Marine Weather Net

Portland, ME Weather Forecast

Marine Forecast: Casco Bay

Portland, Maine

 Lat: 43.66N, Lon: 70.26W

Current Conditions Updated: 1051 PM EST TUE FEB 25 2020

Temp: 42°F
  • Humidity:
  • 72%
  • Winds:
  • 3 MPH WNW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.95 in.
  • Dewpoint:
  • 34°F
  • Heat index:
  • 42°F

  • Sunrise:
  • 6:25 AM EST
  • Sunset:
  • 5:21 PM EST
  • Moonrise:
  • 7:42 AM EST
  • Moonset:
  • 7:24 PM EST


Lo: 35°F


Hi: 41°F
Lo: 31°F


Hi: 40°F
Lo: 25°F
Precip: 100%


Hi: 35°F
Lo: 18°F
Weather Forecast In Detail:
Forecast Issued: 1016 PM EST Tue Feb 25 2020

Overnight...Mostly cloudy. Patchy fog. Lows in the mid 30s. Light and variable winds.
Wednesday...Patchy fog in the morning. Cloudy. Highs in the lower 40s. North winds around 10 mph in the morning, becoming light and variable.
Wednesday Night...Cloudy. A chance of rain or snow in the evening, then rain and snow after midnight. Snow accumulation up to 1 inch. Lows in the lower 30s. Northeast winds around 10 mph with gusts up to 20 mph, increasing to 15 to 20 mph with gusts up to 40 mph after midnight. Chance of precipitation 90 percent.
Thursday...Rain or snow in the morning, then rain likely in the afternoon. Little or no snow accumulation. Highs around 40. East winds 15 to 25 mph with gusts up to 40 mph, becoming south 10 to 15 mph with gusts up to 30 mph in the afternoon. Chance of precipitation near 100 percent.
Thursday Night...Partly cloudy. A chance of rain showers in the evening. Lows in the mid 20s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent.
Friday...Partly sunny. Highs in the mid 30s.
Friday Night...Partly cloudy. Lows 15 to 20.
Saturday...Partly sunny. Highs in the lower 30s.
Saturday Night...Partly cloudy. Lows 10 to 15.
Sunday...Mostly sunny. Highs in the lower 30s.
Sunday Night...Mostly clear. Lows around 15.
Monday...Partly sunny. Highs in the mid 30s.
Monday Night...Partly cloudy. Lows in the lower 20s.
Tuesday...Partly sunny in the morning, then becoming mostly cloudy. Highs in the lower 40s.