Marine Weather Net

Lewiston, ME Weather Forecast


Marine Forecast: Casco Bay


Lewiston, Maine

 Lat: 44.10N, Lon: 70.22W

Current Conditions Updated: 356 PM EDT MON JUL 27 2026

Clear


Temp: 81°F
  • Humidity:
  • 40%
  • Winds:
  • 10 MPH SSE
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.79 in.
  • Dewpoint:
  • 55°F
  • Heat index:
  • 81°F

  • Sunrise:
  • 5:22 AM EDT
  • Sunset:
  • 8:09 PM EDT
  • Moonrise:
  • 7:27 PM EDT
  • Moonset:
  • 2:59 AM EDT

THIS AFTERNOON

MOSTLY SUNNY
Hi: 81°F
Lo: 55°F

TUESDAY

PARTLY SUNNY
Hi: 79°F
Lo: 59°F

WEDNESDAY

CHANCE OF RAIN
Hi: 71°F
Lo: 55°F
Precip: 70%

THURSDAY

RAIN
Hi: 71°F
Lo: 57°F
Precip: 90%
Weather Forecast In Detail:
Forecast Issued: 250 PM EDT Mon Jul 27 2026

This Afternoon...Mostly sunny. Highs in the lower 80s. South winds around 10 mph with gusts up to 20 mph.
Tonight...Mostly clear. Patchy fog after midnight. Lows in the mid 50s. South winds around 10 mph in the evening, becoming light and variable.
Tuesday...Patchy fog in the morning. Partly sunny. Highs in the upper 70s. Southeast winds 10 to 15 mph.
Tuesday Night...Cloudy. Patchy fog. Lows in the upper 50s. Southeast winds around 10 mph with gusts up to 25 mph in the evening, becoming light and variable.
Wednesday...Cloudy. Patchy fog in the morning. A chance of rain in the morning, then rain likely in the afternoon. Highs in the lower 70s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.
Wednesday Night...Rain. Lows in the mid 50s. Chance of rain 90 percent.
Thursday...Rain, mainly in the morning. Highs in the lower 70s. Chance of rain 90 percent.
Thursday Night...Rain likely in the evening, then a chance of showers after midnight. Lows in the upper 50s. Chance of rain 70 percent.
Friday...Partly sunny with a chance of showers. Highs in the mid 70s. Chance of rain 50 percent.
Friday Night...Partly cloudy. A chance of showers in the evening. Lows around 60. Chance of rain 50 percent.
Saturday...Partly sunny. Highs in the lower 80s.
Saturday Night...Partly cloudy. Lows in the lower 60s.
Sunday...Partly sunny. Highs in the lower 80s.
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