Marine Weather Net

Haddam, CT Weather Forecast


Marine Forecast:


Haddam, Connecticut

 Lat: 41.48N, Lon: 72.51W

Current Conditions Updated: 1053 AM EDT FRI SEP 18 2026

Clear


Temp: 77°F
  • Humidity:
  • 59%
  • Winds:
  • 12 MPH NNE
  • Gusts:
  • 20 MPH
  • Barometer:
  • 30.07 in.
  • Dewpoint:
  • 62°F
  • Heat index:
  • 79°F

  • Sunrise:
  • 6:31 AM EDT
  • Sunset:
  • 6:54 PM EDT
  • Moonrise:
  • 2:29 PM EDT
  • Moonset:
  • 11:01 PM EDT

TODAY

MOSTLY SUNNY
Hi: 79°F
Lo: 47°F

SATURDAY

MOSTLY SUNNY
Hi: 69°F
Lo: 51°F

SUNDAY

CHANCE OF SHOWERS
Hi: 65°F
Lo: 55°F
Precip: 80%

MONDAY

PARTLY SUNNY
Hi: 65°F
Lo: 51°F
Precip: 60%
Weather Forecast In Detail:
Forecast Issued: 519 AM EDT Fri Sep 18 2026

Today...Mostly sunny. Highs in the upper 70s. North winds 5 to 10 mph.
Tonight...Mostly clear in the evening, then becoming partly cloudy. Cooler. Less humid with lows in the upper 40s. North winds 5 to 10 mph.
Saturday...Mostly sunny. Highs in the upper 60s. Northeast winds around 5 mph.
Saturday Night...Mostly cloudy. Lows in the lower 50s. Southeast winds around 5 mph.
Sunday...Mostly cloudy. A chance of showers in the morning, then showers in the afternoon. Highs in the mid 60s. Southeast winds around 5 mph. Chance of rain 80 percent.
Sunday Night...Showers. Lows in the mid 50s. Chance of rain 80 percent.
Monday...Mostly cloudy with showers likely in the morning, then partly sunny with a chance of showers in the afternoon. Highs in the mid 60s. Chance of rain 60 percent.
Monday Night...Mostly cloudy with a 40 percent chance of showers. Lows in the lower 50s.
Tuesday...Mostly cloudy with a 40 percent chance of showers. Highs in the lower 60s.
Tuesday Night...Mostly cloudy. A chance of showers in the evening. Lows in the upper 40s. Chance of rain 40 percent.
Wednesday...Partly sunny. Highs in the mid 60s.
Wednesday Night...Mostly cloudy with a 30 percent chance of showers. Lows in the upper 40s.
Thursday...Partly sunny with a 30 percent chance of showers. Highs in the mid 60s.
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