Altona, NY Weather & Growing Conditions
Today
76°F
Mostly Sunny
Mostly sunny. High near 76, with temperatures falling to around 68 in the afternoon. South wind 2 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Mostly Sunny | 2 to 7 mph S | 3% |
| Tonight | 54°F | Partly Cloudy | 7 mph S | 3% |
| Thursday | 67°F | Rain Showers | 6 to 9 mph S | 94% |
| Thursday Night | 49°F | Slight Chance Rain Showers then Patchy Fog | 6 mph SW | 21% |
| Friday | 63°F | Patchy Fog then Mostly Cloudy | 5 mph SE | 9% |
| Friday Night | 42°F | Chance Light Rain | 5 mph N | 34% |
| Saturday | 50°F | Chance Light Rain | 6 mph N | 48% |
| Saturday Night | 37°F | Chance Light Rain | 6 mph NW | 48% |
| Sunday | 49°F | Chance Light Rain then Mostly Cloudy | 5 to 8 mph W | 44% |
| Sunday Night | 34°F | Mostly Cloudy then Slight Chance Light Rain | 7 mph W | 19% |
| Monday | 48°F | Slight Chance Light Rain | 7 to 12 mph W | 24% |
| Monday Night | 32°F | Mostly Cloudy | 7 mph W | 14% |
| Tuesday | 50°F | Chance Light Rain | 6 to 10 mph SW | 37% |
| Tuesday Night | 31°F | Chance Light Rain | 8 mph W | 37% |
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 Nov 4, 2026.