Saint John, Washington | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Partly Cloudy
    50°
    Friday 5/3
    Forecast night icon
    50°
    Partly Cloudy
    Hourly
    Night Details
    Partly cloudy. Low temperature around 50F. Dew point will be around 31F with an average humidity of 51%. Winds will be 10 mph from the E.
  • Forecast day icon
    Saturday
    Mostly Cloudy
    68°
    Forecast night icon
    Night
    Rain
    42°
    Saturday 5/4
    Day
    68°
    Mostly Cloudy
    Forecast day icon
    Night
    42°
    Rain
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A chance of rain in the afternoon. Highs in the mid 60s to lower 70s. East wind 5 to 15 mph with gusts up to 20 mph. Chance of precipitation 20 percent.
    Night Details
    Cloudy. A chance of rain in the evening then rain overnight. Lows around 40. East wind 5 to 10 mph shifting to the southwest with gusts up to 25 mph overnight. Chance of precipitation 90 percent. Rainfall amounts up to a half inch possible.
  • Forecast day icon
    Sunday
    Snow
    45°
    Forecast night icon
    Night
    Rain
    40°
    Sunday 5/5
    Day
    45°
    Snow
    Forecast day icon
    Night
    40°
    Rain
    Forecast night icon
    Hourly
    Day Details
    Rain. A chance of snow in the morning then snow in the afternoon. No snow accumulation. Much cooler. Highs in the mid 40s to lower 50s. Southwest wind 5 to 15 mph with gusts up to 30 mph. Chance of precipitation near 100 percent.
    Night Details
    Rain. Lows in the upper 30s to lower 40s. Windy. Southwest wind 15 to 25 mph with gusts up to 40 mph. Chance of precipitation 90 percent.
  • Forecast day icon
    Monday
    70% Chance Frozen Mix
    52°
    Forecast night icon
    Night
    50% Chance Rain Showers
    37°
    Monday 5/6
    Day
    52°
    70% Chance Frozen Mix
    Forecast day icon
    Night
    37°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Rain or snow showers likely. Not as cool. Highs in the 50s. Windy. Southwest wind 15 to 25 mph with gusts up to 40 mph. Chance of precipitation 70 percent.
    Night Details
    Windy. Mostly cloudy with a 50 percent chance of rain showers. Lows in the mid to upper 30s.
  • Forecast day icon
    Tuesday
    50% Chance Frozen Mix
    54°
    Forecast night icon
    Night
    Windy
    37°
    Tuesday 5/7
    Day
    54°
    50% Chance Frozen Mix
    Forecast day icon
    Night
    37°
    Windy
    Forecast night icon
    Hourly
    Day Details
    Windy. Mostly cloudy with a chance of rain or snow showers. Highs in the 50s. Chance of precipitation 50 percent.
    Night Details
    Windy. Mostly cloudy. Lows in the mid to upper 30s.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    57°
    Forecast night icon
    Night
    Partly Cloudy
    41°
    Wednesday 5/8
    Day
    57°
    Partly Cloudy
    Forecast day icon
    Night
    41°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Breezy. Partly cloudy. Highs in the mid 50s to lower 60s. Lows in the mid to upper 30s.
    Night Details
    Breezy. Partly cloudy. Highs in the mid 50s to lower 60s. Lows in the mid to upper 30s.
  • Forecast day icon
    Thursday
    Mostly Sunny
    66°
    Forecast night icon
    Night
    Mostly Clear
    45°
    Thursday 5/9
    Day
    66°
    Mostly Sunny
    Forecast day icon
    Night
    45°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Highs in the mid 60s to lower 70s. Lows in the mid 30s to mid 40s.
    Night Details
    Mostly clear. Highs in the mid 60s to lower 70s. Lows in the mid 30s to mid 40s.
  • Forecast day icon
    Friday
    Sunny
    71°
    Forecast night icon
    Night
    Clear
    50°
    Friday 5/10
    Day
    71°
    Sunny
    Forecast day icon
    Night
    50°
    Clear
    Forecast night icon
    Day Details
    Sunny. Highs in the lower to mid 70s.
    Night Details
    Clear. Low temperature around 50F. Dew point will be around 42F with an average humidity of 60%. Winds will be 4 mph from the E.
  • Forecast day icon
    Saturday
    Sunny
    74°
    Forecast night icon
    Night
    Clear
    52°
    Saturday 5/11
    Day
    74°
    Sunny
    Forecast day icon
    Night
    52°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 74F. Dew point will be around 45F with an average humidity of 48%. Winds will be 5 mph from the SE.
    Night Details
    Clear. Low temperature around 52F. Dew point will be around 43F with an average humidity of 55%. Winds will be 4 mph from the SE.
  • Forecast day icon
    Sunday
    Sunny
    74°
    Forecast night icon
    Night
    Mostly Clear
    51°
    Sunday 5/12
    Day
    74°
    Sunny
    Forecast day icon
    Night
    51°
    Mostly Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 74F. Dew point will be around 47F with an average humidity of 48%. Winds will be 6 mph from the S.
    Night Details
    Mostly clear. Low temperature around 51F. Dew point will be around 43F with an average humidity of 57%. Winds will be 6 mph from the S.