Saint John, Washington | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    60% Chance of Rain
    36°
    Monday 5/6
    Forecast night icon
    36°
    60% Chance of Rain
    Hourly
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 60%. Low temperature around 36F. Dew point will be around 35F with an average humidity of 82%. Winds will be 12 mph from the SW.
  • Forecast day icon
    Tuesday
    Windy
    56°
    Forecast night icon
    Night
    Mostly Cloudy
    37°
    Tuesday 5/7
    Day
    56°
    Windy
    Forecast day icon
    Night
    37°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Highs in the lower 50s to lower 60s. Windy. West wind 15 to 25 mph with gusts up to 40 mph.
    Night Details
    Mostly cloudy. Lows in the mid to upper 30s. Breezy. West wind 10 to 20 mph with gusts up to 35 mph.
  • Forecast day icon
    Wednesday
    Mostly Cloudy
    60°
    Forecast night icon
    Night
    Partly Cloudy
    41°
    Wednesday 5/8
    Day
    60°
    Mostly Cloudy
    Forecast day icon
    Night
    41°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Warmer. Highs in the upper 50s to mid 60s. West wind 5 to 15 mph. Gusts up to 30 mph decreasing to 20 mph in the afternoon.
    Night Details
    Partly cloudy. Lows in the upper 30s to lower 40s. South wind 5 to 10 mph.
  • Forecast day icon
    Thursday
    Sunny
    72°
    Forecast night icon
    Night
    Clear
    47°
    Thursday 5/9
    Day
    72°
    Sunny
    Forecast day icon
    Night
    47°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny warmer. Highs in the lower to mid 70s. East wind 5 to 10 mph.
    Night Details
    Clear. Lows in the mid 40s to lower 50s. Highs in the mid 70s to lower 80s.
  • Forecast day icon
    Friday
    Sunny
    76°
    Forecast night icon
    Night
    Clear
    51°
    Friday 5/10
    Day
    76°
    Sunny
    Forecast day icon
    Night
    51°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Clear. Lows in the mid 40s to lower 50s. Highs in the mid 70s to lower 80s.
    Night Details
    Clear. Lows in the mid 40s to lower 50s. Highs in the mid 70s to lower 80s.
  • Forecast day icon
    Saturday
    Sunny
    78°
    Forecast night icon
    Night
    Mostly Clear
    55°
    Saturday 5/11
    Day
    78°
    Sunny
    Forecast day icon
    Night
    55°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Clear. Lows in the mid 40s to lower 50s. Highs in the mid 70s to lower 80s.
    Night Details
    Mostly clear. Lows in the lower to mid 50s. Highs in the upper 70s to lower 80s.
  • Forecast day icon
    Sunday
    Mostly Sunny
    77°
    Forecast night icon
    Night
    Mostly Clear
    51°
    Sunday 5/12
    Day
    77°
    Mostly Sunny
    Forecast day icon
    Night
    51°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Lows in the lower to mid 50s. Highs in the upper 70s to lower 80s.
    Night Details
    Mostly clear. Lows in the lower to mid 50s. Highs in the upper 70s to lower 80s.
  • Forecast day icon
    Monday
    Sunny
    71°
    Forecast night icon
    Night
    Clear
    49°
    Monday 5/13
    Day
    71°
    Sunny
    Forecast day icon
    Night
    49°
    Clear
    Forecast night icon
    Day Details
    Breezy sunny. Highs in the 70s.
    Night Details
    Clear. Low temperature around 49F. Dew point will be around 42F with an average humidity of 58%. Winds will be 6 mph from the S.
  • Forecast day icon
    Tuesday
    Sunny
    70°
    Forecast night icon
    Night
    Clear
    48°
    Tuesday 5/14
    Day
    70°
    Sunny
    Forecast day icon
    Night
    48°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 70F. Dew point will be around 43F with an average humidity of 50%. Winds will be 10 mph from the SW.
    Night Details
    Clear. Low temperature around 48F. Dew point will be around 40F with an average humidity of 57%. Winds will be 5 mph from the SW.
  • Forecast day icon
    Wednesday
    Sunny
    70°
    Forecast night icon
    Night
    Clear
    48°
    Wednesday 5/15
    Day
    70°
    Sunny
    Forecast day icon
    Night
    48°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 70F. Dew point will be around 41F with an average humidity of 47%. Winds will be 7 mph from the SW.
    Night Details
    Clear. Low temperature around 48F. Dew point will be around 39F with an average humidity of 54%. Winds will be 4 mph from the SE.