Marine Weather Net

Lewiston, ME Weather Forecast


Marine Forecast: Casco Bay


Lewiston, Maine

 Lat: 44.10N, Lon: 70.22W

Current Conditions Updated: 956 AM EDT MON JUL 6 2026

Overcast
Temp: 70°F
  • Humidity:
  • 73%
  • Winds:
  • 5 MPH VRB
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.21 in.
  • Dewpoint:
  • 61°F
  • Heat index:
  • 73°F

  • Sunrise:
  • 5:03 AM EDT
  • Sunset:
  • 8:25 PM EDT
  • Moonrise:
  • 11:40 PM EDT
  • Moonset:
  • 11:48 AM EDT

TODAY

PARTLY SUNNY
Hi: 79°F
Lo: 55°F
Precip: 20%

TUESDAY

PARTLY SUNNY
Hi: 75°F
Lo: 55°F
Precip: 20%

WEDNESDAY

MOSTLY SUNNY
Hi: 85°F
Lo: 60°F

THURSDAY

PARTLY SUNNY
Hi: 90°F
Lo: 69°F
Weather Forecast In Detail:
Forecast Issued: 941 AM EDT Mon Jul 06 2026

Today...Partly sunny this morning, then becoming mostly cloudy. Isolated showers. Highs in the upper 70s. Light and variable winds, becoming southeast around 10 mph this afternoon. Chance of rain 20 percent.
Tonight...Mostly cloudy. Isolated showers in the evening. Patchy fog after midnight. Lows in the mid 50s. Light and variable winds. Chance of rain 20 percent.
Tuesday...Partly sunny. Patchy fog in the morning. A slight chance of showers in the afternoon. Highs in the mid 70s. Light and variable winds, becoming southeast around 10 mph in the afternoon. Chance of rain 20 percent.
Tuesday Night...Partly cloudy. Patchy fog after midnight. Lows in the mid 50s. Light and variable winds.
Wednesday...Patchy fog in the morning. Mostly sunny. Highs in the mid 80s. Light and variable winds, becoming southwest around 10 mph in the afternoon.
Wednesday Night...Mostly clear in the evening, then becoming partly cloudy. Lows around 60.
Thursday...Partly sunny. Hot with highs around 90.
Thursday Night...Partly cloudy. Lows in the upper 60s.
Friday...Partly sunny. A chance of showers in the afternoon. Warm with highs in the upper 80s. Chance of rain 50 percent.
Friday Night...A chance of showers in the evening. Partly cloudy. Lows in the lower 60s. Chance of rain 50 percent.
Saturday...Mostly sunny. Warm with highs in the mid 80s.
Saturday Night...Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 60s.
Sunday...Mostly sunny. Highs in the mid 80s.
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