Altona, NY Weather & Growing Conditions
Today
75°F
Mostly Sunny
Mostly sunny. High near 75, with temperatures falling to around 67 in the afternoon. Southwest wind 2 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Mostly Sunny | 2 to 8 mph SW | 3% |
| Tonight | 54°F | Partly Cloudy | 3 to 9 mph SW | 3% |
| Thursday | 68°F | Rain Showers | 10 mph SW | 90% |
| Thursday Night | 47°F | Mostly Cloudy then Patchy Fog | 6 to 12 mph SW | 2% |
| Friday | 62°F | Patchy Fog then Mostly Cloudy | 6 mph W | 11% |
| Friday Night | 38°F | Chance Light Rain | 3 mph NE | 31% |
| Saturday | 49°F | Chance Light Rain | 6 mph N | 51% |
| Saturday Night | 32°F | Chance Light Rain | 3 to 7 mph NW | 51% |
| Sunday | 47°F | Chance Light Rain | 10 mph W | 45% |
| Sunday Night | 30°F | Mostly Cloudy then Chance Light Rain | 9 mph W | 25% |
| Monday | 46°F | Chance Light Rain | 9 to 13 mph W | 28% |
| Monday Night | 28°F | Slight Chance Light Rain then Mostly Cloudy | 8 mph W | 18% |
| Tuesday | 48°F | Chance Light Rain | 8 to 13 mph W | 41% |
| Tuesday Night | 26°F | Chance Light Rain | 10 mph W | 41% |
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 (1.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.