Marine Weather Net

Falmouth, ME Weather Forecast


Marine Forecast: Casco Bay


Falmouth, Maine

 Lat: 43.73N, Lon: 70.24W

Current Conditions Updated: 551 PM EST WED JAN 21 2026

Overcast
Temp: 22°F
  • Humidity:
  • 49%
  • Winds:
  • 5 MPH SSW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.28 in.
  • Dewpoint:
  • 6°F
  • Heat index:
  • 22°F

  • Sunrise:
  • 7:07 AM EST
  • Sunset:
  • 4:34 PM EST
  • Moonrise:
  • 8:42 AM EST
  • Moonset:
  • 7:50 PM EST

TONIGHT

CHANCE OF SNOW
Lo: 21°F
Precip: 70%

THURSDAY

SNOW SHOWERS
Hi: 40°F
Lo: 17°F
Precip: 20%

FRIDAY

PARTLY SUNNY
Hi: 29°F
Lo: -3°F

SATURDAY

MOSTLY SUNNY
Hi: 10°F
Lo: -3°F
Weather Forecast In Detail:
Forecast Issued: 632 PM EST Wed Jan 21 2026

Tonight...Cloudy. A chance of snow this evening, then snow likely after midnight. Snow accumulation around an inch. Lows in the lower 20s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of snow 70 percent.
Thursday...Partly sunny. A slight chance of snow in the morning, then a slight chance of rain or snow showers in the afternoon. Highs around 40. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of precipitation 20 percent.
Thursday Night...Mostly clear. Lows around 17. West winds 10 to 15 mph with gusts up to 30 mph.
Friday...Partly sunny. Highs in the upper 20s. West winds 10 to 15 mph with gusts up to 30 mph.
Friday Night...Partly cloudy in the evening, then clearing. Lows around 3 below. West winds 10 to 15 mph with gusts up to 30 mph. Wind chill values as low as 14 below after midnight.
Saturday...Mostly sunny. Highs around 10 above.
Saturday Night...Partly cloudy. Lows 5 below to zero.
Sunday...Mostly cloudy. A chance of snow in the afternoon. Highs 10 to 15. Chance of snow 50 percent.
Sunday Night...Snow likely, mainly in the evening. Lows around 5 above. Chance of snow 60 percent.
Monday...Mostly cloudy with a 50 percent chance of snow. Highs around 20.
Monday Night...Mostly cloudy with a chance of snow in the evening, then partly cloudy after midnight. Lows zero to 5 above zero. Chance of snow 30 percent.
Tuesday...Partly sunny. Highs in the lower 20s.
Tuesday Night...Mostly clear in the evening, then becoming partly cloudy. Lows 5 to 10 above.
Wednesday...Partly sunny. Highs in the mid 20s.
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