Constantia, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Constantia, a community in Oswego County, New York.
This Afternoon
62°F
Mostly Cloudy
Mostly cloudy, with a high near 62. Southeast wind around 5 mph.
7-day forecast for Constantia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Mostly Cloudy | 5 mph SE | 7% |
| Tonight | 51°F | Mostly Cloudy | 5 mph SE | 7% |
| Wednesday | 72°F | Mostly Sunny | 6 mph SE | 5% |
| Wednesday Night | 58°F | Mostly Cloudy then Rain Showers Likely | 7 mph SE | 77% |
| Thursday | 70°F | Light Rain | 5 to 8 mph SW | 82% |
| Thursday Night | 50°F | Chance Rain Showers | 3 mph SW | 32% |
| Friday | 64°F | Slight Chance Rain Showers | 3 mph SW | 17% |
| Friday Night | 45°F | Chance Rain Showers | 3 mph NW | 33% |
| Saturday | 57°F | Chance Rain Showers | 2 to 7 mph W | 52% |
| Saturday Night | 39°F | Chance Rain Showers | 7 mph W | 52% |
| Sunday | 54°F | Chance Rain Showers then Slight Chance Light Rain | 7 mph W | 31% |
| Sunday Night | 36°F | Slight Chance Light Rain then Chance Rain Showers | 6 mph W | 40% |
| Monday | 53°F | Chance Light Rain | 9 mph W | 44% |
| Monday Night | 36°F | Chance Light Rain then Chance Rain Showers | 7 mph W | 41% |
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 Nov 4, 2026.