Marine Weather Net

Harpswell, ME Weather Forecast


Marine Forecast: Casco Bay


Harpswell, Maine

 Lat: 43.85N, Lon: 70.36W

Current Conditions Updated: 756 PM EDT THU MAR 12 2026

Overcast
Temp: 32°F
  • Humidity:
  • 55%
  • Winds:
  • 12 MPH NW
  • Gusts:
  • 21 MPH
  • Barometer:
  • 29.73 in.
  • Dewpoint:
  • 18°F
  • Heat index:
  • 32°F

  • Sunrise:
  • 6:57 AM EDT
  • Sunset:
  • 6:42 PM EDT
  • Moonrise:
  • 3:35 AM EDT
  • Moonset:
  • 11:43 AM EDT

TONIGHT

SNOW SHOWERS
Lo: 21°F
Precip: 50%

FRIDAY

PARTLY SUNNY
Hi: 40°F
Lo: 27°F
Precip: 20%

SATURDAY

PARTLY SUNNY
Hi: 45°F
Lo: 21°F
Precip: 50%

SUNDAY

PARTLY SUNNY
Hi: 41°F
Lo: 27°F
Weather Forecast In Detail:
Forecast Issued: 805 PM EDT Thu Mar 12 2026

Tonight...Mostly cloudy with scattered snow showers this evening, then mostly clear after midnight. Lows in the lower 20s. Northwest winds around 10 mph with gusts up to 25 mph. Chance of snow 50 percent.
Friday...Sunny in the morning, then partly sunny with a slight chance of snow in the afternoon. Highs around 40. Light and variable winds, becoming south around 10 mph with gusts up to 20 mph in the afternoon. Chance of snow 20 percent.
Friday Night...Snow. Rain likely after midnight. Light snow accumulation. Lows in the upper 20s. South winds around 10 mph. Chance of precipitation 80 percent.
Saturday...Partly sunny. A chance of rain and snow in the morning. Highs in the mid 40s. West winds 15 to 20 mph with gusts up to 35 mph. Chance of precipitation 50 percent.
Saturday Night...Partly cloudy in the evening, then clearing. Lows in the lower 20s.
Sunday...Partly sunny in the morning, then becoming mostly cloudy. Highs in the lower 40s.
Sunday Night...Cloudy. A chance of rain and snow after midnight. Lows in the upper 20s. Chance of precipitation 50 percent.
Monday...Snow likely in the morning. Rain. Highs in the mid 50s. Chance of precipitation near 100 percent.
Monday Night...Rain. Lows in the mid 30s. Chance of rain near 100 percent.
Tuesday...Mostly cloudy with a chance of rain in the morning, then partly sunny in the afternoon. Highs in the upper 40s. Chance of rain 50 percent.
Tuesday Night...Partly cloudy. Cooler with lows 15 to 20.
Wednesday...Mostly sunny. Highs in the mid 30s.
SHARE THIS PAGE: