Altamont, NY Weather & Growing Conditions
Tonight
43°F
Mostly Cloudy
Mostly cloudy, with a low around 43. North wind 2 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 43°F | Mostly Cloudy | 2 to 8 mph N | 1% |
| Saturday | 61°F | Mostly Sunny | 5 mph NE | 0% |
| Saturday Night | 45°F | Mostly Cloudy then Chance Rain Showers | 0 to 6 mph SE | 47% |
| Sunday | 57°F | Rain Showers | 5 to 10 mph SE | 98% |
| Sunday Night | 46°F | Rain Showers | 3 to 7 mph NE | 98% |
| Monday | 58°F | Mostly Sunny | 9 mph N | 8% |
| Monday Night | 41°F | Mostly Cloudy | 3 to 7 mph N | 7% |
| Tuesday | 56°F | Slight Chance Rain Showers | 6 mph NE | 21% |
| Tuesday Night | 40°F | Mostly Cloudy | 5 mph E | 12% |
| Wednesday | 56°F | Partly Sunny | 3 to 8 mph E | 11% |
| Wednesday Night | 41°F | Chance Rain Showers | 2 to 6 mph E | 26% |
| Thursday | 55°F | Chance Rain Showers | 6 mph NE | 31% |
| Thursday Night | 43°F | Chance Rain Showers | 5 mph N | 33% |
| Friday | 63°F | Chance Rain Showers | 7 mph N | 29% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Altamont, NY
Last spring frost
May 7
First fall frost
Oct 7
Growing season
153 days
Hardiness zone
5b
Explore more for Altamont, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Delanson 2Ne, Ny (11.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.