Marine Weather Net

Portland, ME Weather Forecast


Marine Forecast: Casco Bay


Portland, Maine

 Lat: 43.66N, Lon: 70.26W

Current Conditions Updated: 151 PM EST SAT FEB 7 2026

Overcast
Temp: 23°F
  • Humidity:
  • 74%
  • Winds:
  • 13 MPH N
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.57 in.
  • Dewpoint:
  • 16°F
  • Heat index:
  • 23°F

  • Sunrise:
  • 6:51 AM EST
  • Sunset:
  • 4:56 PM EST
  • Moonrise:
  • 11:41 PM EST
  • Moonset:
  • 9:09 AM EST

THIS AFTERNOON

SNOW
Hi: 25°F
Lo: 4°F
Precip: 70%

SUNDAY

PARTLY SUNNY
Hi: 21°F
Lo: 3°F

MONDAY

MOSTLY SUNNY
Hi: 29°F
Lo: 8°F

TUESDAY

PARTLY SUNNY
Hi: 31°F
Lo: 20°F
Weather Forecast In Detail:
Forecast Issued: 133 PM EST Sat Feb 07 2026

This Afternoon...Snow likely. Little or no additional snow accumulation. Highs in the mid 20s. North winds 10 to 15 mph with gusts up to 25 mph. Chance of snow 70 percent.
Tonight...Mostly cloudy. A slight chance of snow in the evening. Lows around 4 above. Northwest winds 10 to 15 mph with gusts up to 30 mph. Chance of snow 20 percent. Wind chill values as low as 10 below after midnight.
Sunday...Partly sunny. Highs in the lower 20s. Northwest winds 10 to 15 mph with gusts up to 30 mph. Wind chill values as low as 12 below in the morning.
Sunday Night...Mostly clear. Lows around 3 above. Northwest winds around 10 mph. Gusts up to 30 mph in the evening. Wind chill values as low as 8 below after midnight.
Monday...Mostly sunny. Highs in the upper 20s. Northwest winds around 10 mph with gusts up to 20 mph. Wind chill values as low as 9 below in the morning.
Monday Night...Mostly clear. Lows 5 to 10 above.
Tuesday...Partly sunny in the morning, then becoming mostly cloudy. Highs in the lower 30s.
Tuesday Night...Cloudy with a 50 percent chance of snow. Lows around 20.
Wednesday...Cloudy. A chance of snow in the morning. Highs in the mid 30s. Chance of snow 40 percent.
Wednesday Night...Cloudy. Lows around 20.
Thursday...Mostly cloudy. Highs in the mid 30s.
Thursday Night...Mostly cloudy. Lows around 20.
Friday...Partly sunny in the morning, then becoming mostly cloudy. Highs in the mid 30s.
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