Weather WorldSouthwest Harbor, ME 7-Day Night Weather Forecast
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Southwest Harbor, ME Weather Forecast
Southwest Harbor, ME Weather Forecast Date: 608 AM EDT Sat Aug 08 2026
The area/counties/county of: Coastal Hancock, including the cities of: Ellsworth, Bar Harbor, Bucksport, Orland, and Castine.or toggle through each period.
Today... Mostly cloudy. Patchy fog this morning. Numerous showers and scattered thunderstorms this morning, then scattered showers with isolated thunderstorms this afternoon. Highs around 80. East winds around 5 mph. Chance of rain 70%.
Tonight... Mostly cloudy. A slight chance of thunderstorms in the evening. Patchy fog. Lows in the mid 60s. South winds around 5 mph in the evening, becoming light and variable. Chance of precipitation 20%.
Sunday... Partly sunny. Patchy fog in the morning. A slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Southwest winds 5 to 10 mph. Chance of precipitation 20%.
Sunday Night... Partly cloudy in the evening, then clearing. Lows in the mid 60s. West winds 5 to 10 mph.
Monday... Mostly sunny. Highs around 80. West winds 5 to 10 mph, becoming southwest 10 to 15 mph in the afternoon.
Monday Night... Partly cloudy with a 20% chance of showers. Lows in the mid 60s.
Tuesday... Mostly sunny in the morning, then becoming partly sunny. Highs around 80.
Tuesday Night... Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 60s.
Wednesday... Mostly sunny. Highs in the lower 80s.
Wednesday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.
Thursday... Partly sunny. A chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 40%.
Thursday Night... Partly cloudy with a chance of showers. Lows in the upper 50s. Chance of rain 40%.
POP = Probability of Precipitation
Southwest Harbor Radar Loop
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