Waterloo, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Waterloo, a village in Seneca County, New York.
Overnight
56°F
Clear
Clear, with a low around 56. Southwest wind around 2 mph.
7-day forecast for Waterloo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Clear | 2 mph SW | 0% |
| Tuesday | 82°F | Patchy Fog then Sunny | 2 mph S | 0% |
| Tuesday Night | 63°F | Mostly Clear | 1 to 5 mph SE | 0% |
| Wednesday | 87°F | Mostly Sunny | 7 mph S | 5% |
| Wednesday Night | 69°F | Mostly Cloudy then Slight Chance Rain Showers | 6 mph S | 22% |
| Thursday | 87°F | Showers And Thunderstorms | 5 mph SW | 84% |
| Thursday Night | 68°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 2 mph SW | 84% |
| Friday | 84°F | Showers And Thunderstorms Likely | 3 mph W | 71% |
| Friday Night | 66°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 mph SW | 71% |
| Saturday | 85°F | Chance Showers And Thunderstorms | 1 to 5 mph W | 48% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 2 mph SW | 48% |
| Sunday | 88°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 2 to 7 mph SW | 26% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms | 5 mph SW | 38% |
| Monday | 85°F | Chance Rain Showers | 5 to 9 mph W | 44% |
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 Aug 4, 2026.