Saint John, Washington | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Monday
    Sunny
    73°
    Forecast night icon
    Night
    Mostly Cloudy
    48°
    Monday 5/13
    Day
    73°
    Sunny
    Forecast day icon
    Night
    48°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the 70s. Southwest wind 10 to 20 mph with gusts up to 30 mph.
    Night Details
    Mostly cloudy in the evening then clearing. Lows in the mid to upper 40s. Southwest wind 5 to 15 mph. Gusts up to 30 mph decreasing to 20 mph overnight.
  • Forecast day icon
    Tuesday
    Sunny
    72°
    Forecast night icon
    Night
    Mostly Clear
    50°
    Tuesday 5/14
    Day
    72°
    Sunny
    Forecast day icon
    Night
    50°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the upper 60s to mid 70s. West wind 5 to 15 mph with gusts up to 20 mph.
    Night Details
    Mostly clear. Lows in the upper 40s to lower 50s. Southwest wind 5 to 10 mph.
  • Forecast day icon
    Wednesday
    Sunny
    76°
    Forecast night icon
    Night
    Mostly Clear
    53°
    Wednesday 5/15
    Day
    76°
    Sunny
    Forecast day icon
    Night
    53°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny warmer. Highs in the mid 70s to lower 80s. Southwest wind 5 to 10 mph.
    Night Details
    Breezy. Mostly clear. Lows in the upper 40s to mid 50s. Highs in the mid 70s to lower 80s.
  • Forecast day icon
    Thursday
    Mostly Sunny
    76°
    Forecast night icon
    Night
    Mostly Clear
    51°
    Thursday 5/16
    Day
    76°
    Mostly Sunny
    Forecast day icon
    Night
    51°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Breezy. Mostly clear. Lows in the upper 40s to mid 50s. Highs in the mid 70s to lower 80s.
    Night Details
    Breezy. Mostly clear. Lows in the upper 40s to mid 50s. Highs in the mid 70s to lower 80s.
  • Forecast day icon
    Friday
    Mostly Sunny
    69°
    Forecast night icon
    Night
    Mostly Clear
    45°
    Friday 5/17
    Day
    69°
    Mostly Sunny
    Forecast day icon
    Night
    45°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Breezy. Mostly clear. Highs in the mid 60s to mid 70s. Lows in the lower 40s to lower 50s.
    Night Details
    Breezy. Mostly clear. Highs in the mid 60s to mid 70s. Lows in the lower 40s to lower 50s.
  • Forecast day icon
    Saturday
    Mostly Sunny
    64°
    Forecast night icon
    Night
    Mostly Clear
    45°
    Saturday 5/18
    Day
    64°
    Mostly Sunny
    Forecast day icon
    Night
    45°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Breezy. Mostly clear. Highs in the mid 60s to mid 70s. Lows in the lower 40s to lower 50s.
    Night Details
    Breezy. Mostly clear. Highs in the mid 60s to mid 70s. Lows in the lower 40s to lower 50s.
  • Forecast day icon
    Sunday
    Mostly Sunny
    68°
    Forecast night icon
    Night
    Partly Cloudy
    47°
    Sunday 5/19
    Day
    68°
    Mostly Sunny
    Forecast day icon
    Night
    47°
    Partly Cloudy
    Forecast night icon
    Day Details
    Breezy. Mostly clear. Highs in the mid 60s to mid 70s. Lows in the lower 40s to lower 50s.
    Night Details
    Partly cloudy. Low temperature around 47F. Dew point will be around 35F with an average humidity of 49%. Winds will be 7 mph from the SW.
  • Forecast day icon
    Monday
    Partly Cloudy
    67°
    Forecast night icon
    Night
    Clear
    45°
    Monday 5/20
    Day
    67°
    Partly Cloudy
    Forecast day icon
    Night
    45°
    Clear
    Forecast night icon
    Day Details
    Partly cloudy. High temperature around 67F. Dew point will be around 37F with an average humidity of 43%. Winds will be 12 mph from the SW.
    Night Details
    Clear. Low temperature around 45F. Dew point will be around 34F with an average humidity of 50%. Winds will be 9 mph from the SW.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    65°
    Forecast night icon
    Night
    Partly Cloudy
    44°
    Tuesday 5/21
    Day
    65°
    Partly Cloudy
    Forecast day icon
    Night
    44°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly cloudy. High temperature around 65F. Dew point will be around 35F with an average humidity of 45%. Winds will be 12 mph from the SW.
    Night Details
    Partly cloudy. Low temperature around 44F. Dew point will be around 33F with an average humidity of 50%. Winds will be 7 mph from the W.
  • Forecast day icon
    Wednesday
    Sunny
    65°
    Forecast night icon
    Night
    Mostly Clear
    44°
    Wednesday 5/22
    Day
    65°
    Sunny
    Forecast day icon
    Night
    44°
    Mostly Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 65F. Dew point will be around 35F with an average humidity of 45%. Winds will be 10 mph from the SW.
    Night Details
    Mostly clear. Low temperature around 44F. Dew point will be around 34F with an average humidity of 53%. Winds will be 6 mph from the W.