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As of 20:56 EDT

Weather in Haddam, CT

48°Current weather

Haddam, Thursday, 15 October, 20:56

Clear. Feels like 45°. High 62°, low 48°.

Pressure30.18 inHg
Wind6.2 mph S
Humidity89%
Visibility6.2 mi
Dew point45°
Fri, 1671° / 49°0.58Heavy rain
71 °Heavy rain

Haddam, Friday, 16 October

Heavy rain. High 71°, low 49°.

Pressure29.80 inHg
Wind11.5 mph S
Humidity97%
Visibility6.2 mi
Dew point63°
Sat, 1758° / 40°0.03Light rain
58 °Light rain

Haddam, Saturday, 17 October

Light rain. High 58°, low 40°.

Pressure30.12 inHg
Wind13 mph NW
Humidity51%
Visibility6.2 mi
Dew point32°
Sun, 1854° / 36°0Clear
54 °Clear

Haddam, Sunday, 18 October

Clear. High 54°, low 36°.

Pressure30.59 inHg
Wind3.2 mph N
Humidity47%
Visibility6.2 mi
Dew point28°
Mon, 1960° / 40°0Partly cloudy
60 °Partly cloudy

Haddam, Monday, 19 October

Partly cloudy. High 60°, low 40°.

Pressure30.53 inHg
Wind5.7 mph N
Humidity55%
Visibility6.2 mi
Dew point40°
Tue, 2061° / 45°0Overcast
61 °Overcast

Haddam, Tuesday, 20 October

Overcast. High 61°, low 45°.

Pressure30.24 inHg
Wind9.8 mph N
Humidity69%
Visibility—
Dew point42°
Wed, 2160° / 42°0Clear
60 °Clear

Haddam, Wednesday, 21 October

Clear. High 60°, low 42°.

Pressure30.30 inHg
Wind11.1 mph N
Humidity55%
Visibility—
Dew point39°
Thu, 2257° / 38°0Clear
57 °Clear

Haddam, Thursday, 22 October

Clear. High 57°, low 38°.

Pressure30.47 inHg
Wind5.3 mph NE
Humidity60%
Visibility—
Dew point37°
Fri, 2365° / 43°0Clear
65 °Clear

Haddam, Friday, 23 October

Clear. High 65°, low 43°.

Pressure30.27 inHg
Wind7.3 mph NW
Humidity60%
Visibility—
Dew point41°
Sat, 2458° / 40°0Clear
58 °Clear

Haddam, Saturday, 24 October

Clear. High 58°, low 40°.

Pressure30.39 inHg
Wind6.5 mph E
Humidity60%
Visibility—
Dew point38°
Sun, 2555° / 37°0Clear
55 °Clear

Haddam, Sunday, 25 October

Clear. High 55°, low 37°.

Pressure30.50 inHg
Wind6.4 mph NE
Humidity57%
Visibility—
Dew point33°
Mon, 2666° / 40°0Clear
66 °Clear

Haddam, Monday, 26 October

Clear. High 66°, low 40°.

Pressure30.36 inHg
Wind8.8 mph NW
Humidity57%
Visibility—
Dew point41°
Tue, 2758° / 42°0Clear
58 °Clear

Haddam, Tuesday, 27 October

Clear. High 58°, low 42°.

Pressure30.45 inHg
Wind4.6 mph N
Humidity60%
Visibility—
Dew point38°
Wed, 2861° / 42°0Overcast
61 °Overcast

Haddam, Wednesday, 28 October

Overcast. High 61°, low 42°.

Pressure30.45 inHg
Wind6.4 mph SW
Humidity50%
Visibility—
Dew point36°
Thu, 2968° / 49°0Overcast
68 °Overcast

Haddam, Thursday, 29 October

Overcast. High 68°, low 49°.

Pressure30.27 inHg
Wind6.8 mph SW
Humidity62%
Visibility—
Dew point47°
Fri, 3069° / 53°0Clear
69 °Clear

Haddam, Friday, 30 October

Clear. High 69°, low 53°.

Pressure30.12 inHg
Wind8.6 mph SW
Humidity59%
Visibility—
Dew point48°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Haddam, CT are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Haddam, CT since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.