Marine Weather Net

Old Saybrook, CT Weather Forecast


Marine Forecast:


Old Saybrook, Connecticut

 Lat: 41.29N, Lon: 72.38W

Current Conditions Updated: 656 AM EDT THU SEP 17 2026

Mostly Cloudy
Temp: 63°F
  • Humidity:
  • 100%
  • Winds:
  • N/A
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.26 in.
  • Dewpoint:
  • 63°F
  • Heat index:
  • 63°F

  • Sunrise:
  • 6:29 AM EDT
  • Sunset:
  • 6:55 PM EDT
  • Moonrise:
  • 1:33 PM EDT
  • Moonset:
  • 10:10 PM EDT

TODAY

PARTLY SUNNY
Hi: 79°F
Lo: 65°F

FRIDAY

PARTLY SUNNY
Hi: 79°F
Lo: 55°F
Precip: 20%

SATURDAY

MOSTLY SUNNY
Hi: 69°F
Lo: 55°F

SUNDAY

SHOWERS
Hi: 69°F
Lo: 55°F
Precip: 90%
Weather Forecast In Detail:
Forecast Issued: 157 AM EDT Thu Sep 17 2026

Today...Partly sunny this morning, then becoming mostly cloudy. Patchy fog this morning. Highs in the upper 70s. South winds 5 to 10 mph.
Tonight...Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Humid with lows in the mid 60s. Southwest winds 5 to 10 mph. Chance of rain 50 percent.
Friday...Partly sunny. A slight chance of showers in the morning. Highs in the upper 70s. North winds 5 to 10 mph. Gusts up to 20 mph in the morning. Chance of rain 20 percent.
Friday Night...Mostly clear in the evening, then becoming partly cloudy. Less humid with lows in the mid 50s. North winds 5 to 10 mph.
Saturday...Mostly sunny. Highs in the upper 60s. Northeast winds 5 to 10 mph, becoming southeast in the afternoon.
Saturday Night...Mostly cloudy. Lows in the mid 50s.
Sunday...Showers likely in the morning, then showers in the afternoon. Highs in the upper 60s. Chance of rain 90 percent.
Sunday Night...Showers, mainly in the evening. Lows in the mid 50s. Chance of rain 90 percent.
Monday...Partly sunny. A chance of showers in the morning. Highs in the upper 60s. Chance of rain 30 percent.
Monday Night...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 50s.
Tuesday...Mostly sunny. Highs in the upper 60s.
Tuesday Night...Partly cloudy. Lows around 50.
Wednesday...Mostly sunny. Highs in the upper 60s.
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