Marine Weather Net

Lewiston, ME Weather Forecast


Marine Forecast: Casco Bay


Lewiston, Maine

 Lat: 44.10N, Lon: 70.22W

Current Conditions Updated: 417 AM EDT THU APR 16 2026

Light Rain
Temp: 48°F
  • Humidity:
  • 100%
  • Winds:
  • 5 MPH E
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.91 in.
  • Dewpoint:
  • 48°F
  • Heat index:
  • 48°F

  • Sunrise:
  • 5:54 AM EDT
  • Sunset:
  • 7:24 PM EDT
  • Moonrise:
  • 5:13 AM EDT
  • Moonset:
  • 6:49 PM EDT

TODAY

CHANCE OF SHOWERS
Hi: 60°F
Lo: 45°F
Precip: 50%

FRIDAY

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

SATURDAY

MOSTLY CLOUDY
Hi: 59°F
Lo: 41°F

SUNDAY

SHOWERS
Hi: 50°F
Lo: 30°F
Precip: 80%
Weather Forecast In Detail:
Forecast Issued: 228 AM EDT Thu Apr 16 2026

Today...Cloudy with a 50 percent chance of showers. Patchy fog. Highs around 60. Light and variable winds.
Tonight...Cloudy. Showers with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Patchy fog after midnight. Lows in the mid 40s. Light and variable winds. Chance of rain 90 percent.
Friday...Mostly cloudy in the morning, then becoming partly sunny. Patchy fog in the morning. A 40 percent chance of showers. Highs in the mid 60s. Light and variable winds.
Friday Night...Partly cloudy. Lows in the mid 40s. Light and variable winds.
Saturday...Mostly cloudy. Highs in the upper 50s. Light and variable winds, becoming southeast around 10 mph in the afternoon.
Saturday Night...Cloudy. A chance of showers after midnight. Lows in the lower 40s. Chance of rain 50 percent.
Sunday...Showers. Highs around 50. Chance of rain 80 percent.
Sunday Night...Rain showers likely in the evening, then partly cloudy with a chance of rain and snow showers after midnight. Lows around 30. Chance of precipitation 70 percent.
Monday...Partly sunny. Highs in the lower 40s.
Monday Night...Mostly clear. Lows in the mid 20s.
Tuesday...Mostly sunny. Highs in the upper 40s.
Tuesday Night...Partly cloudy in the evening, then mostly cloudy with a chance of rain and snow showers after midnight. Lows in the lower 30s. Chance of precipitation 30 percent.
Wednesday...Mostly cloudy. A chance of rain and snow showers in the morning. Highs in the lower 50s. Chance of precipitation 30 percent.
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