Haddam, CT Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Haddam, CT.

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Alert Analysis for Haddam, CT →

Current Conditions — Haddam, CT

HARTFORD/BRAINAR (KHFD)

Clear

62.6 F

Humidity:25%

Wind Speed: 5.7 mph

Barometer:30.07 in

Dewpoint:26.6 F

Visibility:10.00 mi

Precip:--

Heat Index:NA

Wind Chill:NA

May 12 2026, 03:15 PM EDT

Observation Analysis for Haddam, CT →

5-Day Forecast — Haddam, CT

Tuesday

High 66 °F

Mostly Sunny

Tuesday
Night

Low 48 °F

Overcast

Wednesday

High 64 °F

Overcast

Wednesday
Night

Low 53 °F

Rain Likely

Thursday

High 64 °F

T-storms

Thursday
Night

Low 50 °F

Rain Likely

Friday

High 66 °F

Rain Showers Likely

Friday
Night

Low 51 °F

Partly Cloudy

Saturday

High 77 °F

Mostly Sunny

Detailed Forecast — Haddam, CT

Tuesday

Mostly Sunny. High near 66°F. Wind 7 to 10 mph, with gusts as high as 20 mph.

Tuesday Night

Overcast. Low around 48°F. Wind 1 to 7 mph, with gusts as high as 10 mph.

Wednesday

Overcast. High near 64°F. Wind 5 to 16 mph, with gusts as high as 28 mph.

Wednesday Night

Rain Likely. Low around 53°F. Wind 6 to 13 mph, with gusts as high as 25 mph.

Thursday

Thunderstorms. High near 64°F. Wind 5 to 8 mph, with gusts as high as 17 mph.

Thursday Night

Rain Likely. Low around 50°F. Wind 1 to 2 mph, with gusts as high as 9 mph.

Friday

Rain Showers Likely. High near 66°F. Wind 6 to 8 mph, with gusts as high as 18 mph.

Friday Night

Partly Cloudy. Low around 51°F. Wind 1 to 3 mph, with gusts as high as 10 mph.

Saturday

Mostly Sunny. High near 77°F. Wind 1 to 9 mph, with gusts as high as 18 mph.

Saturday Night

Mostly Clear. Low around 57°F. Wind 2 to 5 mph, with gusts as high as 15 mph.

Sunday

Mostly Sunny. High near 82°F. Wind 2 to 9 mph, with gusts as high as 20 mph.

Sunday Night

Partly Cloudy. Low around 59°F. Wind 1 to 5 mph, with gusts as high as 13 mph.

Monday

Partly Sunny. High near 82°F. Wind 0 to 7 mph, with gusts as high as 16 mph.

Observation History — Haddam, CT

Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Temperature (F)		Relative Humidity	Wind Chill (F)	Heat Index (F)	Pressure
Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Air	Dwpt	Relative Humidity	Wind Chill (F)	Heat Index (F)	altimeter (in)	sea level (mb)
03:15 PM EDT	5.7	10.00	Clear	--	62.6	26.6	25%	NA	NA	30.07	1018.3
03:05 PM EDT	10.4	10.00	Clear	--	64.4	28.4	26%	NA	NA	30.07	1018.3
03:00 PM EDT	NW 5.7	10.00	Clear	--	62.6	26.6	25%	NA	NA	30.07	1018.3
02:50 PM EDT	9.2	10.00	Clear	--	64.4	28.4	26%	NA	NA	30.07	1018.3
02:45 PM EDT	W 10.4 G 21.9	10.00	Clear	--	62.6	28.4	27%	NA	NA	30.07	1018.3
02:40 PM EDT	3.4	10.00	Clear	--	62.6	30.2	29%	NA	NA	30.07	1018.3
02:35 PM EDT	9.2	10.00	Clear	--	62.6	28.4	27%	NA	NA	30.08	1018.6
02:25 PM EDT		10.00	Clear	--	62.6	28.4	27%	NA	NA	30.08	1018.6
02:20 PM EDT	6.9	10.00	Clear	--	62.6	28.4	27%	NA	NA	30.08	1018.6
02:10 PM EDT	11.5	10.00	Clear	--	62.6	28.4	27%	NA	NA	30.09	1019.0
02:05 PM EDT	W 9.2	10.00	Clear	--	60.8	28.4	29%	NA	NA	30.09	1019.0
01:50 PM EDT		10.00	Clear	--	62.6	30.2	29%	NA	NA	30.09	1019.0
01:40 PM EDT		10.00	Clear	--	62.6	30.2	29%	NA	NA	30.09	1019.0
01:35 PM EDT	W 3.4	10.00	Clear	--	60.8	28.4	29%	NA	NA	30.10	1019.3
01:30 PM EDT		10.00	Clear	--	60.8	28.4	29%	NA	NA	30.10	1019.3
01:20 PM EDT	8.1	10.00	Clear	--	60.8	30.2	31%	NA	NA	30.10	1019.3
01:10 PM EDT	NW 9.2	10.00	Mostly Clear	--	60.8	30.2	31%	NA	NA	30.10	1019.3
01:05 PM EDT	NW 11.5	10.00	Mostly Clear	--	59.0	28.4	31%	NA	NA	30.10	1019.3
01:00 PM EDT	11.5	10.00	Mostly Clear	--	59.0	28.4	31%	NA	NA	30.11	1019.6
12:45 PM EDT	W 9.2	10.00	Mostly Clear	--	60.8	28.4	29%	NA	NA	30.11	1019.6
12:40 PM EDT	E 4.6 G 16.1	10.00	Mostly Clear	--	60.8	30.2	31%	NA	NA	30.11	1019.6
12:35 PM EDT	E 4.6 G 16.1	10.00	Mostly Clear	--	60.8	28.4	29%	NA	NA	30.12	1020.0
12:25 PM EDT	E 4.6 G 16.1	10.00	Mostly Clear	--	60.8	28.4	29%	NA	NA	30.12	1020.0
12:20 PM EDT	E 4.6 G 16.1	10.00	Mostly Clear	--	60.8	28.4	29%	NA	NA	30.12	1020.0