Castleton, VT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Castleton, a community in Rutland County, Vermont.
Tonight
42°F
Partly Cloudy
Partly cloudy, with a low around 42. North wind 5 to 8 mph.
7-day forecast for Castleton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 42°F | Partly Cloudy | 5 to 8 mph N | 0% |
| Saturday | 64°F | Sunny | 5 mph N | 0% |
| Saturday Night | 44°F | Mostly Cloudy then Chance Light Rain | 1 to 5 mph SE | 49% |
| Sunday | 60°F | Light Rain | 6 mph SE | 92% |
| Sunday Night | 46°F | Light Rain then Slight Chance Rain Showers | 2 to 6 mph NE | 92% |
| Monday | 62°F | Mostly Sunny | 9 mph N | 1% |
| Monday Night | 42°F | Mostly Cloudy | 5 to 8 mph N | 1% |
| Tuesday | 63°F | Partly Sunny | 6 mph NE | 1% |
| Tuesday Night | 41°F | Mostly Cloudy | 5 mph NE | 2% |
| Wednesday | 64°F | Mostly Sunny | 6 mph E | 5% |
| Wednesday Night | 42°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph E | 16% |
| Thursday | 61°F | Slight Chance Rain Showers | 6 mph NE | 24% |
| Thursday Night | 45°F | Chance Rain Showers | 5 mph NE | 28% |
| Friday | 66°F | Slight Chance Rain Showers | 6 mph N | 15% |
Forecast source: National Weather Service (api.weather.gov) for Castleton (43.605, -73.185). Updated through the day.
Growing snapshot for Castleton
Last spring frost
Apr 30
First fall frost
Oct 12
Growing season
164 days
Hardiness zone
5a
More local growing data for Castleton: nearby ZIP 05732 weather · frost dates · planting calendar · Vermont frost dates
Nearby towns & communities
Benson
Brandon
Castleton Four Corners
Chittenden
Danby
East Poultney
Fair Haven
Killington Village
Middletown Springs
North Clarendon
Pawlet
Pittsford
Poultney
Proctor
Rutland
Wallingford
Wells
West Pawlet
West Rutland
Climate data from the nearest NOAA station, Whitehall, Ny (11.3 mi from Castleton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.