Marine Weather Net

Yarmouth, ME Weather Forecast


Marine Forecast: Casco Bay


Yarmouth, Maine

 Lat: 43.80N, Lon: 70.19W

Current Conditions Updated: 651 PM EST FRI NOV 13 2026

Mostly Cloudy
Temp: 40°F
  • Humidity:
  • 57%
  • Winds:
  • 7 MPH N
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.64 in.
  • Dewpoint:
  • 26°F
  • Heat index:
  • 40°F

  • Sunrise:
  • 6:30 AM EST
  • Sunset:
  • 4:16 PM EST
  • Moonrise:
  • 10:48 AM EST
  • Moonset:
  • 7:17 PM EST

TONIGHT

MOSTLY CLOUDY
Lo: 25°F

SATURDAY

PARTLY SUNNY
Hi: 45°F
Lo: 25°F

SUNDAY

PARTLY SUNNY
Hi: 49°F
Lo: 25°F

MONDAY

MOSTLY SUNNY
Hi: 49°F
Lo: 25°F
Weather Forecast In Detail:
Forecast Issued: 500 PM EST Fri Nov 13 2026

Tonight...Mostly cloudy. Lows in the mid 20s. Light and variable winds.
Saturday...Partly sunny in the morning, then becoming mostly cloudy. Highs in the mid 40s. Light and variable winds.
Saturday Night...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 20s. Light and variable winds.
Sunday...Partly sunny. Highs in the upper 40s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
Sunday Night...Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 20s.
Monday...Mostly sunny. Highs in the upper 40s.
Monday Night...Clear. Lows in the mid 20s.
Tuesday...Mostly sunny. Highs in the lower 50s.
Tuesday Night...Mostly clear. Lows in the lower 30s.
Wednesday...Mostly sunny. Highs in the upper 50s.
Wednesday Night...Mostly clear. Lows in the lower 30s.
Thursday...Mostly sunny. Highs in the upper 50s.
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