See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
15°
Clear
Feels Like: 5°
Min: 8°
Max: 30°
The next few hours will be clear, with today reaching 30°C and dropping to 7°C. The coming days will be cloudy
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:26
Sunrise
19:42
Sunset
Moon
Waxing Crescent
12:18
Moonrise
21:14
Moonset
Daily Forecast
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Wednesday
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Weather in New Haven today, September 15, 2026
Cloud cover dominates in New Haven on September 15, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells. Expect a grey start, with morning cloud around 100% by 09:00. Outdoor plans early on should not rely on bright skies.
The temperature range runs from about 8°C up to 30°C. Expect humidity between 50% and 84%, most humid near 04:00. Winds stay light, near 6.1 km/h by 10:00, so the day feels still more than breezy.
Through the afternoon cloud remains the main feature, with cover near 100% around 12:00. Bright spells should stay limited even as the day wears on. Expect visibility around 16.1 km. Daylight runs from 07:26 to 19:42, lasting 12 hours 15 minutes of sunlight today.
Taken together, overcast skies in New Haven on September 15, 2026 favour indoor or covered options, with temperatures near 30°C.
Frequently asked questions about weather in New Haven
How warm does it get in New Haven?
The warmest month in New Haven is July, with average high temperatures of 29°C. The average temperature during this period is around 24°C.
How cold does it get in New Haven?
The coldest month in New Haven is January, with average low temperatures of -5°C. The average temperature during this period is around -2°C.
What is the wettest time of year in New Haven?
The wettest month in New Haven is May, with an average of 112mm of precipitation.
What is the driest time of year in New Haven?
The driest month in New Haven is September, with an average of 60mm of precipitation.
