Live Weather & Forecast
Weather in West Haven
Connecticut, United States · Real-time conditions & 3-day outlook
9°C
Feels like 8°C
48°F / Feels 46°F
Sunny
West Haven, Connecticut
🌞 Daytime
Updated: 2026-04-12 11:15
Humidity
39%
Wind
8.6 km/h SSE
Wind Gust
9.9 km/h
Pressure
1034 mb
Visibility
16 km
UV Index
4.7
(Moderate)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
1.8°C
Wind Degree
159°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
181.9 μg/m³
NO₂
5.1 μg/m³
O₃
103 μg/m³
SO₂
2.2 μg/m³
PM 2.5
7.4 μg/m³
PM 10
8.7 μg/m³
Weather Alerts 1
Met
· Minor · Expected
Frost Advisory issued April 11 at 1:23PM EDT until April 12 at 9:00AM EDT by NWS Upton NY
* WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...In Connecticut, Southern Middlesex and Southern New London Counties. In New Jersey, Western Bergen and Western Passaic Counties. In New York, Northeast Suffolk, Northern Westchester, Rockland, and Southeast Suffolk Counties. * WHEN...From midnight tonight to 9 AM EDT Sunday. * IMPACTS...Frost could harm sensitive outdo...
Take steps now to protect tender plants from the cold.
Today's Hourly Forecast
24-hour breakdown for West Haven, Connecticut
12 AM
7°
Clear
1 AM
7°
Clear
2 AM
7°
Clear
3 AM
6°
Clear
4 AM
6°
Clear
5 AM
5°
Clear
6 AM
5°
Clear
7 AM
5°
Sunny
8 AM
6°
Sunny
9 AM
7°
Sunny
10 AM
8°
Sunny
11 AM
9°
Sunny
12 PM
10°
Sunny
1 PM
10°
Sunny
2 PM
11°
Sunny
3 PM
11°
Sunny
4 PM
11°
Sunny
5 PM
10°
Sunny
6 PM
10°
Cloudy
7 PM
9°
Partly Cloudy
8 PM
8°
Overcast
9 PM
8°
Partly Cloudy
10 PM
7°
Partly Cloudy
11 PM
7°
Cloudy
3-Day Forecast
Daily overview for West Haven, Connecticut
Today
Sunny
11°
/
4°
🌧️ 0% chance of rain
💧 Avg. humidity: 57%
💨 Max wind: 17.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:17 AM
🌇 Sunset: 07:29 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Overcast
14°
/
7°
🌧️ 0% chance of rain
💧 Avg. humidity: 89%
💨 Max wind: 25.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 0.9
🌅 Sunrise: 06:15 AM
🌇 Sunset: 07:30 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Partly Cloudy
20°
/
14°
🌧️ 0% chance of rain
💧 Avg. humidity: 81%
💨 Max wind: 14.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.8
🌅 Sunrise: 06:14 AM
🌇 Sunset: 07:31 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit West Haven
Plan your trip to West Haven, 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 West Haven?
Current conditions in West Haven: Sunny, temperature 9°C, humidity 39%.
What is the best time to visit West Haven?
The best time to visit West Haven is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in West Haven?
West Haven is located at approximately 41.3° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in West Haven?
The wettest period in West Haven is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to West Haven?
For visits to West Haven during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is West Haven in?
West Haven is located in United States, in the state of Connecticut.
What are the public holidays in West Haven in 2026?
View the 2026 public holidays for West Haven on our Holidays page.
What are the GPS coordinates used for the weather forecast in West Haven?
The weather forecast for West Haven uses coordinates 41.2707, -72.947.