Altona, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Altona, a community in Clinton County, New York.
Today
82°F
Sunny
Sunny, with a high near 82. West wind 5 to 8 mph.
7-day forecast for Altona
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Sunny | 5 to 8 mph W | 0% |
| Tonight | 61°F | Mostly Clear | 3 mph SW | 1% |
| Wednesday | 85°F | Sunny | 3 mph S | 0% |
| Wednesday Night | 66°F | Partly Cloudy | 2 mph S | 7% |
| Thursday | 85°F | Showers And Thunderstorms Likely | 3 mph S | 70% |
| Thursday Night | 68°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 2 mph SW | 70% |
| Friday | 83°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph W | 65% |
| Friday Night | 65°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 2 mph W | 65% |
| Saturday | 83°F | Chance Showers And Thunderstorms | 3 mph W | 45% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 3 mph SW | 43% |
| Sunday | 85°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 3 to 7 mph SW | 23% |
| Sunday Night | 66°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 mph SW | 36% |
| Monday | 82°F | Chance Rain Showers | 6 to 9 mph W | 48% |
| Monday Night | 62°F | Chance Showers And Thunderstorms | 5 to 8 mph W | 48% |
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 Aug 4, 2026.