Marine Weather Net

Winterport, ME Weather Forecast


Marine Forecast: Penobscot Bay


Winterport, Maine

 Lat: 44.64N, Lon: 68.85W

Current Conditions Updated: 353 PM EDT WED JUL 1 2026

Mostly Clear
Temp: 87°F
  • Humidity:
  • 60%
  • Winds:
  • 13 MPH S
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.85 in.
  • Dewpoint:
  • 72°F
  • Heat index:
  • 93°F

  • Sunrise:
  • 4:52 AM EDT
  • Sunset:
  • 8:23 PM EDT
  • Moonrise:
  • 9:53 PM EDT
  • Moonset:
  • 6:03 AM EDT

THIS AFTERNOON

PARTLY SUNNY
Hi: 89°F
Lo: 75°F

THURSDAY

MOSTLY SUNNY
Hi: 95°F
Lo: 75°F

FRIDAY

MOSTLY SUNNY
Hi: 95°F
Lo: 70°F

INDEPENDENCE DAY

MOSTLY SUNNY
Hi: 89°F
Lo: 65°F
Weather Forecast In Detail:
Forecast Issued: 237 PM EDT Wed Jul 01 2026

HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY...
This Afternoon...Partly sunny. Warm with highs in the upper 80s. Southwest winds around 10 mph. Heat index values up to 101.
Tonight...Partly cloudy. Humid with lows in the lower 70s. Southwest winds around 10 mph in the evening, becoming light and variable. Heat index values up to 100 early in the evening.
Thursday...Mostly sunny. Hot with highs in the mid 90s. Light and variable winds, becoming west around 10 mph in the afternoon. Heat index values up to 108.
Thursday Night...Partly cloudy. Humid with lows in the lower 70s. Light and variable winds. Heat index values up to 103 early in the evening.
Friday...Mostly sunny. Hot with highs in the mid 90s. West winds around 10 mph with gusts up to 25 mph. Heat index values up to 101.
Friday Night...Mostly clear. Lows around 70.
Independence Day...Mostly sunny. Warm with highs in the upper 80s.
Saturday Night...Mostly clear. Lows in the mid 60s.
Sunday...Partly sunny. Warm with highs in the mid 80s.
Sunday Night...Partly cloudy. Lows in the lower 60s.
Monday...Partly sunny. Highs in the lower 80s.
Monday Night...Partly cloudy. Lows in the upper 50s.
Tuesday...Partly sunny. Highs in the lower 80s.
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