Castleton-on-Hudson, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Castleton-on-Hudson, a village in Rensselaer County, New York.
Tonight
47°F
Mostly Cloudy
Mostly cloudy, with a low around 47. North wind around 6 mph.
7-day forecast for Castleton-on-Hudson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Mostly Cloudy | 6 mph N | 1% |
| Saturday | 67°F | Mostly Sunny | 1 to 5 mph N | 0% |
| Saturday Night | 50°F | Mostly Cloudy then Chance Rain Showers | 0 to 7 mph E | 33% |
| Sunday | 62°F | Rain Showers | 5 to 8 mph SE | 97% |
| Sunday Night | 50°F | Rain Showers | 2 to 7 mph NE | 97% |
| Monday | 64°F | Partly Sunny | 8 mph N | 14% |
| Monday Night | 46°F | Mostly Cloudy | 2 to 7 mph N | 6% |
| Tuesday | 63°F | Slight Chance Rain Showers | 3 mph N | 15% |
| Tuesday Night | 44°F | Mostly Cloudy | 3 mph NE | 12% |
| Wednesday | 63°F | Partly Sunny | 2 to 6 mph NE | 10% |
| Wednesday Night | 45°F | Slight Chance Rain Showers | 1 to 5 mph NE | 24% |
| Thursday | 61°F | Chance Rain Showers | 5 mph NE | 30% |
| Thursday Night | 47°F | Chance Rain Showers | 3 mph N | 31% |
| Friday | 68°F | Chance Rain Showers | 6 mph N | 27% |
Forecast source: National Weather Service (api.weather.gov) for Castleton-on-Hudson (42.537, -73.748). Updated through the day.
Growing snapshot for Castleton-on-Hudson
Last spring frost
Apr 27
First fall frost
Oct 14
Growing season
171 days
Hardiness zone
6a
More local growing data for Castleton-on-Hudson: nearby ZIP 12033 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
Averill Park
East Greenbush
East Nassau
Hampton Manor
Hoosick Falls
Nassau
Nassau Lake
Poestenkill
Schaghticoke
Stillwater
Valley Falls
West Sand Lake
Wynantskill
Climate data from the nearest NOAA station, Valatie 1 N, Ny (6.9 mi from Castleton-on-Hudson). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.