Marine Weather Net

Harpswell, ME Weather Forecast


Marine Forecast: Casco Bay


Harpswell, Maine

 Lat: 43.85N, Lon: 70.36W

Current Conditions Updated: 256 AM EDT THU OCT 29 2026

Mostly Clear
Temp: 38°F
  • Humidity:
  • 92%
  • Winds:
  • N/A
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.26 in.
  • Dewpoint:
  • 36°F
  • Heat index:
  • 38°F

  • Sunrise:
  • 7:11 AM EDT
  • Sunset:
  • 5:36 PM EDT
  • Moonrise:
  • 8:02 PM EDT
  • Moonset:
  • 11:42 AM EDT

TODAY

MOSTLY SUNNY
Hi: 65°F
Lo: 47°F

FRIDAY

MOSTLY SUNNY
Hi: 65°F
Lo: 35°F

SATURDAY

MOSTLY SUNNY
Hi: 51°F
Lo: 21°F

SUNDAY

MOSTLY SUNNY
Hi: 55°F
Lo: 31°F
Weather Forecast In Detail:
Forecast Issued: 217 AM EDT Thu Oct 29 2026

Today...Mostly sunny. Highs in the mid 60s. Light and variable winds, becoming southwest around 10 mph with gusts up to 20 mph this afternoon.
Tonight...Partly cloudy. A slight chance of showers after midnight. Lows in the upper 40s. Southwest winds around 10 mph with gusts up to 25 mph. Chance of rain 20 percent.
Friday...Mostly sunny. Highs in the mid 60s. West winds 10 to 15 mph. Gusts up to 30 mph in the afternoon.
Friday Night...Mostly clear. Lows in the mid 30s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
Saturday...Mostly sunny. Highs in the lower 50s. Northwest winds around 10 mph with gusts up to 20 mph.
Saturday Night...Mostly clear. Lows in the lower 20s.
Sunday...Mostly sunny. Highs in the mid 50s.
Sunday Night...Mostly clear. Lows in the lower 30s.
Monday...Partly sunny. Highs in the lower 60s.
Monday Night...Partly cloudy. Lows in the mid 30s.
Tuesday...Partly sunny. Highs in the mid 50s.
Tuesday Night...Partly cloudy. Lows in the mid 30s.
Wednesday...Partly sunny with a 30 percent chance of rain showers. Highs in the upper 50s.
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