Marine Weather Net

Southwest Harbor ME Weather Forecast




Southwest Harbor, Maine

 Lat: 44.28N, Lon: 68.33W

Current Conditions Updated: 1256 AM EST WED NOV 26 2025

Light Rain
Temp: 47°F
  • Humidity:
  • 96%
  • Winds:
  • 10 MPH S
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.02 in.
  • Dewpoint:
  • 46°F
  • Heat index:
  • 47°F

  • Sunrise:
  • 6:40 AM EST
  • Sunset:
  • 3:57 PM EST
  • Moonrise:
  • 11:43 AM EST
  • Moonset:
  • 9:37 PM EST

TODAY

RAIN
Hi: 51°F
Lo: 49°F
Precip: 90%

THANKSGIVING DAY

MOSTLY SUNNY
Hi: 45°F
Lo: 31°F

FRIDAY

SNOW SHOWERS
Hi: 40°F
Lo: 29°F
Precip: 50%

SATURDAY

MOSTLY SUNNY
Hi: 39°F
Lo: 21°F
Weather Forecast In Detail:
Forecast Issued: 1242 AM EST Wed Nov 26 2025

Today...Cloudy. Rain, mainly this morning. Patchy fog. Highs in the lower 50s. South winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 90 percent.
Tonight...Cloudy with a 40 percent chance of rain. Patchy fog. Near steady temperature in the upper 40s. Southeast winds around 5 mph, increasing to south 10 to 15 mph with gusts up to 25 mph after midnight.
Thanksgiving Day...Mostly sunny. Highs in the mid 40s. Temperature falling into the lower 40s in the afternoon. West winds 10 to 15 mph with gusts up to 30 mph.
Thursday Night...Partly cloudy. Cold with lows in the lower 30s. Southwest winds 10 to 15 mph with gusts up to 30 mph.
Friday...Partly sunny. A slight chance of rain showers in the morning, then a chance of rain showers with a slight chance of snow showers in the afternoon. Little or no snow accumulation. Highs around 40. Southwest winds 15 to 20 mph with gusts up to 35 mph. Chance of precipitation 50 percent.
Friday Night...Partly cloudy. Cold with lows in the upper 20s.
Saturday...Mostly sunny. Highs in the upper 30s.
Saturday Night...Mostly clear in the evening, then becoming partly cloudy. Cold with lows in the lower 20s.
Sunday...Mostly cloudy. A chance of rain in the afternoon. Highs in the mid 40s. Chance of rain 40 percent.
Sunday Night...Rain likely. Not as cool. Near steady temperature in the lower 40s. Chance of rain 70 percent.
Monday...Mostly cloudy with a 50 percent chance of showers. Highs in the mid 40s. Temperature falling into the lower 40s in the afternoon.
Monday Night...Mostly cloudy with a chance of rain showers. A chance of snow showers after midnight. Colder with lows in the mid 20s. Chance of precipitation 40 percent.
Tuesday...Mostly cloudy with a chance of snow and rain showers. Highs in the upper 30s. Chance of precipitation 50 percent.
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