Glenville, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Glenville, a community in Westchester County, Connecticut.
Today
83°F
Mostly Sunny
Mostly sunny, with a high near 83. East wind around 5 mph.
7-day forecast for Glenville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny | 5 mph E | 0% |
| Tonight | 65°F | Mostly Cloudy | 3 mph SW | 2% |
| Wednesday | 83°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 6 mph SE | 25% |
| Wednesday Night | 71°F | Chance Rain Showers | 6 mph S | 28% |
| Thursday | 88°F | Chance Showers And Thunderstorms | 3 to 8 mph SW | 42% |
| Thursday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 to 7 mph SW | 41% |
| Friday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 7 mph SW | 41% |
| Friday Night | 72°F | Chance Showers And Thunderstorms | 6 mph W | 40% |
| Saturday | 87°F | Partly Sunny then Chance Showers And Thunderstorms | 3 to 8 mph SW | 32% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms | 3 to 7 mph W | 32% |
| Sunday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 7 mph W | 15% |
| Sunday Night | 72°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 6 mph W | 15% |
| Monday | 90°F | Sunny | 3 to 10 mph W | 13% |
| Monday Night | 70°F | Slight Chance Rain Showers | 5 to 9 mph W | 17% |
Forecast source: National Weather Service (api.weather.gov) for Glenville (41.035, -73.664). Updated through the day.
Growing snapshot for Glenville
Last spring frost
Apr 12
First fall frost
Oct 31
Growing season
200 days
Hardiness zone
7b
More local growing data for Glenville: nearby ZIP 10573 weather · frost dates · planting calendar · Connecticut frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Westchester Co Ap, Ny (3.9 mi from Glenville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.