Marine Weather Net

Belfast, ME Weather Forecast


Marine Forecast: Penobscot Bay


Belfast, Maine

 Lat: 44.43N, Lon: 69.01W

Current Conditions Updated: 956 AM EDT TUE MAY 12 2026

Clear


Temp: 52°F
  • Humidity:
  • 33%
  • Winds:
  • 6 MPH VRB
  • Gusts:
  • 17 MPH
  • Barometer:
  • 30.07 in.
  • Dewpoint:
  • 24°F
  • Heat index:
  • 52°F

  • Sunrise:
  • 5:10 AM EDT
  • Sunset:
  • 7:51 PM EDT
  • Moonrise:
  • 2:49 AM EDT
  • Moonset:
  • 3:31 PM EDT

REST OF TODAY

MOSTLY SUNNY
Hi: 59°F
Lo: 37°F

WEDNESDAY

PARTLY SUNNY
Hi: 59°F
Lo: 45°F
Precip: 30%

THURSDAY

CHANCE OF RAIN
Hi: 59°F
Lo: 45°F
Precip: 60%

FRIDAY

RAIN
Hi: 59°F
Lo: 45°F
Precip: 90%
Weather Forecast In Detail:
Forecast Issued: 839 AM EDT Tue May 12 2026

Rest Of Today...Mostly sunny early this morning, then becoming mostly cloudy. Highs in the upper 50s. Northwest winds around 10 mph with gusts up to 20 mph.
Tonight...Mostly clear. Chance of frost in sheltered locations after midnight. Lows in the upper 30s. Northwest winds around 10 mph in the evening, becoming light and variable.
Wednesday...Partly sunny in the morning, then mostly cloudy with a chance of showers in the afternoon. Highs in the upper 50s. Light and variable winds, becoming south around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 30 percent.
Wednesday Night...Rain likely. Patchy fog. Lows in the mid 40s. Light and variable winds. Chance of rain 60 percent.
Thursday...Mostly cloudy. Patchy fog in the morning. A chance of rain in the morning, then rain likely in the afternoon. Highs in the upper 50s. Southeast winds around 10 mph with gusts up to 20 mph. Chance of rain 60 percent.
Thursday Night...Rain. Patchy fog. Lows in the mid 40s. Chance of rain 90 percent.
Friday...Patchy fog in the morning. Rain. Highs in the upper 50s. Chance of rain 90 percent.
Friday Night...Rain likely in the evening, then a chance of showers after midnight. Lows in the mid 40s. Chance of rain 60 percent.
Saturday...Partly sunny. Highs in the upper 60s.
Saturday Night...Partly cloudy in the evening, then clearing. Lows in the upper 40s.
Sunday...Mostly sunny. Highs in the lower 70s.
Sunday Night...Partly cloudy. Lows in the upper 40s.
Monday...Partly sunny. Highs in the upper 60s.
SHARE THIS PAGE: