Plessis, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Plessis, a community in Jefferson County, New York.
This Afternoon
64°F
Mostly Cloudy
Mostly cloudy, with a high near 64. South wind around 9 mph.
7-day forecast for Plessis
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Mostly Cloudy | 9 mph S | 13% |
| Tonight | 53°F | Partly Cloudy | 10 mph S | 5% |
| Wednesday | 74°F | Mostly Sunny | 5 to 8 mph S | 2% |
| Wednesday Night | 56°F | Mostly Cloudy then Rain Showers Likely | 5 to 9 mph S | 66% |
| Thursday | 66°F | Rain Showers | 9 to 13 mph SW | 80% |
| Thursday Night | 48°F | Slight Chance Rain Showers then Mostly Cloudy | 2 to 7 mph SW | 19% |
| Friday | 61°F | Slight Chance Rain Showers | 2 to 6 mph W | 23% |
| Friday Night | 42°F | Chance Rain Showers | 5 mph N | 29% |
| Saturday | 53°F | Chance Rain Showers | 8 mph N | 36% |
| Saturday Night | 37°F | Chance Rain Showers | 6 mph W | 36% |
| Sunday | 51°F | Chance Rain Showers then Partly Sunny | 3 to 9 mph SW | 25% |
| Sunday Night | 34°F | Chance Rain Showers | 5 mph W | 31% |
| Monday | 51°F | Chance Rain Showers | 3 to 9 mph NW | 31% |
| Monday Night | 35°F | Slight Chance Rain Showers | 7 mph SW | 22% |
Forecast source: National Weather Service (api.weather.gov) for Plessis (44.274, -75.857). Updated through the day.
Growing snapshot for Plessis
Last spring frost
May 14
First fall frost
Sep 26
Growing season
134 days
Hardiness zone
5a
More local growing data for Plessis: nearby ZIP 13675 weather · frost dates · planting calendar · New York frost dates
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Climate data from the nearest NOAA station, Gouverneur 3 Nw, Ny (17.2 mi from Plessis). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.