Marine Weather Net

Old Lyme, CT Weather Forecast


Marine Forecast:


Old Lyme, Connecticut

 Lat: 41.32N, Lon: 72.33W

Current Conditions Updated: 656 PM EDT SAT JUL 25 2026

Clear


Temp: 70°F
  • Humidity:
  • 65%
  • Winds:
  • 8 MPH ESE
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.02 in.
  • Dewpoint:
  • 58°F
  • Heat index:
  • 75°F

  • Sunrise:
  • 5:36 AM EDT
  • Sunset:
  • 8:12 PM EDT
  • Moonrise:
  • 5:52 PM EDT
  • Moonset:
  • 1:36 AM EDT

THIS AFTERNOON

SUNNY

Lo: 55°F

SUNDAY

SUNNY

Hi: 81°F
Lo: 55°F

MONDAY

SUNNY

Hi: 81°F
Lo: 61°F

TUESDAY

PARTLY SUNNY
Hi: 79°F
Lo: 61°F
Precip: 70%
Weather Forecast In Detail:
Forecast Issued: 223 PM EDT Sat Jul 25 2026

This Afternoon...Sunny. Near steady temperature in the upper 70s. Southeast winds 5 to 10 mph.
Tonight...Mostly clear. Lows in the mid 50s. Southeast winds around 5 mph, becoming northeast after midnight.
Sunday...Sunny. Highs in the lower 80s. Northeast winds around 5 mph, becoming east in the afternoon.
Sunday Night...Mostly clear. Lows in the mid 50s. Southeast winds 5 to 10 mph in the evening, becoming light and variable.
Monday...Sunny. Highs in the lower 80s. Southeast winds 5 to 10 mph.
Monday Night...Partly cloudy. Lows in the lower 60s.
Tuesday...Partly sunny with a chance of showers in the morning, then mostly cloudy with showers likely in the afternoon. Highs in the upper 70s. Chance of rain 70 percent.
Tuesday Night...Showers with a chance of thunderstorms. Lows in the lower 60s. Chance of rain 80 percent.
Wednesday...Showers. Highs in the upper 70s. Chance of rain 80 percent.
Wednesday Night...Mostly cloudy. Showers likely, mainly in the evening. Lows in the lower 60s. Chance of rain 70 percent.
Thursday...Partly sunny. A chance of showers. Highs in the lower 80s. Chance of rain 50 percent.
Thursday Night...Partly cloudy. A chance of showers in the evening. Lows in the lower 60s. Chance of rain 50 percent.
Friday...Mostly sunny. Highs in the lower 80s.
Friday Night...Partly cloudy. Lows in the mid 60s.
Saturday...Mostly sunny. Highs in the mid 80s.
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