Mashantucket, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mashantucket, a community in New London County, Connecticut.
Today
82°F
Mostly Sunny
Mostly sunny. High near 82, with temperatures falling to around 80 in the afternoon. West wind 2 to 6 mph.
7-day forecast for Mashantucket
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Mostly Sunny | 2 to 6 mph W | 0% |
| Tonight | 61°F | Mostly Cloudy | 5 mph NW | 9% |
| Wednesday | 82°F | Mostly Sunny | 2 to 6 mph SW | 7% |
| Wednesday Night | 68°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph S | 16% |
| Thursday | 85°F | Mostly Sunny | 2 to 9 mph SW | 14% |
| Thursday Night | 73°F | Partly Cloudy | 3 to 8 mph SW | 14% |
| Friday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 9 mph SW | 16% |
| Friday Night | 71°F | Slight Chance Showers And Thunderstorms | 1 to 7 mph SW | 18% |
| Saturday | 86°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 8 mph SW | 28% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 1 to 6 mph SW | 28% |
| Sunday | 86°F | Mostly Sunny | 2 to 8 mph W | 10% |
| Sunday Night | 71°F | Mostly Clear | 2 to 7 mph SW | 8% |
| Monday | 87°F | Sunny | 2 to 10 mph SW | 11% |
| Monday Night | 69°F | Mostly Clear | 2 to 8 mph W | 11% |
Forecast source: National Weather Service (api.weather.gov) for Mashantucket (41.464, -71.975). Updated through the day.
Growing snapshot for Mashantucket
Last spring frost
Apr 14
First fall frost
Oct 24
Growing season
192 days
Hardiness zone
6b
More local growing data for Mashantucket: nearby ZIP 06338 weather · frost dates · planting calendar · Connecticut frost dates
Nearby towns & communities
Baltic
Colchester
Conning Towers-Nautilus Park
Gales Ferry
Groton
Groton Long Point
Jewett City
Long Hill
Mystic
New London
Niantic
Noank
Norwich
Old Mystic
Oxoboxo River
Pawcatuck
Poquonock Bridge
Stonington
Waterford
Climate data from the nearest NOAA station, Norwich Public Utility Plt, Ct (6.4 mi from Mashantucket). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.