Marine Weather Net

Portland, ME Weather Forecast


Marine Forecast: Casco Bay


Portland, Maine

 Lat: 43.66N, Lon: 70.26W


Partly Cloudy
Temp: 68°F
  • Humidity:
  • 65%
  • Winds:
  • 8 MPH N
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.85 in.
  • Dewpoint:
  • 56°F
  • Heat index:
  • 68°F

THIS AFTERNOON

PARTLY SUNNY
Hi: 75°F
Lo: 49°F
Precip: 20%

THURSDAY

MOSTLY SUNNY
Hi: 65°F
Lo: 51°F

FRIDAY

MOSTLY SUNNY
Hi: 81°F
Lo: 60°F

SATURDAY

PARTLY SUNNY
Hi: 75°F
Lo: 51°F
Precip: 50%
This Afternoon...Partly sunny. Slight chance of rain showers this afternoon. Highs in the mid 70s. Light winds becoming southwest 10 to 15 mph this afternoon. Chance of rain 20 percent.
Tonight...Partly cloudy. Lows in the upper 40s. North winds 10 to 15 mph in the evening becoming light.
Thursday...Mostly sunny. Highs in the mid 60s. Light winds becoming south 10 to 15 mph in the afternoon.
Thursday Night...Mostly clear. Lows in the lower 50s. Southwest winds 10 to 15 mph.
Friday...Mostly sunny. Not as cold with highs in the lower 80s. West winds 10 to 20 mph.
Friday Night...Partly cloudy. Lows around 60.
Saturday...Partly sunny in the morning, then becoming mostly cloudy. A 50 percent chance of showers. Highs in the mid 70s.
Saturday Night...Cloudy with a 50 percent chance of rain showers. Lows in the lower 50s.
Sunday...Mostly cloudy with a 50 percent chance of rain showers. Colder with highs in the upper 50s.
Sunday Night...Mostly cloudy with a 40 percent chance of rain showers. Lows in the upper 40s.
Memorial Day...Mostly cloudy with a 50 percent chance of rain showers. Highs in the lower 60s.
Monday Night...Mostly cloudy with a 50 percent chance of rain showers. Lows around 50.
Tuesday...Mostly cloudy in the morning, then becoming partly sunny. A 40 percent chance of rain showers. Highs in the upper 60s.
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