Waterloo, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Waterloo, a village in Seneca County, New York.
Tonight
55°F
Partly Cloudy
Partly cloudy, with a low around 55. South wind around 8 mph.
7-day forecast for Waterloo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Partly Cloudy | 8 mph S | 5% |
| Wednesday | 75°F | Partly Sunny | 7 to 10 mph S | 4% |
| Wednesday Night | 61°F | Mostly Cloudy then Rain Showers | 12 mph S | 83% |
| Thursday | 73°F | Chance Rain Showers | 5 to 12 mph SW | 43% |
| Thursday Night | 49°F | Mostly Cloudy | 3 mph SW | 14% |
| Friday | 65°F | Mostly Cloudy then Slight Chance Rain Showers | 1 to 5 mph W | 17% |
| Friday Night | 45°F | Chance Light Rain | 3 mph NW | 34% |
| Saturday | 56°F | Chance Light Rain | 1 to 8 mph NW | 34% |
| Saturday Night | 38°F | Chance Light Rain | 6 mph W | 34% |
| Sunday | 55°F | Partly Sunny | 5 to 8 mph W | 12% |
| Sunday Night | 36°F | Slight Chance Light Rain | 6 mph W | 17% |
| Monday | 55°F | Chance Light Rain | 7 to 12 mph NW | 33% |
| Monday Night | 36°F | Chance Light Rain | 6 mph SW | 33% |
| Tuesday | 58°F | Slight Chance Light Rain | 7 to 13 mph SW | 23% |
Forecast source: National Weather Service (api.weather.gov) for Waterloo (42.905, -76.859). Updated through the day.
Growing snapshot for Waterloo
Last spring frost
Apr 30
First fall frost
Oct 21
Growing season
173 days
Hardiness zone
6b
More local growing data for Waterloo: nearby ZIP 13165 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Geneva Rsch Farm, Ny (8.1 mi from Waterloo). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.