Marine Weather Net

Lewiston, ME Weather Forecast


Marine Forecast: Casco Bay


Lewiston, Maine

 Lat: 44.10N, Lon: 70.22W

Current Conditions Updated: 1013 PM EDT THU APR 16 2026

Fair
Temp: 44°F
  • Humidity:
  • 100%
  • Winds:
  • 3 MPH E
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.76 in.
  • Dewpoint:
  • 44°F
  • Heat index:
  • 44°F

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

TONIGHT

THUNDER STORMS
Lo: 47°F
Precip: 70%

FRIDAY

PARTLY SUNNY
Hi: 69°F
Lo: 45°F
Precip: 20%

SATURDAY

MOSTLY CLOUDY
Hi: 55°F
Lo: 41°F

SUNDAY

RAIN
Hi: 50°F
Lo: 30°F
Precip: 80%
Weather Forecast In Detail:
Forecast Issued: 633 PM EDT Thu Apr 16 2026

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