Live Weather & Forecast
Weather in Haddam
Connecticut, United States · Real-time conditions & 3-day outlook
8°C
Feels like 5°C
46°F / Feels 41°F
Overcast
Haddam, Connecticut
🌙 Nighttime
Updated: 2026-04-13 05:15
Humidity
73%
Wind
16.2 km/h SSW
Wind Gust
27.3 km/h
Pressure
1023 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
100%
Dew Point
4.4°C
Wind Degree
196°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
163.9 μg/m³
NO₂
7.4 μg/m³
O₃
93 μg/m³
SO₂
2.9 μg/m³
PM 2.5
7.3 μg/m³
PM 10
9.1 μg/m³
Today's Hourly Forecast
24-hour breakdown for Haddam, Connecticut
12 AM
8°
Clear
1 AM
8°
Partly Cloudy
2 AM
8°
Clear
3 AM
8°
Clear
4 AM
8°
Cloudy
5 AM
8°
Overcast
6 AM
9°
Light drizzle
7 AM
10°
Patchy rain nearby
8 AM
11°
Patchy rain nearby
9 AM
12°
Patchy rain nearby
10 AM
14°
Patchy rain nearby
11 AM
15°
Overcast
12 PM
17°
Overcast
1 PM
20°
Sunny
2 PM
22°
Sunny
3 PM
23°
Sunny
4 PM
24°
Sunny
5 PM
25°
Sunny
6 PM
21°
Sunny
7 PM
17°
Overcast
8 PM
17°
Clear
9 PM
17°
Partly Cloudy
10 PM
16°
Clear
11 PM
17°
Clear
3-Day Forecast
Daily overview for Haddam, Connecticut
Today
Patchy rain nearby
27°
/
7°
🌧️ 81% chance of rain
💧 Avg. humidity: 78%
💨 Max wind: 22.7 km/h
🌧️ Total precip: 0.33 mm
☀️ UV Index: 1.4
🌅 Sunrise: 06:13 AM
🌇 Sunset: 07:29 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Patchy rain nearby
24°
/
11°
🌧️ 86% chance of rain
💧 Avg. humidity: 80%
💨 Max wind: 19.8 km/h
🌧️ Total precip: 1.05 mm
☀️ UV Index: 1.8
🌅 Sunrise: 06:12 AM
🌇 Sunset: 07:30 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Partly Cloudy
28°
/
13°
🌧️ 0% chance of rain
💧 Avg. humidity: 78%
💨 Max wind: 18 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:10 AM
🌇 Sunset: 07:31 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Best Time to Visit Haddam
Plan your trip to Haddam, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Haddam?
Current conditions in Haddam: Overcast, temperature 8°C, humidity 73%.
What is the best time to visit Haddam?
The best time to visit Haddam is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Haddam?
Haddam is located at approximately 41.5° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Haddam?
The wettest period in Haddam is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Haddam?
For visits to Haddam during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Haddam in?
Haddam is located in United States, in the state of Connecticut.
What are the public holidays in Haddam in 2026?
View the 2026 public holidays for Haddam on our Holidays page.
What are the GPS coordinates used for the weather forecast in Haddam?
The weather forecast for Haddam uses coordinates 41.4803, -72.5161.