mid 60s.
    Night Details
    Mostly cloudy. Lows in the upper 30s to lower 40s. Highs in the mid to upper 60s.
  • Forecast day icon
    Tuesday
    Mostly Cloudy
    65°
    Forecast night icon
    Night
    Partly Cloudy
    40°
    Tuesday 4/23
    Day
    65°
    Mostly Cloudy
    Forecast day icon
    Night
    40°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Lows in the upper 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. Highs in the 60s.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    62°
    Forecast night icon
    Night
    Partly Cloudy
    42°
    Wednesday 4/24
    Day
    62°
    Partly Cloudy
    Forecast day icon
    Night
    42°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly cloudy with a 20 percent chance of rain showers. Lows in the lower to mid 40s. Highs in the 60s.
    Night Details
    Partly cloudy. Low temperature around 42F. Dew point will be around 37F with an average humidity of 65%. Winds will be 4 mph from the S.
  • Forecast day icon
    Thursday
    Mostly Cloudy
    62°
    Forecast night icon
    Night
    Partly Cloudy
    42°
    Thursday 4/25
    Day
    62°
    Mostly Cloudy
    Forecast day icon
    Night
    42°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly cloudy. High temperature around 62F. Dew point will be around 40F with an average humidity of 56%. Winds will be 6 mph from the SW.
    Night Details
    Partly cloudy. Low temperature around 42F. Dew point will be around 38F with an average humidity of 65%. Winds will be 4 mph from the S.
  • Forecast day icon
    Friday
    30% Chance of Rain
    61°
    Forecast night icon
    Night
    Partly Cloudy
    42°
    Friday 4/26
    Day
    61°
    30% Chance of Rain
    Forecast day icon
    Night
    42°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 61F. Dew point will be around 40F with an average humidity of 58%. Winds will be 7 mph from the SW.
    Night Details
    Partly cloudy. Low temperature around 42F. Dew point will be around 39F with an average humidity of 70%. Winds will be 7 mph from the SW.