Marine Weather Net

Lewiston, ME Weather Forecast


Marine Forecast: Casco Bay


Lewiston, Maine

 Lat: 44.10N, Lon: 70.22W

Current Conditions Updated: 956 AM EST SUN JAN 18 2026

Overcast
Temp: 22°F
  • Humidity:
  • 96%
  • Winds:
  • N/A
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.04 in.
  • Dewpoint:
  • 21°F
  • Heat index:
  • 22°F

  • Sunrise:
  • 7:10 AM EST
  • Sunset:
  • 4:29 PM EST
  • Moonrise:
  • 7:26 AM EST
  • Moonset:
  • 4:16 PM EST

TONIGHT

CLOUDY
Lo: 17°F

SUNDAY

CHANCE OF SNOW
Hi: 31°F
Lo: 20°F
Precip: 30%

MARTIN LUTHER KING JR DAY

PARTLY SUNNY
Hi: 29°F
Lo: 12°F
Precip: 50%

TUESDAY

PARTLY SUNNY
Hi: 20°F
Lo: 2°F
Weather Forecast In Detail:
Forecast Issued: 705 AM EST Sun Jan 18 2026

WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 1 PM EST MONDAY
Rest Of Tonight...Cloudy. Lows 14 to 20. Light and variable winds.
Sunday...Cloudy. A slight chance of snow in the morning, then a chance of snow in the afternoon. Highs in the lower 30s. Light and variable winds. Chance of snow 30 percent.
Sunday Night...Snow. Snow accumulation of 2 to 4 inches. Lows around 20. Light and variable winds. Chance of snow 90 percent.
Martin Luther King Jr Day...Mostly cloudy in the morning, then becoming partly sunny. A 50 percent chance of snow. Highs in the upper 20s. Light and variable winds, becoming southwest around 10 mph in the afternoon.
Monday Night...Partly cloudy in the evening, then becoming mostly clear. Lows around 12. Southwest winds around 10 mph with gusts up to 20 mph.
Tuesday...Partly sunny. Highs around 20.
Tuesday Night...Mostly clear. Lows zero to 5 above zero.
Wednesday...Mostly sunny in the morning, then becoming mostly cloudy. Highs in the lower 20s.
Wednesday Night...Mostly cloudy with a 40 percent chance of snow. Lows around 15.
Thursday...Partly sunny. Highs in the lower 30s.
Thursday Night...Partly cloudy in the evening, then clearing. Lows around 10 above.
Friday...Partly sunny. Highs in the lower 20s.
Friday Night...Partly cloudy in the evening, then becoming mostly cloudy. Lows around 10 above.
Saturday...Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 20s.
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