See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
18°
Clear
Feels Like: 14°
Min: 12°
Max: 25°
The next few hours will be clear, with tomorrow reaching 26°C and dropping to 12°C. The coming days will be light rain
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:38
Sunrise
18:51
Sunset
Moon
Waxing Crescent
12:34
Moonrise
20:52
Moonset
Daily Forecast
Wednesday
Today
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Air Quality Data Available
Upgrade to access real-time air quality data for Hartford.
Resources
UV Index
Humidity
Weather in Hartford tomorrow, September 17, 2026
Hartford may turn murky on September 17, 2026, with fog or mist reducing clarity at times. Early travel in particular may need extra care. Cloud leads the morning, peaking close to 100% near 10:00. Sunshine has little room until later in the day.
The temperature range runs from about 15°C up to 26°C. Moisture in the air spans 57%-97%, with the highest values around 04:00. Winds stay light, near 3.8 km/h by 15:00, so the day feels still more than breezy.
Expect persistent cloud later on, with amounts around 100% by 12:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 14.7 km on average, though it can drop toward 12.6 km in thicker cloud or showers. Daylight runs from 06:39 to 18:49, lasting 12 hours 10 minutes of sunlight today.
The practical takeaway for Hartford on September 17, 2026 is reduced clarity at times, so plan journeys with care near 26°C.
Frequently asked questions about weather in Hartford
How warm does it get in Hartford?
The warmest month in Hartford 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 Hartford?
The coldest month in Hartford is January, with average low temperatures of -4°C. The average temperature during this period is around -1°C.
What is the wettest time of year in Hartford?
The wettest month in Hartford is July, with an average of 132mm of precipitation.
What is the driest time of year in Hartford?
The driest month in Hartford is June, with an average of 81mm of precipitation.
Explore more weather forecasts
- West Hartford, Connecticut
- New York City, New York
- Wethersfield, Connecticut
- Los Angeles, California
- East Hartford, Connecticut
- Brooklyn, New York
- Bloomfield, Connecticut
- Chicago, Illinois
- Newington, Connecticut
- Houston, Texas
- South Windsor, Connecticut
- Queens, New York
- Glastonbury, Connecticut
- Phoenix, Arizona
- Windsor, Connecticut
- Philadelphia, Pennsylvania
