Copenhagen, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Copenhagen, a village in Lewis County, New York.
Today
77°F
Sunny
Sunny, with a high near 77. Southwest wind around 7 mph.
7-day forecast for Copenhagen
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Sunny | 7 mph SW | 0% |
| Tonight | 58°F | Clear | 2 to 6 mph SW | 0% |
| Wednesday | 82°F | Sunny | 8 mph S | 0% |
| Wednesday Night | 65°F | Partly Cloudy then Slight Chance Rain Showers | 3 to 7 mph S | 22% |
| Thursday | 81°F | Showers And Thunderstorms Likely | 7 mph S | 70% |
| Thursday Night | 65°F | Showers And Thunderstorms Likely | 6 mph SW | 70% |
| Friday | 79°F | Chance Rain Showers then Chance Showers And Thunderstorms | 7 mph SW | 49% |
| Friday Night | 62°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 47% |
| Saturday | 79°F | Chance Showers And Thunderstorms | 3 to 8 mph SW | 47% |
| Saturday Night | 63°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 29% |
| Sunday | 80°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 6 to 12 mph SW | 23% |
| Sunday Night | 63°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 7 to 10 mph SW | 46% |
| Monday | 78°F | Rain Showers Likely | 9 to 13 mph SW | 57% |
| Monday Night | 60°F | Chance Showers And Thunderstorms | 6 to 12 mph SW | 57% |
Forecast source: National Weather Service (api.weather.gov) for Copenhagen (43.893, -75.673). Updated through the day.
Growing snapshot for Copenhagen
Last spring frost
May 2
First fall frost
Oct 13
Growing season
163 days
Hardiness zone
4b
More local growing data for Copenhagen: nearby ZIP 13626 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Watertown, Ny (11.5 mi from Copenhagen). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.