New Milford, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Milford, a community in Litchfield County, Connecticut.
This Afternoon
66°F
Mostly Sunny
Mostly sunny, with a high near 66. East wind around 3 mph.
7-day forecast for New Milford
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Mostly Sunny | 3 mph E | 0% |
| Tonight | 50°F | Mostly Cloudy | 3 mph SE | 6% |
| Sunday | 63°F | Rain | 3 to 7 mph SE | 99% |
| Sunday Night | 51°F | Rain then Rain Showers Likely | 3 to 10 mph NE | 92% |
| Monday | 66°F | Partly Sunny | 6 to 10 mph N | 10% |
| Monday Night | 46°F | Mostly Cloudy | 3 to 7 mph NE | 9% |
| Tuesday | 61°F | Mostly Cloudy | 8 mph NE | 14% |
| Tuesday Night | 45°F | Mostly Cloudy | 5 to 10 mph NE | 10% |
| Wednesday | 62°F | Partly Sunny | 9 to 13 mph NE | 7% |
| Wednesday Night | 45°F | Mostly Cloudy then Chance Rain Showers | 9 to 14 mph NE | 25% |
| Thursday | 61°F | Chance Rain Showers | 10 to 15 mph NE | 31% |
| Thursday Night | 46°F | Chance Rain Showers | 10 to 14 mph N | 37% |
| Friday | 63°F | Chance Rain Showers | 9 to 14 mph N | 35% |
| Friday Night | 47°F | Chance Rain Showers | 9 to 14 mph N | 32% |
Forecast source: National Weather Service (api.weather.gov) for New Milford (41.580, -73.404). Updated through the day.
Growing snapshot for New Milford
Last spring frost
Apr 20
First fall frost
Oct 20
Growing season
181 days
Hardiness zone
6b
More local growing data for New Milford: nearby ZIP 06776 weather · frost dates · planting calendar · Connecticut frost dates
Nearby towns & communities
Bantam
Bethlehem Village
Bridgewater
Canaan
Cornwall
Cornwall Bridge
Falls Village
Gaylordsville
Lakeville
Litchfield
New Hartford Center
New Preston
Norfolk
Northwest Harwinton
Oakville
Pleasant Valley
Sharon
Terryville
Thomaston
Torrington
Watertown
West Cornwall
Winsted
Woodbury Center
Climate data from the nearest NOAA station, Danbury, Ct (13.9 mi from New Milford). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.