Marine Weather Net

Groton, CT Weather Forecast


Marine Forecast:


Groton, Connecticut

 Lat: 41.35N, Lon: 72.08W

Current Conditions Updated: 556 PM EDT SAT OCT 4 2025

Clear


Temp: 68°F
  • Humidity:
  • 67%
  • Winds:
  • 7 MPH W
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.16 in.
  • Dewpoint:
  • 57°F
  • Heat index:
  • 68°F

  • Sunrise:
  • 6:46 AM EDT
  • Sunset:
  • 6:25 PM EDT
  • Moonrise:
  • 5:14 PM EDT
  • Moonset:
  • 3:35 AM EDT

THIS AFTERNOON

SUNNY

Hi: 79°F
Lo: 51°F

SUNDAY

SUNNY

Hi: 80°F
Lo: 55°F

MONDAY

SUNNY

Hi: 75°F
Lo: 59°F

TUESDAY

MOSTLY SUNNY
Hi: 75°F
Lo: 57°F
Weather Forecast In Detail:
Forecast Issued: 203 PM EDT Sat Oct 04 2025

This Afternoon...Sunny. Highs in the upper 70s. Southwest winds 5 to 10 mph.
Tonight...Clear. Patchy fog after midnight. Lows in the lower 50s. West winds around 5 mph.
Sunday...Patchy fog in the morning. Sunny. Highs around 80. Northeast winds around 5 mph, becoming south in the afternoon.
Sunday Night...Mostly clear. Patchy fog. Lows in the mid 50s. South winds around 5 mph.
Monday...Patchy fog in the morning. Sunny. Highs in the mid 70s. Southwest winds 5 to 10 mph.
Monday Night...Mostly clear. Patchy fog. Lows in the upper 50s.
Tuesday...Patchy fog in the morning. Mostly sunny. Highs in the mid 70s.
Tuesday Night...Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 50s. Chance of rain 70 percent.
Wednesday...Showers likely. Highs in the upper 60s. Chance of rain 70 percent.
Wednesday Night...Partly cloudy. A chance of showers in the evening. Lows in the mid 40s. Chance of rain 50 percent.
Thursday...Sunny. Highs in the lower 60s.
Thursday Night...Mostly clear. Lows in the mid 40s.
Friday...Mostly sunny. Highs in the lower 60s.
Friday Night...Partly cloudy. Lows around 50.
Saturday...Mostly sunny. Highs in the upper 60s.
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