Altona, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Altona, a community in Clinton County, New York.
This Afternoon
61°F
Sunny
Sunny, with a high near 61. East wind around 6 mph.
7-day forecast for Altona
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 61°F | Sunny | 6 mph E | 0% |
| Tonight | 41°F | Partly Cloudy | 1 to 6 mph S | 0% |
| Sunday | 54°F | Light Rain | 1 to 8 mph S | 98% |
| Sunday Night | 42°F | Mostly Cloudy | 1 to 7 mph NW | 3% |
| Monday | 58°F | Partly Sunny | 6 to 9 mph N | 0% |
| Monday Night | 39°F | Mostly Clear | 1 to 6 mph N | 0% |
| Tuesday | 61°F | Sunny | 1 to 6 mph N | 0% |
| Tuesday Night | 39°F | Mostly Clear | 0 to 3 mph N | 0% |
| Wednesday | 65°F | Sunny | 0 to 5 mph NE | 0% |
| Wednesday Night | 41°F | Mostly Clear | 2 mph NE | 1% |
| Thursday | 65°F | Mostly Sunny | 0 to 5 mph E | 3% |
| Thursday Night | 42°F | Mostly Cloudy | 2 mph N | 13% |
| Friday | 65°F | Slight Chance Rain Showers | 1 to 5 mph N | 21% |
| Friday Night | 44°F | Slight Chance Rain Showers | 3 mph N | 22% |
Forecast source: National Weather Service (api.weather.gov) for Altona (44.890, -73.660). Updated through the day.
Growing snapshot for Altona
Last spring frost
Apr 30
First fall frost
Oct 12
Growing season
164 days
Hardiness zone
5a
More local growing data for Altona: nearby ZIP 12910 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
Au Sable Forks
Cadyville
Champlain
Chazy
Cumberland Head
Dannemora
Keeseville
Lyon Mountain
Mooers
Morrisonville
Parc
Peru
Plattsburgh
Plattsburgh West
Redford
Rouses Point
West Chazy
Climate data from the nearest NOAA station, Chazy, Ny (10.5 mi from Altona). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.