Friday Harbor, Washington | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Clear
    46°
    Wednesday 5/8
    Forecast night icon
    46°
    Mostly Clear
    Hourly
    Night Details
    Mostly clear. Lows in the mid 40s to lower 50s. Light wind.
  • Forecast day icon
    Thursday
    Sunny
    70°
    Forecast night icon
    Night
    Clear
    52°
    Thursday 5/9
    Day
    70°
    Sunny
    Forecast day icon
    Night
    52°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid 60s to lower 70s. North wind to 10 mph.
    Night Details
    Clear. Lows in the lower to mid 50s. Northwest wind to 10 mph in the evening becoming light.
  • Forecast day icon
    Friday
    Sunny
    72°
    Forecast night icon
    Night
    Mostly Clear
    53°
    Friday 5/10
    Day
    72°
    Sunny
    Forecast day icon
    Night
    53°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the upper 60s to mid 70s. Light wind becoming northwest around 10 mph in the afternoon.
    Night Details
    Mostly clear. Lows in the lower to mid 50s. Light wind.
  • Forecast day icon
    Saturday
    Sunny
    72°
    Forecast night icon
    Night
    Clear
    50°
    Saturday 5/11
    Day
    72°
    Sunny
    Forecast day icon
    Night
    50°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs near 70.
    Night Details
    Clear. Lows in the lower 50s.
  • Forecast day icon
    Sunday
    Mostly Sunny
    66°
    Forecast night icon
    Night
    Partly Cloudy
    48°
    Sunday 5/12
    Day
    66°
    Mostly Sunny
    Forecast day icon
    Night
    48°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the mid 60s to lower 70s.
    Night Details
    Partly cloudy. Lows near 50.
  • Forecast day icon
    Monday
    Partly Sunny
    62°
    Forecast night icon
    Night
    Partly Cloudy
    49°
    Monday 5/13
    Day
    62°
    Partly Sunny
    Forecast day icon
    Night
    49°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the lower to mid 60s.
    Night Details
    Partly cloudy. Lows in the upper 40s.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    61°
    Forecast night icon
    Night
    Mostly Clear
    49°
    Tuesday 5/14
    Day
    61°
    Mostly Sunny
    Forecast day icon
    Night
    49°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the lower to mid 60s.
    Night Details
    Mostly clear. Lows in the upper 40s.
  • Forecast day icon
    Wednesday
    Chance of Rain
    65°
    Forecast night icon
    Night
    Clear
    49°
    Wednesday 5/15
    Day
    65°
    Chance of Rain
    Forecast day icon
    Night
    49°
    Clear
    Forecast night icon
    Day Details
    Mostly sunny with a slight chance of rain. Highs in the lower to mid 60s.
    Night Details
    Clear. Low temperature around 49F. Dew point will be around 45F with an average humidity of 75%. Winds will be 5 mph from the SW.
  • Forecast day icon
    Thursday
    Sunny
    65°
    Forecast night icon
    Night
    Clear
    49°
    Thursday 5/16
    Day
    65°
    Sunny
    Forecast day icon
    Night
    49°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 65F. Dew point will be around 45F with an average humidity of 58%. Winds will be 4 mph from the W.
    Night Details
    Clear. Low temperature around 49F. Dew point will be around 44F with an average humidity of 72%. Winds will be 3 mph from the SW.
  • Forecast day icon
    Friday
    Sunny
    65°
    Forecast night icon
    Night
    Clear
    49°
    Friday 5/17
    Day
    65°
    Sunny
    Forecast day icon
    Night
    49°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 65F. Dew point will be around 45F with an average humidity of 56%. Winds will be 2 mph from the SW.
    Night Details
    Clear. Low temperature around 49F. Dew point will be around 43F with an average humidity of 71%. Winds will be 3 mph from the SW.