Mashantucket, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mashantucket, a community in New London County, Connecticut.
This Afternoon
69°F
Mostly Sunny
Mostly sunny. High near 69, with temperatures falling to around 58 in the afternoon. Southwest wind 5 to 9 mph.
7-day forecast for Mashantucket
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Mostly Sunny | 5 to 9 mph SW | 0% |
| Tonight | 47°F | Partly Cloudy | 3 mph S | 0% |
| Wednesday | 71°F | Mostly Sunny | 3 to 9 mph SW | 0% |
| Wednesday Night | 52°F | Partly Cloudy | 5 mph SW | 0% |
| Thursday | 72°F | Mostly Cloudy then Slight Chance Rain Showers | 3 to 10 mph SW | 19% |
| Thursday Night | 60°F | Rain Showers Likely | 6 mph SW | 55% |
| Friday | 69°F | Showers And Thunderstorms | 6 mph S | 79% |
| Friday Night | 53°F | Showers And Thunderstorms then Light Rain | 3 mph SW | 84% |
| Saturday | 66°F | Light Rain | 7 mph N | 78% |
| Saturday Night | 44°F | Chance Light Rain | 5 mph NW | 43% |
| Sunday | 61°F | Slight Chance Light Rain then Mostly Sunny | 6 mph NW | 18% |
| Sunday Night | 40°F | Partly Cloudy then Slight Chance Light Rain | 2 mph NW | 16% |
| Monday | 59°F | Chance Light Rain | 3 to 8 mph NW | 32% |
| Monday Night | 37°F | Chance Light Rain | 5 to 9 mph NW | 33% |
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 Nov 3, 2026.