Marine Weather Net

Lewiston, ME Weather Forecast


Marine Forecast: Casco Bay


Lewiston, Maine

 Lat: 44.10N, Lon: 70.22W

Current Conditions Updated: 1156 AM EDT WED MAY 6 2026

Mostly Clear
Temp: 61°F
  • Humidity:
  • 77%
  • Winds:
  • N/A MPH N/A
  • Gusts:
  • N/A MPH
  • Barometer:
  • N/A
  • Dewpoint:
  • 54°F
  • Heat index:
  • N/A

  • Sunrise:
  • 5:24 AM EDT
  • Sunset:
  • 7:48 PM EDT
  • Moonrise:
  • 12:09 AM EDT
  • Moonset:
  • 8:20 AM EDT

TODAY

CHANCE OF T-STORM
Hi: 69°F
Lo: 45°F
Precip: 100%

THURSDAY

PARTLY SUNNY
Hi: 61°F
Lo: 39°F

FRIDAY

PARTLY SUNNY
Hi: 59°F
Lo: 39°F

SATURDAY

PARTLY SUNNY
Hi: 60°F
Lo: 41°F
Precip: 40%
Weather Forecast In Detail:
Forecast Issued: 801 AM EDT Wed May 06 2026

Today...A slight chance of showers this morning, then showers with a slight chance of thunderstorms this afternoon. Highs in the upper 60s. South winds 10 to 15 mph. Gusts up to 30 mph this afternoon. Chance of rain near 100 percent.
Tonight...Showers with a slight chance of thunderstorms in the evening, then showers likely after midnight. Lows in the mid 40s. South winds 10 to 15 mph with gusts up to 25 mph, becoming southwest after midnight. Chance of rain near 100 percent.
Thursday...Partly sunny. Highs in the lower 60s. Northwest winds around 10 mph.
Thursday Night...Mostly clear. Lows in the upper 30s. Northwest winds around 10 mph in the evening, becoming light and variable.
Friday...Partly sunny. Highs in the upper 50s. West winds around 10 mph. Gusts up to 25 mph in the afternoon.
Friday Night...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s.
Saturday...Partly sunny in the morning, then mostly cloudy with a chance of showers in the afternoon. Highs around 60. Chance of rain 40 percent.
Saturday Night...Partly cloudy with a 40 percent chance of showers. Lows in the lower 40s.
Sunday...Mostly cloudy. A chance of showers in the afternoon. Highs in the mid 60s. Chance of rain 40 percent.
Sunday Night...Showers likely. Lows in the mid 40s. Chance of rain 60 percent.
Monday...Showers likely, mainly in the morning. Highs around 60. Chance of rain 60 percent.
Monday Night...Mostly cloudy with a chance of showers in the evening, then partly cloudy after midnight. Lows in the lower 40s. Chance of rain 40 percent.
Tuesday...Partly sunny. Highs in the upper 50s.
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