Local weather forecast

Weather in Haddam, CT

Updated 2026-09-26 11:00 local time · ZIP codes 06438

Patchy rain nearby
Now56°F

Patchy rain nearby

High / Low58° / 52°
Rain chance90%
Wind19 mph
Weather alerts

Active alerts

2
Wind Advisory issued September 26 at 2:03AM EDT until September 27 at 8:00AM EDT by NWS Boston/Norton MA

* WHAT...Northeast winds 15 to 25 mph with gusts up to 45 mph. * WHERE...In Connecticut, Hartford CT, Tolland CT, and Windham CT Counties. In Massachusetts, Northern Worcester MA, Northern Middlesex MA, and Eastern Hampden MA Counties. * WHEN...Until 8 AM EDT Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Safety instructions

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

Gale Warning issued September 26 at 4:30AM EDT until September 27 at 6:00PM EDT by NWS Upton NY

* WHAT...Northeast winds 25 to 35 kt with gusts up to 45 kt and seas 5 to 8 ft. Occasional gusts up to 50 kt possible on the waters E of Orient Point. * WHERE...Long Island Sound east of Port Jefferson and New Haven, and the south shore and eastern bays of Long Island. * WHEN...Until 6 PM EDT Sunday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility.

Safety instructions

Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions.

Hourly

Next hours

NowPatchy rain nearby56°36% rain
12 PMPatchy rain nearby57°27% rain
1 PMLight rain shower56°53% rain
2 PMLight rain shower55°48% rain
3 PMLight rain shower54°67% rain
4 PMLight rain shower54°56% rain
5 PMLight rain shower54°65% rain
6 PMLight rain shower54°78% rain
7 PMLight rain shower54°80% rain
8 PMLight rain shower55°72% rain
9 PMLight rain shower55°68% rain
10 PMLight rain shower55°74% rain
Forecast

3-day weather forecast

Today2026-09-26
Light rain shower
58° 52°Light rain shower
Rain 90%Gust 21 mph
Tomorrow2026-09-27
Light rain shower
63° 55°Light rain shower
Rain 94%Gust 22 mph
Monday2026-09-28
Light rain shower
62° 54°Light rain shower
Rain 94%Gust 11 mph
Conditions

Weather details

Feels like47°F
Humidity83%
Pressure29.84 inHg
Visibility6 mi
Wind19 mph NNE
Wind gusts44 mph
Precipitation0.00 in
UV index1
Daylight

Sunrise, sunset and moon

Sunrise06:41 AM
Sunset06:41 PM
Moonrise06:29 PM
Moon phaseFull Moon
Next 24 hours

Key weather changes ahead

Warmest hour10 AM · 61°F
Coolest hour4 PM · 54°F
Highest rain chance3 AM · 93%
Strongest gusts8 AM · 45 mph
Practical guide

Weather insights for today

Take an umbrella

Rain chance reaches about 80% over the next 12 hours.

A jacket or sweater is a good idea

It feels like 47°F with winds near 19 mph.

Best window: 12 PM

57°F, 27% rain chance and 18 mph wind.

Use extra caution while driving

Visibility is around 6 mi; gusts may reach 44 mph.

Running conditions are less comfortable

Current temperature is 56°F, wind 19 mph, rain chance up to 80%.

Low UV protection needs

UV index is 1.

Local weather characteristics in Haddam

Connecticut has four distinct seasons, humid summers and cold winters, with coastal influence near Long Island Sound and periodic nor'easters in the colder months.

Haddam is part of the Northeast weather region. The forecast point is near 41.48°N latitude and 72.51°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.

Haddam weather today

Patchy rain nearby and 56°F in Haddam, CT. Today's high is 58°F with a 90% rain chance. Winds are around 19 mph with gusts near 44 mph. Relative humidity is 83%, pressure is 29.84 inHg, and visibility is about 6 miles.

Tonight and tomorrow in Haddam

Sunrise is at 06:41 AM and sunset is at 06:41 PM. Tomorrow's forecast calls for Light rain shower with a high near 63°F and a low near 55°F. The maximum rain chance is 94%.

Nearby

Weather near Haddam

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