Altona, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Altona, a community in Clinton County, New York.
Today
77°F
Mostly Sunny
Mostly sunny. High near 77, with temperatures falling to around 69 in the afternoon. Southwest wind 2 to 7 mph.
7-day forecast for Altona
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Mostly Sunny | 2 to 7 mph SW | 3% |
| Tonight | 55°F | Partly Cloudy | 3 to 7 mph S | 3% |
| Thursday | 68°F | Rain Showers | 8 mph S | 93% |
| Thursday Night | 49°F | Patchy Fog | 7 mph SW | 13% |
| Friday | 63°F | Patchy Fog then Mostly Cloudy | 5 mph S | 9% |
| Friday Night | 41°F | Chance Light Rain | 3 mph N | 33% |
| Saturday | 51°F | Chance Light Rain | 5 mph N | 48% |
| Saturday Night | 36°F | Chance Light Rain | 5 mph NW | 48% |
| Sunday | 49°F | Chance Light Rain then Mostly Cloudy | 5 to 8 mph W | 44% |
| Sunday Night | 33°F | Mostly Cloudy then Slight Chance Light Rain | 6 mph W | 20% |
| Monday | 48°F | Chance Light Rain | 7 to 12 mph W | 25% |
| Monday Night | 31°F | Slight Chance Light Rain then Mostly Cloudy | 7 mph W | 15% |
| Tuesday | 50°F | Chance Light Rain | 6 to 10 mph W | 38% |
| Tuesday Night | 30°F | Chance Light Rain | 8 mph W | 38% |
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 Nov 4, 2026.