Watertown, NY Weather & Growing Conditions
Overnight
57°F
Mostly Cloudy
Mostly cloudy, with a low around 57. South wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Mostly Cloudy | 10 mph S | 0% |
| Wednesday | 76°F | Mostly Sunny | 9 mph S | 0% |
| Wednesday Night | 58°F | Mostly Cloudy then Rain Showers Likely | 8 to 16 mph S | 73% |
| Thursday | 67°F | Rain Showers | 7 to 14 mph SW | 88% |
| Thursday Night | 48°F | Mostly Cloudy | 6 mph SW | 6% |
| Friday | 62°F | Mostly Cloudy | 5 mph SW | 10% |
| Friday Night | 42°F | Chance Rain Showers | 5 mph NE | 34% |
| Saturday | 53°F | Chance Rain Showers | 6 to 9 mph N | 48% |
| Saturday Night | 35°F | Chance Rain Showers | 6 mph NW | 48% |
| Sunday | 51°F | Chance Rain Showers | 5 to 12 mph W | 38% |
| Sunday Night | 34°F | Chance Rain Showers | 5 to 8 mph W | 35% |
| Monday | 50°F | Chance Rain Showers | 5 to 12 mph W | 35% |
| Monday Night | 34°F | Slight Chance Rain Showers | 7 mph SW | 21% |
| Tuesday | 52°F | Chance Rain Showers | 8 to 15 mph SW | 42% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Watertown, NY
Last spring frost
May 2
First fall frost
Oct 13
Growing season
163 days
Hardiness zone
5a
Explore more for Watertown, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Watertown, Ny (1.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.