Plessis, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Plessis, a community in Jefferson County, New York.
Today
78°F
Patchy Fog then Sunny
Patchy fog before 9am. Sunny, with a high near 78. Southwest wind 5 to 10 mph.
7-day forecast for Plessis
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Patchy Fog then Sunny | 5 to 10 mph SW | 0% |
| Tonight | 58°F | Mostly Clear | 2 to 7 mph S | 0% |
| Wednesday | 84°F | Sunny | 3 to 8 mph S | 0% |
| Wednesday Night | 66°F | Partly Cloudy then Slight Chance Rain Showers | 1 to 5 mph S | 23% |
| Thursday | 84°F | Chance Showers And Thunderstorms | 3 to 8 mph S | 44% |
| Thursday Night | 66°F | Chance Showers And Thunderstorms | 6 mph SW | 44% |
| Friday | 82°F | Chance Rain Showers then Chance Showers And Thunderstorms | 6 mph SW | 32% |
| Friday Night | 64°F | Chance Showers And Thunderstorms | 5 mph SW | 43% |
| Saturday | 82°F | Chance Showers And Thunderstorms | 3 to 8 mph SW | 43% |
| Saturday Night | 65°F | Slight Chance Showers And Thunderstorms | 7 mph SW | 18% |
| Sunday | 82°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 12 mph SW | 17% |
| Sunday Night | 65°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 9 mph SW | 46% |
| Monday | 81°F | Chance Rain Showers | 7 to 10 mph SW | 46% |
| Monday Night | 61°F | Chance Showers And Thunderstorms | 3 to 9 mph SW | 46% |
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 Aug 4, 2026.