Altona, NY Weather & Growing Conditions
This Afternoon
77°F
Mostly Sunny
Mostly sunny. High near 77, with temperatures falling to around 68 in the afternoon. Southwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Mostly Sunny | 5 mph SW | 3% |
| Tonight | 54°F | Partly Cloudy | 5 mph S | 3% |
| Thursday | 69°F | Rain Showers | 5 to 8 mph S | 91% |
| Thursday Night | 48°F | Mostly Cloudy then Patchy Fog | 5 to 9 mph SW | 4% |
| Friday | 63°F | Patchy Fog then Mostly Cloudy | 5 mph W | 10% |
| Friday Night | 39°F | Chance Light Rain | 3 mph NE | 32% |
| Saturday | 50°F | Chance Light Rain | 5 mph N | 49% |
| Saturday Night | 34°F | Chance Light Rain | 6 mph NW | 49% |
| Sunday | 49°F | Chance Light Rain | 5 to 9 mph W | 45% |
| Sunday Night | 32°F | Mostly Cloudy then Slight Chance Light Rain | 5 to 8 mph W | 21% |
| Monday | 48°F | Chance Light Rain | 8 to 12 mph W | 26% |
| Monday Night | 30°F | Slight Chance Light Rain then Mostly Cloudy | 7 mph W | 15% |
| Tuesday | 50°F | Chance Light Rain | 7 to 12 mph W | 39% |
| Tuesday Night | 29°F | Chance Light Rain | 9 mph W | 39% |
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 Nov 4, 2026.