Marine Weather Net

Groton, CT Weather Forecast


Marine Forecast:


Groton, Connecticut

 Lat: 41.35N, Lon: 72.08W

Current Conditions Updated: 756 AM EST SUN NOV 23 2025

Clear


Temp: 29°F
  • Humidity:
  • 88%
  • Winds:
  • 6 MPH ENE
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.03 in.
  • Dewpoint:
  • 26°F
  • Heat index:
  • 29°F

  • Sunrise:
  • 6:44 AM EST
  • Sunset:
  • 4:22 PM EST
  • Moonrise:
  • 10:05 AM EST
  • Moonset:
  • 6:43 PM EST

TODAY

MOSTLY SUNNY
Hi: 49°F
Lo: 35°F

MONDAY

SUNNY

Hi: 49°F
Lo: 31°F

TUESDAY

CHANCE OF RAIN
Hi: 51°F
Lo: 49°F
Precip: 30%

WEDNESDAY

CHANCE OF RAIN
Hi: 59°F
Lo: 39°F
Precip: 30%
Weather Forecast In Detail:
Forecast Issued: 416 AM EST Sun Nov 23 2025

Today...Mostly sunny. Highs in the upper 40s. West winds 5 to 10 mph.
Tonight...Partly cloudy in the evening, then clearing. Lows in the mid 30s. West winds 5 to 10 mph with gusts up to 25 mph.
Monday...Sunny. Highs in the upper 40s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
Monday Night...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 30s. West winds around 5 mph.
Tuesday...Cloudy. A chance of rain in the afternoon. Highs in the lower 50s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. Chance of rain 30 percent.
Tuesday Night...Rain. Lows in the upper 40s. Chance of rain 90 percent.
Wednesday...Mostly cloudy. A chance of rain in the afternoon. Highs in the upper 50s. Chance of rain 30 percent.
Wednesday Night...Mostly cloudy. A chance of rain in the evening. Lows in the upper 30s. Chance of rain 30 percent.
Thanksgiving Day...Mostly sunny. Highs in the upper 40s.
Thursday Night...Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 30s.
Friday...Sunny. Highs in the lower 40s.
Friday Night...Mostly clear. Lows in the upper 20s.
Saturday...Sunny. Highs in the lower 40s.
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