Marine Weather Net

Yarmouth, ME Weather Forecast


Marine Forecast: Casco Bay


Yarmouth, Maine

 Lat: 43.80N, Lon: 70.19W

Current Conditions Updated: 351 PM EDT THU OCT 22 2026

Mostly Clear
Temp: 63°F
  • Humidity:
  • 36%
  • Winds:
  • 7 MPH NNE
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.91 in.
  • Dewpoint:
  • 36°F
  • Heat index:
  • 63°F

  • Sunrise:
  • 7:01 AM EDT
  • Sunset:
  • 5:46 PM EDT
  • Moonrise:
  • 3:59 PM EDT
  • Moonset:
  • 2:53 AM EDT

TONIGHT

MOSTLY CLEAR
Lo: 35°F

FRIDAY

SUNNY

Hi: 51°F
Lo: 29°F

SATURDAY

SUNNY

Hi: 55°F
Lo: 31°F

SUNDAY

SUNNY

Hi: 59°F
Lo: 35°F
Weather Forecast In Detail:
Forecast Issued: 500 PM EDT Thu Oct 22 2026

Tonight...Mostly clear. Lows in the mid 30s. North winds 10 to 15 mph with gusts up to 25 mph.
Friday...Sunny. Highs in the lower 50s. North winds 10 to 15 mph with gusts up to 25 mph.
Friday Night...Clear. Lows in the upper 20s. Light and variable winds.
Saturday...Sunny. Highs in the mid 50s. Light and variable winds.
Saturday Night...Clear. Lows in the lower 30s.
Sunday...Sunny. Highs in the upper 50s.
Sunday Night...Mostly clear. Lows in the mid 30s.
Monday...Mostly sunny. Highs in the mid 60s.
Monday Night...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s.
Tuesday...Mostly sunny. Highs in the lower 50s.
Tuesday Night...Mostly clear. Lows in the upper 20s.
Wednesday...Mostly sunny. Highs around 50.
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