Altona, NY Weather & Growing Conditions
Overnight
41°F
Mostly Clear
Mostly clear, with a low around 41. Northwest wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 41°F | Mostly Clear | 3 mph NW | 0% |
| Saturday | 60°F | Sunny | 3 mph NE | 0% |
| Saturday Night | 42°F | Mostly Cloudy | 1 to 5 mph SE | 1% |
| Sunday | 54°F | Rain Showers | 3 to 7 mph S | 89% |
| Sunday Night | 42°F | Mostly Cloudy | 2 to 7 mph N | 7% |
| Monday | 57°F | Partly Sunny | 7 mph N | 1% |
| Monday Night | 38°F | Mostly Cloudy | 5 mph N | 0% |
| Tuesday | 59°F | Mostly Sunny | 2 to 6 mph N | 0% |
| Tuesday Night | 38°F | Partly Cloudy | 0 to 3 mph N | 0% |
| Wednesday | 64°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 40°F | Partly Cloudy | 2 mph SE | 2% |
| Thursday | 63°F | Mostly Sunny then Slight Chance Rain Showers | 1 to 5 mph E | 15% |
| Thursday Night | 42°F | Slight Chance Rain Showers | 2 mph N | 16% |
| Friday | 64°F | Slight Chance Rain Showers | 2 to 6 mph N | 21% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Altona, NY
Last spring frost
Apr 30
First fall frost
Oct 12
Growing season
164 days
Hardiness zone
5a
Explore more for Altona, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Chazy, Ny (10.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.