Marine Weather Net

Haddam, CT Weather Forecast


Marine Forecast:


Haddam, Connecticut

 Lat: 41.48N, Lon: 72.51W

Current Conditions Updated: 117 AM EDT WED AUG 19 2026

Mostly Clear
Temp: 69°F
  • Humidity:
  • 96%
  • Winds:
  • N/A
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.88 in.
  • Dewpoint:
  • 68°F
  • Heat index:
  • 69°F

  • Sunrise:
  • 6:01 AM EDT
  • Sunset:
  • 7:42 PM EDT
  • Moonrise:
  • 1:44 PM EDT
  • Moonset:
  • 10:54 PM EDT

THIS AFTERNOON

PARTLY SUNNY
Lo: 65°F
Precip: 20%

WEDNESDAY

SUNNY

Hi: 85°F
Lo: 65°F

THURSDAY

PARTLY SUNNY
Hi: 81°F
Lo: 60°F
Precip: 20%

FRIDAY

MOSTLY SUNNY
Hi: 81°F
Lo: 61°F
Weather Forecast In Detail:
Forecast Issued: 235 PM EDT Tue Aug 18 2026

This Afternoon...Partly sunny with a slight chance of showers and thunderstorms. Near steady temperature in the lower 80s. West winds around 5 mph. Chance of rain 20 percent.
Tonight...Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the mid 60s. Southwest winds around 5 mph in the evening, becoming light and variable.
Wednesday...Sunny. Highs in the mid 80s. West winds around 5 mph.
Wednesday Night...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s. Southwest winds around 5 mph in the evening, becoming light and variable.
Thursday...Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Northwest winds around 5 mph. Chance of rain 20 percent.
Thursday Night...Mostly cloudy in the evening, then becoming partly cloudy. Lows around 60.
Friday...Mostly sunny. Highs in the lower 80s.
Friday Night...Partly cloudy. Lows in the lower 60s.
Saturday...Partly sunny with a 50 percent chance of showers. Highs in the upper 70s.
Saturday Night...Mostly cloudy with a 50 percent chance of showers. Lows in the lower 60s.
Sunday...Mostly cloudy with a chance of showers in the morning, then partly sunny with a chance of showers in the afternoon. Highs around 80. Chance of rain 50 percent.
Sunday Night...Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers. Lows in the lower 60s. Chance of rain 50 percent.
Monday...Sunny. Highs in the upper 70s.
Monday Night...Mostly clear. Lows in the upper 50s.
Tuesday...Sunny. Highs around 80.
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