Marine Weather Net

Southport, ME Weather Forecast


Marine Forecast: Port Clyde to Cape Elizabeth


Southport, Maine

 Lat: 43.84N, Lon: 69.66W

Current Conditions Updated: 153 AM EDT TUE MAY 19 2026

Clear


Temp: 52°F
  • Humidity:
  • 80%
  • Winds:
  • N/A
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.06 in.
  • Dewpoint:
  • 46°F
  • Heat index:
  • 52°F

  • Sunrise:
  • 5:07 AM EDT
  • Sunset:
  • 8:00 PM EDT
  • Moonrise:
  • 7:17 AM EDT
  • Moonset:
  • 11:51 PM EDT

TONIGHT

PARTLY CLOUDY
Lo: 47°F

TUESDAY

PARTLY SUNNY
Hi: 85°F
Lo: 65°F
Precip: 30%

WEDNESDAY

PARTLY SUNNY
Hi: 85°F
Lo: 49°F
Precip: 30%

THURSDAY

MOSTLY SUNNY
Hi: 61°F
Lo: 41°F
Weather Forecast In Detail:
Forecast Issued: 500 PM EDT Mon May 18 2026

Tonight...Mostly clear in the evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the upper 40s. Light and variable winds.
Tuesday...Partly sunny. A chance of showers with isolated thunderstorms in the afternoon. Warmer. More humid with highs in the mid 80s. Light and variable winds, becoming southwest around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 30 percent.
Tuesday Night...Partly cloudy in the evening, then clearing. Lows in the mid 60s. Light and variable winds, becoming southwest around 10 mph after midnight.
Wednesday...Partly sunny. A chance of showers in the afternoon. Warm with highs in the mid 80s. West winds around 10 mph with gusts up to 25 mph. Chance of rain 30 percent.
Wednesday Night...Partly cloudy in the evening, then clearing. Lows in the upper 40s.
Thursday...Mostly sunny. Cooler with highs in the lower 60s.
Thursday Night...Mostly clear. Lows in the lower 40s.
Friday...Partly sunny. Highs in the mid 60s.
Friday Night...Partly cloudy. Lows in the mid 40s.
Saturday...Partly sunny in the morning, then becoming mostly cloudy. Highs in the lower 60s.
Saturday Night...Mostly cloudy in the evening, then becoming partly cloudy. A 30 percent chance of showers. Lows in the lower 40s.
Sunday...Partly sunny with a 30 percent chance of showers. Highs in the lower 60s.
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