Lyon Mountain, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lyon Mountain, a community in Clinton County, New York.
Today
70°F
Sunny
Sunny, with a high near 70. West wind 8 to 14 mph.
7-day forecast for Lyon Mountain
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Sunny | 8 to 14 mph W | 0% |
| Tonight | 58°F | Mostly Clear | 8 to 16 mph SW | 1% |
| Wednesday | 73°F | Sunny | 6 to 16 mph SW | 0% |
| Wednesday Night | 62°F | Mostly Cloudy | 5 to 9 mph SW | 8% |
| Thursday | 72°F | Showers And Thunderstorms | 5 to 8 mph S | 77% |
| Thursday Night | 63°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 6 to 10 mph SW | 77% |
| Friday | 70°F | Showers And Thunderstorms Likely | 7 to 10 mph W | 66% |
| Friday Night | 60°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 8 mph W | 66% |
| Saturday | 70°F | Chance Showers And Thunderstorms | 5 to 8 mph W | 47% |
| Saturday Night | 61°F | Chance Showers And Thunderstorms then Partly Cloudy | 7 to 14 mph SW | 47% |
| Sunday | 71°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 14 mph SW | 17% |
| Sunday Night | 62°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 13 to 16 mph SW | 34% |
| Monday | 69°F | Chance Rain Showers | 16 mph W | 49% |
| Monday Night | 58°F | Chance Rain Showers | 12 to 16 mph W | 49% |
Forecast source: National Weather Service (api.weather.gov) for Lyon Mountain (44.718, -73.866). Updated through the day.
Growing snapshot for Lyon Mountain
Last spring frost
May 6
First fall frost
Oct 11
Growing season
157 days
Hardiness zone
4b
More local growing data for Lyon Mountain: nearby ZIP 12952 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
Altona
Au Sable Forks
Cadyville
Champlain
Chazy
Cumberland Head
Dannemora
Keeseville
Mooers
Morrisonville
Parc
Peru
Plattsburgh
Plattsburgh West
Redford
Rouses Point
West Chazy
Climate data from the nearest NOAA station, Dannemora, Ny (9 mi from Lyon Mountain). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.