New Britain, CT Weather & Growing Conditions
Today
83°F
Sunny
Sunny, with a high near 83. West wind 0 to 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Sunny | 0 to 3 mph W | 0% |
| Tonight | 60°F | Partly Cloudy | 0 to 3 mph SW | 2% |
| Wednesday | 82°F | Partly Sunny | 0 to 6 mph SW | 3% |
| Wednesday Night | 66°F | Mostly Cloudy then Slight Chance Rain Showers | 1 to 6 mph S | 15% |
| Thursday | 85°F | Chance Rain Showers | 1 to 9 mph S | 42% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 54% |
| Friday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 8 mph SW | 35% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 1 to 6 mph SW | 47% |
| Saturday | 85°F | Partly Sunny then Chance Rain Showers | 1 to 7 mph W | 31% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 42% |
| Sunday | 86°F | Mostly Sunny then Slight Chance Rain Showers | 1 to 7 mph W | 18% |
| Sunday Night | 68°F | Slight Chance Rain Showers then Partly Cloudy | 2 to 6 mph SW | 22% |
| Monday | 87°F | Sunny | 2 to 9 mph SW | 11% |
| Monday Night | 68°F | Mostly Clear | 8 mph W | 13% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for New Britain, CT
Last spring frost
Apr 17
First fall frost
Oct 26
Growing season
191 days
Hardiness zone
6b
Explore more for New Britain, CT: full frost dates · planting calendar · Connecticut frost dates
Climate data from the nearest NOAA station, Hartford Brainard Fld, Ct (8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.