Marine Weather Net

Old Lyme, CT Weather Forecast


Marine Forecast:


Old Lyme, Connecticut

 Lat: 41.32N, Lon: 72.33W

Current Conditions Updated: 256 PM EST TUE DEC 16 2025

Clear


Temp: 32°F
  • Humidity:
  • 55%
  • Winds:
  • 12 MPH WSW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.16 in.
  • Dewpoint:
  • 18°F
  • Heat index:
  • 32°F

  • Sunrise:
  • 7:07 AM EST
  • Sunset:
  • 4:19 PM EST
  • Moonrise:
  • 4:07 AM EST
  • Moonset:
  • 1:45 PM EST

THIS AFTERNOON

SUNNY

Hi: 31°F
Lo: 21°F

WEDNESDAY

SUNNY

Hi: 41°F
Lo: 25°F

THURSDAY

MOSTLY SUNNY
Hi: 51°F
Lo: 41°F

FRIDAY

RAIN
Hi: 55°F
Lo: 25°F
Precip: 100%
Weather Forecast In Detail:
Forecast Issued: 1255 PM EST Tue Dec 16 2025

This Afternoon...Sunny. Highs in the lower 30s. Southwest winds around 5 mph.
Tonight...Mostly cloudy in the evening, then clearing. Lows in the lower 20s. Southwest winds 5 to 10 mph. Gusts up to 20 mph after midnight.
Wednesday...Sunny. Highs in the lower 40s. Southwest winds 10 to 15 mph with gusts up to 30 mph.
Wednesday Night...Mostly clear. Lows in the mid 20s. West winds 5 to 10 mph. Gusts up to 25 mph in the evening.
Thursday...Mostly sunny. Highs in the lower 50s. South winds 5 to 10 mph.
Thursday Night...Cloudy. A chance of rain in the evening, then rain after midnight. Not as cool with lows in the lower 40s. Chance of rain 90 percent.
Friday...Rain, mainly in the morning. Highs in the mid 50s. Chance of rain near 100 percent.
Friday Night...Partly cloudy. Cooler with lows in the mid 20s.
Saturday...Mostly sunny. Cooler with highs around 40.
Saturday Night...Mostly cloudy. Lows around 30.
Sunday...Partly sunny. Highs in the mid 40s.
Sunday Night...Partly cloudy. Lows in the mid 20s.
Monday...Mostly sunny. Highs in the mid 30s.
Monday Night...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 20s.
Tuesday...Partly sunny with a chance of rain and snow in the morning, then mostly cloudy with a chance of rain in the afternoon. Highs in the upper 30s. Chance of precipitation 30 percent.
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