Weather WorldRoche Harbor Lake, WA 7-Day Night Weather Forecast
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Roche Harbor Lake, WA Weather Forecast
Roche Harbor Lake, WA Weather Forecast Date: 236 PM PDT Sun Aug 02 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 clear. Lows in the lower to mid 50s. Light wind.
Monday... Sunny. Highs in the upper 60s to mid 70s. North wind to 10 mph becoming northwest around 10 mph in the afternoon.
Monday Night... Mostly clear. Lows in the 50s to lower 60s. Northwest wind to 10 mph.
Tuesday... Sunny. Highs in the mid 70s to lower 80s. North wind to 10 mph becoming northwest around 10 mph in the afternoon.
Tuesday Night... Mostly clear. Lows in the mid 50s to lower 60s. Light wind.
Wednesday... Sunny. Highs near 80.
Wednesday Night... Clear. Lows in the mid 50s to lower 60s.
Thursday... Sunny. Highs in the mid 70s to lower 80s.
Thursday Night... Mostly clear. Lows in the mid to upper 50s.
Friday... Sunny. Highs in the 70s.
Friday Night... Mostly clear. Lows in the mid to upper 50s.
Saturday... Sunny. Highs in the lower to mid 70s.
Saturday Night... Mostly clear. Lows in the mid to upper 50s.
POP = Probability of Precipitation
Roche Harbor Lake Radar Loop
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