Marine Weather Net

Old Lyme, CT Weather Forecast


Marine Forecast:


Old Lyme, Connecticut

 Lat: 41.32N, Lon: 72.33W

Current Conditions Updated: 207 PM EDT SUN JUL 19 2026

Partly Cloudy
Temp: 78°F
  • Humidity:
  • 45%
  • Winds:
  • 16 MPH NNW
  • Gusts:
  • 22 MPH
  • Barometer:
  • 29.78 in.
  • Dewpoint:
  • 55°F
  • Heat index:
  • 79°F

  • Sunrise:
  • 5:31 AM EDT
  • Sunset:
  • 8:17 PM EDT
  • Moonrise:
  • 11:35 AM EDT
  • Moonset:
  • 11:07 PM EDT

TODAY

SUNNY

Hi: 81°F
Lo: 55°F

MONDAY

SUNNY

Hi: 81°F
Lo: 59°F

TUESDAY

PARTLY SUNNY
Hi: 79°F
Lo: 65°F
Precip: 50%

WEDNESDAY

CHANCE OF T-STORM
Hi: 79°F
Lo: 61°F
Precip: 100%
Weather Forecast In Detail:
Forecast Issued: 431 AM EDT Sun Jul 19 2026

Today...Sunny. Highs in the lower 80s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
Tonight...Clear. Lows in the mid 50s. Northwest winds 5 to 10 mph.
Monday...Sunny. Highs in the lower 80s. Northwest winds around 5 mph, becoming southwest in the afternoon.
Monday Night...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s. South winds 5 to 10 mph.
Tuesday...Partly sunny in the morning, then mostly cloudy with a chance of showers in the afternoon. Highs in the upper 70s. Southeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent.
Tuesday Night...Showers with a chance of thunderstorms. Lows in the mid 60s. Chance of rain near 100 percent.
Wednesday...Showers in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain near 100 percent.
Wednesday Night...Mostly cloudy. Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the lower 60s. Chance of rain 80 percent.
Thursday...Partly sunny. A chance of showers in the morning. Highs in the upper 70s. Chance of rain 40 percent.
Thursday Night...Mostly clear. Lows in the upper 50s.
Friday...Sunny. Highs in the lower 80s.
Friday Night...Partly cloudy. Lows in the lower 60s.
Saturday...Mostly sunny. Highs in the lower 80s.
SHARE THIS PAGE: