Altmar, NY Weather & Growing Conditions
Overnight
46°F
Rain Showers Likely
Rain showers likely. Mostly cloudy, with a low around 46. Southeast wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 46°F | Rain Showers Likely | 6 mph SE | 67% |
| Sunday | 60°F | Rain Showers | 6 mph E | 90% |
| Sunday Night | 42°F | Mostly Cloudy | 5 to 8 mph N | 3% |
| Monday | 58°F | Partly Sunny | 9 mph NE | 0% |
| Monday Night | 41°F | Mostly Cloudy | 5 to 8 mph NE | 0% |
| Tuesday | 62°F | Partly Sunny | 5 mph E | 0% |
| Tuesday Night | 42°F | Mostly Cloudy | 6 mph E | 5% |
| Wednesday | 63°F | Mostly Sunny | 7 mph E | 6% |
| Wednesday Night | 42°F | Partly Cloudy | 6 mph E | 6% |
| Thursday | 63°F | Mostly Sunny | 5 mph E | 9% |
| Thursday Night | 42°F | Mostly Cloudy | 3 mph NE | 10% |
| Friday | 64°F | Mostly Sunny | 6 mph NE | 12% |
| Friday Night | 43°F | Partly Cloudy | 6 mph NE | 14% |
| Saturday | 66°F | Partly Sunny | 7 mph N | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Altmar, NY
Last spring frost
May 22
First fall frost
Sep 26
Growing season
125 days
Hardiness zone
4b
Explore more for Altmar, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Highmarket 2W, Ny (12.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.