Marine Weather Net

Lewiston, ME Weather Forecast


Marine Forecast: Casco Bay


Lewiston, Maine

 Lat: 44.10N, Lon: 70.22W

Current Conditions Updated: 856 AM EDT TUE OCT 27 2026

Clear


Temp: 40°F
  • Humidity:
  • 57%
  • Winds:
  • 5 MPH VRB
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.37 in.
  • Dewpoint:
  • 26°F
  • Heat index:
  • 40°F

  • Sunrise:
  • 7:08 AM EDT
  • Sunset:
  • 5:38 PM EDT
  • Moonrise:
  • 6:10 PM EDT
  • Moonset:
  • 9:11 AM EDT

TODAY

SUNNY

Hi: 50°F
Lo: 21°F

WEDNESDAY

PARTLY SUNNY
Hi: 50°F
Lo: 31°F

THURSDAY

MOSTLY SUNNY
Hi: 65°F
Lo: 49°F

FRIDAY

MOSTLY SUNNY
Hi: 65°F
Lo: 31°F
Weather Forecast In Detail:
Forecast Issued: 801 AM EDT Tue Oct 27 2026

Today...Sunny. Highs around 50. Light and variable winds.
Tonight...Mostly clear. Lows in the lower 20s. Light and variable winds.
Wednesday...Partly sunny. Highs around 50. Light and variable winds.
Wednesday Night...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 30s. Light and variable winds.
Thursday...Mostly sunny. Highs in the mid 60s. Light and variable winds, becoming southwest around 10 mph in the afternoon.
Thursday Night...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s.
Friday...Mostly sunny. Highs in the mid 60s.
Friday Night...Mostly clear. Lows in the lower 30s.
Saturday...Mostly sunny. Highs in the mid 50s.
Saturday Night...Mostly clear in the evening, then becoming partly cloudy. Lows around 30.
Sunday...Partly sunny. Highs in the upper 50s.
Sunday Night...Partly cloudy. Lows around 40.
Monday...Partly sunny with a 40 percent chance of showers. Highs in the upper 50s.
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