Marine Weather Net

Groton, CT Weather Forecast


Marine Forecast:


Groton, Connecticut

 Lat: 41.35N, Lon: 72.08W

Current Conditions Updated: 256 PM EDT TUE APR 28 2026

Clear


Temp: 56°F
  • Humidity:
  • 57%
  • Winds:
  • 9 MPH S
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.13 in.
  • Dewpoint:
  • 41°F
  • Heat index:
  • 56°F

  • Sunrise:
  • 5:48 AM EDT
  • Sunset:
  • 7:41 PM EDT
  • Moonrise:
  • 4:57 PM EDT
  • Moonset:
  • 4:12 AM EDT

THIS AFTERNOON

MOSTLY SUNNY
Hi: 61°F
Lo: 41°F

WEDNESDAY

MOSTLY SUNNY
Hi: 61°F
Lo: 45°F

THURSDAY

SHOWERS
Hi: 55°F
Lo: 41°F
Precip: 90%

FRIDAY

SUNNY

Hi: 59°F
Lo: 39°F
Weather Forecast In Detail:
Forecast Issued: 224 PM EDT Tue Apr 28 2026

This Afternoon...Mostly sunny. Highs in the lower 60s. Southeast winds around 5 mph.
Tonight...Mostly cloudy in the evening, then clearing. Lows in the lower 40s. East winds around 5 mph, becoming north after midnight.
Wednesday...Mostly sunny. Highs in the lower 60s. Northeast winds around 5 mph, becoming south around 5 mph in the afternoon.
Wednesday Night...Mostly cloudy. A chance of showers in the evening, then showers after midnight. Lows in the mid 40s. Southeast winds around 5 mph. Chance of rain 90 percent.
Thursday...Showers. Highs in the mid 50s. East winds around 5 mph, becoming northwest in the afternoon. Chance of rain 90 percent.
Thursday Night...Partly cloudy with a chance of showers in the evening, then mostly clear after midnight. Lows in the lower 40s. Chance of rain 40 percent.
Friday...Sunny. Highs in the upper 50s.
Friday Night...Partly cloudy. Lows in the upper 30s.
Saturday...Mostly sunny. Highs in the mid 50s.
Saturday Night...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 30s.
Sunday...Mostly sunny. Highs in the upper 50s.
Sunday Night...Partly cloudy in the evening, then clearing. Lows in the lower 40s.
Monday...Mostly sunny. Highs in the upper 50s.
Monday Night...Partly cloudy. Lows in the lower 40s.
Tuesday...Mostly sunny. Highs in the lower 60s.
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