Friday Harbor, WA 7-Day Night Weather Forecast
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Friday Harbor, WA Weather Forecast


Friday Harbor, WA Weather Forecast Date: 236 PM PDT Tue Oct 06 2026
The area/counties/county of: San Juan County, including the cities of: Friday Harbor, Eastsound, and Roche Harbor.or toggle through each period.
Tonight... Mostly cloudy. Areas of fog after midnight. Lows in the mid 40s to lower 50s. Light wind.
Wednesday... Partly sunny. Areas of fog in the morning. Highs in the upper 50s to mid 60s. Light wind.
Wednesday Night... Partly cloudy. Lows in the mid 40s to lower 50s. Light wind.
Thursday... Mostly sunny. Highs in the upper 50s to mid 60s. Light wind.
Thursday Night... Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 40s to lower 50s. Light wind becoming southwest to 10 mph after midnight.
Friday... Mostly cloudy with showers likely in the morning, then partly sunny with a chance of showers in the afternoon. Highs in the lower 60s.
Friday Night... Breezy. Partly cloudy with a slight chance of rain in the evening, then mostly cloudy with a chance of rain after midnight. Lows in the mid to upper 40s.
Saturday... Mostly cloudy with a slight chance of rain in the morning, then mostly sunny in the afternoon. Highs in the upper 50s.
Saturday Night... Mostly clear. Lows in the mid to upper 40s.
Sunday... Sunny. Highs in the upper 50s.
Sunday Night... Mostly clear. Lows in the lower to mid 40s.
Columbus Day... Mostly sunny. Highs in the mid to upper 50s.
Monday Night... Partly cloudy. Lows in the mid 40s.
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