Marine Weather Net

Lewiston, ME Weather Forecast


Marine Forecast: Casco Bay


Lewiston, Maine

 Lat: 44.10N, Lon: 70.22W

Current Conditions Updated: 1256 PM EDT TUE MAY 26 2026

Clear


Temp: 77°F
  • Humidity:
  • 44%
  • Winds:
  • 8 MPH WSW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.98 in.
  • Dewpoint:
  • 54°F
  • Heat index:
  • 78°F

  • Sunrise:
  • 5:03 AM EDT
  • Sunset:
  • 8:10 PM EDT
  • Moonrise:
  • 3:50 PM EDT
  • Moonset:
  • 2:28 AM EDT

TODAY

MOSTLY SUNNY
Hi: 81°F
Lo: 60°F

WEDNESDAY

PARTLY SUNNY
Hi: 81°F
Lo: 51°F

THURSDAY

PARTLY SUNNY
Hi: 65°F
Lo: 45°F
Precip: 40%

FRIDAY

PARTLY SUNNY
Hi: 61°F
Lo: 41°F
Precip: 60%
Weather Forecast In Detail:
Forecast Issued: 801 AM EDT Tue May 26 2026

Today...Mostly sunny. Highs in the lower 80s. Light and variable winds, becoming southwest around 10 mph this afternoon.
Tonight...Mostly clear. Lows around 60. Southwest winds around 10 mph with gusts up to 20 mph.
Wednesday...Partly sunny. Highs in the lower 80s. West winds around 10 mph.
Wednesday Night...Partly cloudy. Lows in the lower 50s. Northwest winds around 10 mph in the evening, becoming light and variable.
Thursday...Partly sunny with scattered showers. Highs in the mid 60s. North winds around 10 mph with gusts up to 25 mph. Chance of rain 40 percent.
Thursday Night...Partly cloudy. Scattered showers in the evening. Lows in the mid 40s. Chance of rain 40 percent.
Friday...Partly sunny with a chance of showers in the morning, then showers likely in the afternoon. Highs in the lower 60s. Chance of rain 60 percent.
Friday Night...Showers likely. Lows in the lower 40s. Chance of rain 60 percent.
Saturday...Showers likely, mainly in the morning. Highs in the upper 50s. Chance of rain 60 percent.
Saturday Night...Partly cloudy. A chance of showers in the evening. Lows in the lower 40s. Chance of rain 40 percent.
Sunday...Partly sunny. A chance of showers in the afternoon. Highs in the mid 60s. Chance of rain 30 percent.
Sunday Night...Partly cloudy. A chance of showers in the evening. Lows in the mid 40s. Chance of rain 30 percent.
Monday...Partly sunny with a 30 percent chance of showers. Highs in the mid 60s.
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