Marine Weather Net

Portland, ME Weather Forecast

Marine Forecast: Casco Bay

Portland, Maine

 Lat: 43.66N, Lon: 70.26W

Current Conditions Updated: 251 AM EST WED JAN 19 2022


Temp: 10°F
  • Humidity:
  • 52%
  • Winds:
  • 7 MPH W
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.16 in.
  • Dewpoint:
  • -4°F
  • Heat index:
  • 10°F

  • Sunrise:
  • 7:08 AM EST
  • Sunset:
  • 4:32 PM EST
  • Moonrise:
  • 6:14 PM EST
  • Moonset:
  • 8:32 AM EST


Lo: 4°F


Hi: 39°F
Lo: 27°F
Precip: 20%


Hi: 31°F
Lo: 1°F
Precip: 30%


Hi: 18°F
Lo: 0°F
Weather Forecast In Detail:
Forecast Issued: 930 PM EST Tue Jan 18 2022

Overnight...Mostly clear late this evening, then becoming partly cloudy. Cooler with lows around 4 above. West winds around 10 mph. Gusts up to 30 mph late this evening. Wind chill values as low as 7 below.
Wednesday...Cloudy with a slight chance of snow showers. A slight chance of rain showers in the afternoon. Highs in the upper 30s. Southwest winds 15 to 20 mph. Gusts up to 30 mph, increasing to 40 mph in the afternoon. Chance of precipitation 20 percent. Wind chill values as low as 2 below in the morning.
Wednesday Night...Cloudy. A slight chance of snow showers after midnight. Not as cold with lows in the upper 20s. Southwest winds 10 to 15 mph. Gusts up to 30 mph in the evening. Chance of snow 20 percent.
Thursday...Mostly cloudy with a 30 percent chance of snow showers. Highs in the lower 30s. Temperatures falling into the lower 20s in the afternoon. Northwest winds around 10 mph.
Thursday Night...Partly cloudy. Much cooler with lows around 1 above. North winds around 10 mph with gusts up to 20 mph. Wind chill values as low as 11 below after midnight.
Friday...Mostly sunny. Highs 15 to 20.
Friday Night...Partly cloudy. Lows around zero.
Saturday...Partly sunny. A chance of snow in the afternoon. Highs around 20. Chance of snow 30 percent.
Saturday Night...Partly cloudy in the evening, then becoming mostly cloudy. A 30 percent chance of snow. Lows around 10 above.
Sunday...Mostly cloudy. Highs in the upper 20s.
Sunday Night...Partly cloudy. Lows around 10 above.
Monday...Partly sunny. Highs in the mid 20s.
Monday Night...Partly cloudy. Lows around 10 above.
Tuesday...Partly sunny. Highs in the lower 20s.