Altona, NY Weather & Growing Conditions
Tonight
38°F
Mostly Clear
Mostly clear, with a low around 38. Northwest wind 2 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 38°F | Mostly Clear | 2 to 8 mph NW | 0% |
| Saturday | 60°F | Sunny | 5 mph NE | 0% |
| Saturday Night | 41°F | Mostly Cloudy then Chance Light Rain | 3 mph SE | 33% |
| Sunday | 61°F | Light Rain Likely | 5 mph SE | 56% |
| Sunday Night | 43°F | Chance Light Rain then Mostly Cloudy | 3 mph NW | 35% |
| Monday | 58°F | Partly Sunny | 2 to 6 mph N | 1% |
| Monday Night | 38°F | Mostly Cloudy | 3 mph NE | 0% |
| Tuesday | 61°F | Mostly Sunny | 1 to 6 mph NE | 1% |
| Tuesday Night | 39°F | Partly Cloudy | 0 to 3 mph NE | 1% |
| Wednesday | 64°F | Mostly Sunny | 1 to 6 mph E | 4% |
| Wednesday Night | 42°F | Partly Cloudy | 3 mph E | 10% |
| Thursday | 64°F | Slight Chance Rain Showers | 1 to 5 mph E | 22% |
| Thursday Night | 45°F | Slight Chance Rain Showers | 2 mph NE | 22% |
| Friday | 66°F | Slight Chance Rain Showers | 1 to 5 mph NW | 18% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Altona, NY
Last spring frost
May 10
First fall frost
Oct 2
Growing season
144 days
Hardiness zone
4b
Explore more for Altona, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Ellenburg Depot, Ny (5.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.