Saint John, Washington | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Thursday
    Sunny
    72°
    Forecast night icon
    Night
    Mostly Clear
    49°
    Thursday 5/9
    Day
    72°
    Sunny
    Forecast day icon
    Night
    49°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the 70s. Northeast wind 5 to 15 mph.
    Night Details
    Mostly clear. Lows in the mid to upper 40s. Northeast wind 5 to 10 mph.
  • Forecast day icon
    Friday
    Sunny
    76°
    Forecast night icon
    Night
    Clear
    50°
    Friday 5/10
    Day
    76°
    Sunny
    Forecast day icon
    Night
    50°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid 70s to lower 80s. East wind 5 to 10 mph.
    Night Details
    Clear. Lows in the upper 40s to lower 50s. Light wind.
  • Forecast day icon
    Saturday
    Sunny
    79°
    Forecast night icon
    Night
    Mostly Clear
    55°
    Saturday 5/11
    Day
    79°
    Sunny
    Forecast day icon
    Night
    55°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the upper 70s to mid 80s. South wind 5 to 10 mph.
    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
    78°
    Forecast night icon
    Night
    Mostly Clear
    53°
    Sunday 5/12
    Day
    78°
    Mostly Sunny
    Forecast day icon
    Night
    53°
    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
    Mostly Sunny
    70°
    Forecast night icon
    Night
    Mostly Clear
    47°
    Monday 5/13
    Day
    70°
    Mostly Sunny
    Forecast day icon
    Night
    47°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Breezy. Mostly clear. Highs in the upper 60s to mid 70s. Lows in the mid 40s to mid 50s.
    Night Details
    Breezy. Mostly clear. Highs in the upper 60s to mid 70s. Lows in the mid 40s to mid 50s.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    70°
    Forecast night icon
    Night
    Mostly Clear
    48°
    Tuesday 5/14
    Day
    70°
    Mostly Sunny
    Forecast day icon
    Night
    48°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Breezy. Mostly clear. Highs in the upper 60s to mid 70s. Lows in the mid 40s to mid 50s.
    Night Details
    Breezy. Mostly clear. Highs in the upper 60s to mid 70s. Lows in the mid 40s to mid 50s.
  • Forecast day icon
    Wednesday
    Mostly Sunny
    70°
    Forecast night icon
    Night
    Mostly Clear
    46°
    Wednesday 5/15
    Day
    70°
    Mostly Sunny
    Forecast day icon
    Night
    46°
    Mostly Clear
    Forecast night icon
    Day Details
    Breezy. Mostly clear. Highs in the upper 60s to mid 70s. Lows in the mid 40s to mid 50s.
    Night Details
    Mostly clear. Low temperature around 46F. Dew point will be around 38F with an average humidity of 55%. Winds will be 9 mph from the SW.
  • Forecast day icon
    Thursday
    Sunny
    67°
    Forecast night icon
    Night
    Clear
    44°
    Thursday 5/16
    Day
    67°
    Sunny
    Forecast day icon
    Night
    44°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 67F. Dew point will be around 37F with an average humidity of 45%. Winds will be 11 mph from the SW.
    Night Details
    Clear. Low temperature around 44F. Dew point will be around 34F with an average humidity of 51%. Winds will be 7 mph from the SW.
  • Forecast day icon
    Friday
    Sunny
    68°
    Forecast night icon
    Night
    Clear
    46°
    Friday 5/17
    Day
    68°
    Sunny
    Forecast day icon
    Night
    46°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 68F. Dew point will be around 36F with an average humidity of 42%. Winds will be 6 mph from the SW.
    Night Details
    Clear. Low temperature around 46F. Dew point will be around 33F with an average humidity of 47%. Winds will be 3 mph from the SE.
  • Forecast day icon
    Saturday
    Sunny
    71°
    Forecast night icon
    Night
    Mostly Clear
    47°
    Saturday 5/18
    Day
    71°
    Sunny
    Forecast day icon
    Night
    47°
    Mostly Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 71F. Dew point will be around 37F with an average humidity of 39%. Winds will be 4 mph from the SW.
    Night Details
    Mostly clear. Low temperature around 47F. Dew point will be around 36F with an average humidity of 49%. Winds will be 4 mph from the W.