Marine Weather Net

Harpswell, ME Weather Forecast


Marine Forecast: Casco Bay


Harpswell, Maine

 Lat: 43.85N, Lon: 70.36W

Current Conditions Updated: 756 AM EDT WED OCT 7 2026

Clear


Temp: 36°F
  • Humidity:
  • 92%
  • Winds:
  • N/A
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.04 in.
  • Dewpoint:
  • 34°F
  • Heat index:
  • 36°F

  • Sunrise:
  • 6:43 AM EDT
  • Sunset:
  • 6:12 PM EDT
  • Moonrise:
  • 3:16 AM EDT
  • Moonset:
  • 4:46 PM EDT

TODAY

MOSTLY SUNNY
Hi: 61°F
Lo: 45°F

THURSDAY

PARTLY SUNNY
Hi: 69°F
Lo: 41°F
Precip: 50%

FRIDAY

MOSTLY SUNNY
Hi: 61°F
Lo: 39°F

SATURDAY

MOSTLY SUNNY
Hi: 65°F
Lo: 41°F
Weather Forecast In Detail:
Forecast Issued: 242 AM EDT Wed Oct 07 2026

FREEZE WARNING IN EFFECT UNTIL 8 AM EDT THIS MORNING
Today...Widespread frost this morning. Mostly sunny. Highs in the lower 60s. South winds 10 to 15 mph.
Tonight...Partly cloudy. Lows in the mid 40s. South winds around 10 mph with gusts up to 25 mph.
Thursday...Partly sunny. A chance of showers, mainly in the morning. Highs in the upper 60s. Southwest winds around 10 mph with gusts up to 25 mph. Chance of rain 50 percent.
Thursday Night...Mostly clear. Lows in the lower 40s. West winds around 10 mph in the evening, becoming light and variable.
Friday...Mostly sunny. Highs in the lower 60s. West winds 10 to 15 mph with gusts up to 30 mph.
Friday Night...Mostly clear. Lows in the upper 30s.
Saturday...Mostly sunny. Highs in the mid 60s.
Saturday Night...Mostly clear. Lows in the lower 40s.
Sunday...Partly sunny. Highs in the upper 60s.
Sunday Night...Partly cloudy in the evening, then becoming mostly cloudy. A 50 percent chance of showers. Lows in the lower 50s.
Columbus Day...Mostly cloudy in the morning, then becoming partly sunny. A 50 percent chance of showers. Highs around 70.
Monday Night...Partly cloudy. A chance of showers in the evening. Lows in the mid 40s. Chance of rain 30 percent.
Tuesday...Partly sunny. Highs in the lower 60s.
SHARE THIS PAGE: