Marine Weather Net

Groton, CT Weather Forecast


Marine Forecast:


Groton, Connecticut

 Lat: 41.35N, Lon: 72.08W

Current Conditions Updated: 256 PM EDT MON JUN 8 2026

Clear


Temp: 68°F
  • Humidity:
  • 54%
  • Winds:
  • 10 MPH S
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.25 in.
  • Dewpoint:
  • 51°F
  • Heat index:
  • 68°F

  • Sunrise:
  • 5:13 AM EDT
  • Sunset:
  • 8:18 PM EDT
  • Moonrise:
  • 1:03 AM EDT
  • Moonset:
  • 12:58 PM EDT

THIS AFTERNOON

SUNNY

Hi: 75°F
Lo: 55°F

TUESDAY

SUNNY

Hi: 75°F
Lo: 59°F

WEDNESDAY

PARTLY SUNNY
Hi: 75°F
Lo: 61°F
Precip: 60%

THURSDAY

PARTLY SUNNY
Hi: 85°F
Lo: 65°F
Precip: 50%
Weather Forecast In Detail:
Forecast Issued: 208 PM EDT Mon Jun 08 2026

This Afternoon...Sunny. Highs in the mid 70s. South winds around 10 mph.
Tonight...Mostly clear. Lows in the mid 50s. Southwest winds 5 to 10 mph.
Tuesday...Sunny. Highs in the mid 70s. Southwest winds 10 to 15 mph.
Tuesday Night...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the evening.
Wednesday...Partly sunny with a slight chance of showers in the morning, then mostly cloudy with showers likely in the afternoon. Highs in the mid 70s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 60 percent.
Wednesday Night...Showers likely. Lows in the lower 60s. Chance of rain 70 percent.
Thursday...Partly sunny. A chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent.
Thursday Night...Mostly cloudy. A chance of showers and thunderstorms in the evening, then a chance of showers after midnight. Lows in the mid 60s. Chance of rain 50 percent.
Friday...Partly sunny. Highs in the lower 80s.
Friday Night...Mostly cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 40 percent.
Saturday...Mostly sunny. Highs in the lower 80s.
Saturday Night...Partly cloudy. Lows in the mid 60s.
Sunday...Mostly sunny. Highs in the lower 80s.
Sunday Night...Partly cloudy. A chance of showers after midnight. Lows in the lower 60s. Chance of rain 30 percent.
Monday...Partly sunny with a 40 percent chance of showers. Highs in the lower 80s.
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