Marine Weather Net

Belfast, ME Weather Forecast


Marine Forecast: Penobscot Bay


Belfast, Maine

 Lat: 44.43N, Lon: 69.01W

Current Conditions Updated: 956 PM EDT THU APR 16 2026

Overcast
Temp: 41°F
  • Humidity:
  • 100%
  • Winds:
  • 3 MPH SSE
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.77 in.
  • Dewpoint:
  • 41°F
  • Heat index:
  • 41°F

  • Sunrise:
  • 5:49 AM EDT
  • Sunset:
  • 7:20 PM EDT
  • Moonrise:
  • 5:08 AM EDT
  • Moonset:
  • 6:44 PM EDT

TONIGHT

THUNDER STORMS
Lo: 41°F
Precip: 80%

FRIDAY

PARTLY SUNNY
Hi: 65°F
Lo: 41°F
Precip: 20%

SATURDAY

MOSTLY CLOUDY
Hi: 51°F
Lo: 40°F

SUNDAY

RAIN
Hi: 49°F
Lo: 31°F
Precip: 80%
Weather Forecast In Detail:
Forecast Issued: 633 PM EDT Thu Apr 16 2026

Tonight...Scattered thunderstorms. Showers. Patchy fog. Lows in the lower 40s. Light and variable winds. Chance of rain 80 percent.
Friday...Patchy fog in the morning. Cloudy with a slight chance of showers in the morning, then partly sunny in the afternoon. Highs in the mid 60s. Light and variable winds. Chance of rain 20 percent.
Friday Night...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 40s. Light and variable winds.
Saturday...Mostly cloudy. Highs in the lower 50s. Light and variable winds, becoming southeast around 10 mph in the afternoon.
Saturday Night...Cloudy with a 50 percent chance of showers. Lows around 40. Light and variable winds.
Sunday...Rain. Highs in the upper 40s. Chance of rain 80 percent.
Sunday Night...Rain in the evening, then rain likely with a chance of snow after midnight. Lows in the lower 30s. Chance of precipitation 80 percent.
Monday...Partly sunny. A chance of snow and rain showers in the morning. Highs in the mid 40s. Chance of precipitation 30 percent.
Monday Night...Partly cloudy in the evening, then clearing. Lows in the mid 20s.
Tuesday...Mostly sunny. Highs in the mid 40s.
Tuesday Night...Partly cloudy. A chance of rain showers after midnight. Lows in the mid 30s. Chance of rain 30 percent.
Wednesday...Mostly cloudy with a 40 percent chance of showers. Highs in the lower 50s.
Wednesday Night...Partly cloudy. A chance of rain showers in the evening. Lows in the mid 30s. Chance of rain 30 percent.
Thursday...Partly sunny. Highs in the lower 50s.
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