Hartford, CT Weather & Growing Conditions
Overnight
60°F
Mostly Clear
Mostly clear, with a low around 60. South wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 60°F | Mostly Clear | 1 mph S | 0% |
| Tuesday | 84°F | Sunny | 0 to 3 mph W | 0% |
| Tuesday Night | 61°F | Partly Cloudy | 0 to 3 mph S | 2% |
| Wednesday | 83°F | Partly Sunny | 0 to 6 mph SW | 3% |
| Wednesday Night | 67°F | Mostly Cloudy | 1 to 5 mph S | 14% |
| Thursday | 87°F | Chance Rain Showers | 1 to 9 mph S | 42% |
| Thursday Night | 71°F | Chance Showers And Thunderstorms | 2 to 8 mph S | 54% |
| Friday | 89°F | Mostly Sunny then Chance Rain Showers | 2 to 8 mph SW | 34% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 1 to 6 mph SW | 46% |
| Saturday | 87°F | Mostly Sunny then Chance Rain Showers | 1 to 7 mph W | 31% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 42% |
| Sunday | 88°F | Mostly Sunny then Slight Chance Rain Showers | 0 to 7 mph W | 18% |
| Sunday Night | 70°F | Slight Chance Rain Showers then Partly Cloudy | 2 to 6 mph SW | 22% |
| Monday | 89°F | Sunny | 1 to 9 mph SW | 11% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Hartford, CT
Last spring frost
Apr 17
First fall frost
Oct 26
Growing season
191 days
Hardiness zone
6b
Explore more for Hartford, CT: full frost dates · planting calendar · Connecticut frost dates
Climate data from the nearest NOAA station, Hartford Brainard Fld, Ct (1.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.