Constantia, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Constantia, a community in Oswego County, New York.
Today
80°F
Sunny
Sunny, with a high near 80. West wind around 2 mph.
7-day forecast for Constantia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Sunny | 2 mph W | 0% |
| Tonight | 61°F | Mostly Clear | 3 mph E | 0% |
| Wednesday | 85°F | Mostly Sunny | 5 mph SE | 0% |
| Wednesday Night | 68°F | Partly Cloudy then Slight Chance Rain Showers | 5 mph SE | 23% |
| Thursday | 85°F | Showers And Thunderstorms | 3 mph S | 76% |
| Thursday Night | 67°F | Showers And Thunderstorms | 3 mph SW | 76% |
| Friday | 82°F | Showers And Thunderstorms Likely | 3 mph SW | 65% |
| Friday Night | 65°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 mph S | 65% |
| Saturday | 83°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 44% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 3 mph SW | 44% |
| Sunday | 85°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 6 mph SW | 25% |
| Sunday Night | 67°F | Chance Showers And Thunderstorms | 5 mph SW | 46% |
| Monday | 81°F | Rain Showers Likely | 3 to 8 mph W | 59% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 59% |
Forecast source: National Weather Service (api.weather.gov) for Constantia (43.259, -76.009). Updated through the day.
Growing snapshot for Constantia
Last spring frost
May 12
First fall frost
Oct 5
Growing season
144 days
Hardiness zone
5b
More local growing data for Constantia: nearby ZIP 13044 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
Altmar
Central Square
Fulton
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Mexico
Minetto
Oswego
Parish
Phoenix
Pulaski
Sand Ridge
Sandy Creek
SUNY Oswego
Climate data from the nearest NOAA station, Camden, Ny (7.8 mi from Constantia). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.