Marine Weather Net

Old Lyme, CT Weather Forecast


Marine Forecast:


Old Lyme, Connecticut

 Lat: 41.32N, Lon: 72.33W

Current Conditions Updated: 156 AM EST THU JAN 22 2026

Overcast
Temp: 39°F
  • Humidity:
  • 85%
  • Winds:
  • 10 MPH SW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.08 in.
  • Dewpoint:
  • 35°F
  • Heat index:
  • 39°F

  • Sunrise:
  • 7:08 AM EST
  • Sunset:
  • 4:51 PM EST
  • Moonrise:
  • 9:09 AM EST
  • Moonset:
  • 9:09 PM EST

TODAY

PARTLY SUNNY
Hi: 41°F
Lo: 21°F

FRIDAY

MOSTLY SUNNY
Hi: 31°F
Lo: 4°F

SATURDAY

MOSTLY SUNNY
Hi: 15°F
Lo: 8°F

SUNDAY

SNOW
Hi: 21°F
Lo: 13°F
Precip: 90%
Weather Forecast In Detail:
Forecast Issued: 103 AM EST Thu Jan 22 2026

Today...Partly sunny. Highs in the lower 40s. West winds 10 to 15 mph with gusts up to 25 mph.
Tonight...Partly cloudy. Lows in the lower 20s. West winds 5 to 10 mph. Gusts up to 20 mph in the evening.
Friday...Mostly sunny. Highs in the lower 30s. West winds 10 to 15 mph with gusts up to 30 mph.
Friday Night...Partly cloudy in the evening, then clearing. Colder with lows around 4 above. Northwest winds 10 to 15 mph with gusts up to 25 mph. Wind chill values as low as 11 below after midnight.
Saturday...Mostly sunny. Colder with highs around 15. Northwest winds 10 to 15 mph with gusts up to 25 mph. Wind chill values as low as 12 below in the morning.
Saturday Night...Mostly cloudy. A chance of snow after midnight. Cold with lows 5 to 10 above. Chance of snow 30 percent. Wind chill values as low as zero.
Sunday...Snow. Little or no snow accumulation. Cold with highs in the lower 20s. Chance of snow 90 percent. Wind chill values as low as zero.
Sunday Night...Snow. Lows 10 to 15. Chance of snow 90 percent.
Monday...Mostly cloudy with a 50 percent chance of snow. Highs in the mid 20s.
Monday Night...Partly cloudy. Cold with lows 5 to 10 above. Wind chill values as low as 5 below.
Tuesday...Mostly sunny. Cold with highs in the lower 20s. Wind chill values as low as 5 below in the morning.
Tuesday Night...Mostly clear. Lows around 10 above. Wind chill values as low as zero.
Wednesday...Mostly sunny. Highs in the mid 20s. Wind chill values as low as zero in the morning.
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