Hartford, CT Weather
Hartford hourly forecast: next 24 hours
Today's high of 93°F (34°C) is about 8°F (4°C) above the typical July high of 85°F (29°C).
Current conditions in detail
Hartford weather tomorrow (Saturday, July 18)
Tomorrow in Hartford looks sunny, with a high of 88° and an overnight low of 61°. There is a 66% chance of rain - plan accordingly. Winds top out near 15 mph, and the UV index reaches 5 (moderate).
Hartford 14-day forecast
About the weather in Hartford
Located in Connecticut, United States, Hartford experiences a humid subtropical climate with hot, humid summers and generally mild winters. Afternoon temperatures peak near 85°F (29°C) in July and dip to about 38°F (3°C) in January, with around 48.5 inches (1232 mm) of precipitation falling across the year.
Hartford weather: quick facts
- Hottest month: July - highs near 85°F (29°C)
- Coldest month: January - highs near 38°F (3°C)
- Record high: 99°F (37°C) · Record low: -16°F (-26°C) (2015–2024)
- Wettest month: September (9 rainy days) · Sunniest: July (11.2 h sun/day)
- Climate type: humid subtropical - hot, humid summers and generally mild winters
- Snow: about 14 days a year
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 85°F (29°C) and overnight lows stay near 66°F (19°C). The coolest month is January, with typical highs of 38°F (3°C) and lows around 22°F (-5°C). Based on 2015–2024 weather data, temperatures have reached as high as 99°F (37°C) and dropped as low as -16°F (-26°C).
Rain, sun and snow
September is usually the wettest month. It brings about 5.0 inches (127 mm) of rain over 9 days, while November is the driest. July brings the most sunshine, averaging 11.2 hours of sun a day. Snow falls on about 14 days in a typical year, mostly from November through April.
Season by season
Spring (March through May)
Spring in Hartford is mild, with daytime highs averaging 59°F (15°C) and nights around 39°F (4°C); expect showers on roughly 34 days across the season, plus around 3 snowy days.
Summer (June through August)
Summer in Hartford is hot, with daytime highs averaging 82°F (28°C) and nights around 63°F (17°C); expect showers on roughly 35 days across the season.
Fall (September through November)
Fall in Hartford stays on the cool side of mild, with daytime highs averaging 64°F (18°C) and nights around 47°F (8°C); expect showers on roughly 28 days across the season.
Winter (December through February)
Winter in Hartford runs cold, with daytime highs averaging 40°F (5°C) and nights around 24°F (-4°C); expect showers on roughly 31 days across the season, plus around 10 snowy days.
Average temperatures in Hartford by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 38° | 22° | 10 | 4.0 in | 6.1 h/day | 67% |
| February | 41° | 22° | 10 | 3.4 in | 6.8 h/day | 69% |
| March | 48° | 29° | 11 | 4.0 in | 8.1 h/day | 65% |
| April | 59° | 39° | 12 | 4.3 in | 8.4 h/day | 68% |
| May | 70° | 50° | 11 | 3.6 in | 9.8 h/day | 70% |
| June | 79° | 59° | 11 | 3.5 in | 10.9 h/day | 71% |
| July | 85° | 66° | 13 | 5.0 in | 11.2 h/day | 74% |
| August | 83° | 65° | 11 | 3.7 in | 10.5 h/day | 74% |
| September | 76° | 58° | 9 | 5.0 in | 8.7 h/day | 76% |
| October | 65° | 48° | 10 | 4.4 in | 7.5 h/day | 76% |
| November | 52° | 36° | 9 | 3.1 in | 6.7 h/day | 72% |
| December | 43° | 28° | 11 | 4.5 in | 5.6 h/day | 74% |