Altona, NY Weather & Growing Conditions
This Afternoon
74°F
Mostly Sunny
Mostly sunny. High near 74, with temperatures falling to around 68 in the afternoon. Southwest wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Mostly Sunny | 8 mph SW | 3% |
| Tonight | 56°F | Partly Cloudy | 7 to 13 mph SW | 3% |
| Thursday | 65°F | Rain Showers | 6 to 12 mph SW | 92% |
| Thursday Night | 46°F | Mostly Cloudy | 2 to 13 mph SW | 11% |
| Friday | 60°F | Mostly Cloudy | 2 to 8 mph W | 14% |
| Friday Night | 42°F | Chance Light Rain | 5 mph N | 34% |
| Saturday | 50°F | Chance Light Rain | 6 mph N | 49% |
| Saturday Night | 33°F | Chance Light Rain then Rain Showers Likely | 6 to 10 mph NW | 58% |
| Sunday | 46°F | Chance Rain Showers | 12 mph W | 53% |
| Sunday Night | 31°F | Chance Rain Showers | 10 to 15 mph W | 41% |
| Monday | 44°F | Chance Rain Showers | 12 to 15 mph W | 41% |
| Monday Night | 30°F | Slight Chance Rain Showers | 13 mph W | 21% |
| Tuesday | 49°F | Slight Chance Rain Showers | 14 mph W | 18% |
| Tuesday Night | 29°F | Slight Chance Rain Showers then Slight Chance Rain And Snow Showers | 12 mph W | 23% |
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
5a
Explore more for Altona, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Ellenburg Depot, Ny (4.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.