Marine Weather Net

Yarmouth, ME Weather Forecast


Marine Forecast: Casco Bay


Yarmouth, Maine

 Lat: 43.80N, Lon: 70.19W

Current Conditions Updated: 751 PM EST THU JAN 8 2026

Clear


Temp: 30°F
  • Humidity:
  • 92%
  • Winds:
  • N/A
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.25 in.
  • Dewpoint:
  • 28°F
  • Heat index:
  • 30°F

  • Sunrise:
  • 7:13 AM EST
  • Sunset:
  • 4:18 PM EST
  • Moonrise:
  • 10:40 PM EST
  • Moonset:
  • 10:10 AM EST

TONIGHT

PARTLY CLOUDY
Lo: 20°F

FRIDAY

CHANCE OF RAIN
Hi: 41°F
Lo: 35°F
Precip: 40%

SATURDAY

PARTLY SUNNY
Hi: 41°F
Lo: 29°F
Precip: 30%

SUNDAY

SNOW
Hi: 35°F
Lo: 21°F
Precip: 70%
Weather Forecast In Detail:
Forecast Issued: 500 PM EST Thu Jan 08 2026

Tonight...Partly cloudy. Patchy freezing fog. Lows around 20. Light and variable winds.
Friday...Mostly cloudy. Patchy freezing fog in the morning. A chance of rain in the afternoon. Highs in the lower 40s. Light and variable winds, becoming south 10 to 15 mph with gusts up to 25 mph in the afternoon. Chance of precipitation 40 percent.
Friday Night...Cloudy with rain in the evening, then partly cloudy with a chance of rain after midnight. Lows in the mid 30s. South winds 10 to 15 mph, becoming southwest after midnight. Chance of rain 80 percent.
Saturday...Partly sunny in the morning, then cloudy with a chance of rain in the afternoon. Highs in the lower 40s. West winds around 10 mph in the morning, becoming light and variable. Chance of rain 30 percent.
Saturday Night...Snow with rain likely. Light snow accumulation. Lows in the upper 20s. Light and variable winds. Chance of precipitation 80 percent.
Sunday...A chance of rain. Snow likely, mainly in the morning. Highs in the mid 30s. Chance of precipitation 70 percent.
Sunday Night...Mostly cloudy with a chance of snow and rain in the evening, then partly cloudy after midnight. Lows in the lower 20s. Chance of precipitation 50 percent.
Monday...Partly sunny. Highs in the lower 30s.
Monday Night...Partly cloudy. Lows in the lower 20s.
Tuesday...Partly sunny. Highs in the upper 30s.
Tuesday Night...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 20s.
Wednesday...Cloudy. Highs around 40.
Wednesday Night...Cloudy. A chance of snow and rain after midnight. Lows in the mid 20s. Chance of precipitation 30 percent.
Thursday...A chance of snow in the morning. Partly sunny. Highs in the mid 30s. Chance of snow 30 percent.
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