Hartford, CT Weather & Growing Conditions
This Afternoon
71°F
Mostly Cloudy
Mostly cloudy. High near 71, with temperatures falling to around 64 in the afternoon. South wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Mostly Cloudy | 7 mph S | 2% |
| Tonight | 50°F | Partly Cloudy | 6 mph S | 3% |
| Wednesday | 75°F | Sunny | 3 to 10 mph S | 3% |
| Wednesday Night | 55°F | Partly Cloudy | 5 to 8 mph S | 1% |
| Thursday | 72°F | Chance Light Rain | 5 to 13 mph S | 37% |
| Thursday Night | 62°F | Light Rain Likely | 5 to 9 mph S | 72% |
| Friday | 69°F | Rain | 5 mph S | 83% |
| Friday Night | 56°F | Rain | 6 mph W | 82% |
| Saturday | 66°F | Light Rain Likely | 7 mph NW | 57% |
| Saturday Night | 42°F | Chance Light Rain | 7 mph NW | 30% |
| Sunday | 60°F | Slight Chance Light Rain then Mostly Sunny | 8 mph W | 20% |
| Sunday Night | 37°F | Partly Cloudy | 5 mph W | 8% |
| Monday | 59°F | Slight Chance Light Rain | 5 to 15 mph NW | 20% |
| Monday Night | 36°F | Slight Chance Light Rain then Partly Cloudy | 8 mph W | 19% |
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 Nov 4, 2026.