Chatham, NY Weather & Growing Conditions
Today
66°F
Mostly Sunny
Mostly sunny, with a high near 66. Northwest wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Mostly Sunny | 3 mph NW | 0% |
| Tonight | 49°F | Mostly Cloudy | 1 to 6 mph SE | 6% |
| Sunday | 59°F | Rain | 3 to 7 mph SE | 100% |
| Sunday Night | 47°F | Rain then Chance Rain Showers | 3 to 8 mph NE | 91% |
| Monday | 63°F | Partly Sunny | 8 mph N | 2% |
| Monday Night | 43°F | Mostly Cloudy | 2 to 7 mph N | 2% |
| Tuesday | 63°F | Mostly Cloudy | 5 mph NE | 3% |
| Tuesday Night | 42°F | Mostly Cloudy | 3 mph E | 2% |
| Wednesday | 63°F | Partly Sunny | 3 to 7 mph E | 4% |
| Wednesday Night | 42°F | Mostly Cloudy then Slight Chance Rain Showers | 6 mph NE | 21% |
| Thursday | 62°F | Chance Rain Showers | 6 mph NE | 31% |
| Thursday Night | 43°F | Chance Rain Showers | 6 mph NE | 35% |
| Friday | 63°F | Chance Rain Showers | 7 mph N | 32% |
| Friday Night | 44°F | Chance Rain Showers | 7 mph N | 32% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Chatham, NY
Last spring frost
Apr 27
First fall frost
Oct 14
Growing season
171 days
Hardiness zone
6a
Explore more for Chatham, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Valatie 1 N, Ny (8.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.