Marine Weather Net

Southwest Harbor ME Weather Forecast




Southwest Harbor, Maine

 Lat: 44.28N, Lon: 68.33W

Current Conditions Updated: 356 PM EST TUE NOV 3 2026

Light Rain
Temp: 53°F
  • Humidity:
  • 89%
  • Winds:
  • 6 MPH E
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.25 in.
  • Dewpoint:
  • 50°F
  • Heat index:
  • 53°F

  • Sunrise:
  • 6:10 AM EST
  • Sunset:
  • 4:20 PM EST
  • Moonrise:
  • N/A EST
  • Moonset:
  • 1:44 PM EST

TONIGHT

CHANCE OF RAIN
Lo: 49°F
Precip: 50%

WEDNESDAY

PARTLY SUNNY
Hi: 61°F
Lo: 50°F

THURSDAY

PARTLY SUNNY
Hi: 61°F
Lo: 55°F
Precip: 20%

FRIDAY

CHANCE OF RAIN
Hi: 65°F
Lo: 51°F
Precip: 70%
Weather Forecast In Detail:
Forecast Issued: 300 PM EST Tue Nov 03 2026

Tonight...Cloudy with a 50 percent chance of rain. Patchy fog. Lows in the upper 40s. Southeast winds 5 to 10 mph.
Wednesday...Mostly cloudy in the morning, then becoming partly sunny. Patchy fog in the morning. Highs in the lower 60s. Southwest winds 5 to 10 mph.
Wednesday Night...Partly cloudy. Lows around 50. Southwest winds 5 to 10 mph.
Thursday...Partly sunny in the morning, then mostly cloudy with a slight chance of rain in the afternoon. Highs in the lower 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.
Thursday Night...Mostly cloudy with a 20 percent chance of rain. Lows in the mid 50s. Southwest winds 10 to 15 mph.
Friday...Mostly cloudy. A chance of rain in the morning, then rain likely in the afternoon. Highs in the mid 60s. Chance of rain 70 percent.
Friday Night...Rain. Lows in the lower 50s. Chance of rain 90 percent.
Saturday...Rain. Highs in the upper 50s. Chance of rain 90 percent.
Saturday Night...Rain likely. Lows in the mid 40s. Chance of rain 70 percent.
Sunday...Mostly cloudy with rain likely in the morning, then partly sunny with a chance of rain in the afternoon. Highs in the mid 50s. Chance of rain 60 percent.
Sunday Night...Partly cloudy. A chance of rain in the evening. Lows around 40. Chance of rain 30 percent.
Monday...Partly sunny. A chance of rain in the afternoon. Highs in the lower 50s. Chance of rain 30 percent.
Monday Night...Partly cloudy. Lows in the upper 30s.
Tuesday...Partly sunny. Highs in the lower 50s.
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