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.
This Afternoon
54°F
Rain Showers Likely
Rain showers likely. Mostly cloudy, with a high near 54. Southwest wind around 23 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Lyon Mountain
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 54°F | Rain Showers Likely | 23 mph SW | 55% |
| Tonight | 51°F | Chance Rain Showers then Mostly Cloudy | 17 to 23 mph SW | 30% |
| Wednesday | 66°F | Partly Sunny | 9 to 20 mph SW | 6% |
| Wednesday Night | 52°F | Partly Cloudy | 14 to 26 mph SW | 8% |
| Thursday | 63°F | Rain Showers | 28 to 35 mph SW | 81% |
| Thursday Night | 47°F | Chance Rain Showers | 10 to 22 mph SW | 28% |
| Friday | 52°F | Mostly Cloudy then Chance Rain Showers | 5 to 10 mph W | 25% |
| Friday Night | 42°F | Chance Light Rain | 8 mph N | 44% |
| Saturday | 44°F | Chance Light Rain | 7 mph NW | 51% |
| Saturday Night | 37°F | Chance Light Rain | 9 to 15 mph W | 51% |
| Sunday | 40°F | Chance Light Rain | 9 to 14 mph W | 34% |
| Sunday Night | 34°F | Chance Rain And Snow | 15 mph W | 32% |
| Monday | 38°F | Chance Rain And Snow | 14 mph W | 38% |
| Monday Night | 34°F | Chance Rain And Snow | 18 mph W | 38% |
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 Nov 3, 2026.