Waterloo, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Waterloo, a village in Seneca County, New York.
This Afternoon
73°F
Sunny
Sunny, with a high near 73. North wind around 8 mph.
7-day forecast for Waterloo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Sunny | 8 mph N | 0% |
| Tonight | 47°F | Mostly Cloudy | 1 to 6 mph N | 0% |
| Saturday | 67°F | Mostly Sunny | 2 mph E | 1% |
| Saturday Night | 54°F | Mostly Cloudy then Rain Showers Likely | 1 to 6 mph E | 64% |
| Sunday | 66°F | Rain Showers | 8 mph NW | 84% |
| Sunday Night | 50°F | Chance Rain Showers then Mostly Cloudy | 3 to 8 mph N | 43% |
| Monday | 64°F | Partly Sunny | 5 to 9 mph N | 1% |
| Monday Night | 47°F | Mostly Cloudy then Slight Chance Rain Showers | 2 to 8 mph NE | 20% |
| Tuesday | 62°F | Chance Rain Showers | 2 to 7 mph NE | 28% |
| Tuesday Night | 47°F | Slight Chance Rain Showers | 2 to 7 mph E | 21% |
| Wednesday | 61°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 3 to 8 mph E | 27% |
| Wednesday Night | 48°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 to 7 mph E | 34% |
| Thursday | 63°F | Chance Showers And Thunderstorms | 3 to 7 mph E | 34% |
| Thursday Night | 50°F | Chance Showers And Thunderstorms | 1 to 5 mph NE | 34% |
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 Sep 19, 2026.