Marine Weather Net

Old Lyme, CT Weather Forecast


Marine Forecast:


Old Lyme, Connecticut

 Lat: 41.32N, Lon: 72.33W

Current Conditions Updated: 556 PM EDT SAT OCT 11 2025

Clear


Temp: 58°F
  • Humidity:
  • 80%
  • Winds:
  • 12 MPH E
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.2 in.
  • Dewpoint:
  • 52°F
  • Heat index:
  • 58°F

  • Sunrise:
  • 6:54 AM EDT
  • Sunset:
  • 6:14 PM EDT
  • Moonrise:
  • 9:18 PM EDT
  • Moonset:
  • 12:42 PM EDT

TONIGHT

MOSTLY CLOUDY
Lo: 51°F

SUNDAY

CHANCE OF RAIN
Hi: 60°F
Lo: 51°F
Precip: 70%

COLUMBUS DAY

RAIN
Lo: 50°F
Precip: 90%

TUESDAY

PARTLY SUNNY
Hi: 61°F
Lo: 47°F
Precip: 50%
Weather Forecast In Detail:
Forecast Issued: 413 PM EDT Sat Oct 11 2025

Tonight...Mostly cloudy. Lows in the lower 50s. East winds 5 to 10 mph. Gusts up to 25 mph after midnight.
Sunday...Cloudy. A chance of rain in the morning, then rain likely in the afternoon. Highs around 60. Northeast winds 15 to 20 mph with gusts up to 40 mph. Chance of rain 70 percent.
Sunday Night...Rain, windy with lows in the lower 50s. Northeast winds 20 to 30 mph with gusts up to 50 mph. Chance of rain 90 percent.
Columbus Day...Rain, windy with highs around 60. Northeast winds 20 to 30 mph with gusts up to 50 mph. Chance of rain 90 percent.
Monday Night...Rain with a slight chance of thunderstorms. Lows around 50. Northeast winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 90 percent.
Tuesday...Mostly cloudy in the morning, then becoming partly sunny. A 50 percent chance of showers. Highs in the lower 60s.
Tuesday Night...Mostly cloudy with a chance of showers in the evening, then partly cloudy after midnight. Lows in the upper 40s. Chance of rain 40 percent.
Wednesday...Mostly sunny. Highs in the mid 60s.
Wednesday Night...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s.
Thursday...Mostly sunny. Highs in the mid 50s.
Thursday Night...Partly cloudy. Lows in the upper 30s.
Friday...Sunny. Highs in the upper 50s.
Friday Night...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s.
Saturday...Mostly sunny. Highs in the lower 60s.
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