St. Johnsville, NY Weather & Growing Conditions
This Afternoon
63°F
Mostly Sunny
Mostly sunny, with a high near 63. Southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 63°F | Mostly Sunny | 5 mph SE | 0% |
| Tonight | 46°F | Mostly Cloudy then Chance Rain Showers | 3 to 7 mph E | 39% |
| Sunday | 55°F | Rain | 5 to 8 mph E | 99% |
| Sunday Night | 43°F | Slight Chance Light Rain then Patchy Fog | 5 mph N | 22% |
| Monday | 62°F | Partly Sunny | 5 mph N | 0% |
| Monday Night | 40°F | Mostly Cloudy | 6 mph NE | 1% |
| Tuesday | 59°F | Partly Sunny | 7 mph E | 1% |
| Tuesday Night | 40°F | Mostly Cloudy | 6 mph E | 1% |
| Wednesday | 60°F | Partly Sunny | 6 to 10 mph E | 3% |
| Wednesday Night | 41°F | Mostly Cloudy then Slight Chance Rain Showers | 6 to 9 mph E | 17% |
| Thursday | 59°F | Slight Chance Rain Showers | 8 mph E | 24% |
| Thursday Night | 42°F | Chance Rain Showers | 6 mph NE | 26% |
| Friday | 62°F | Chance Rain Showers | 6 mph NE | 28% |
| Friday Night | 43°F | Slight Chance Rain Showers | 6 mph NE | 22% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for St. Johnsville, NY
Last spring frost
May 11
First fall frost
Oct 3
Growing season
143 days
Hardiness zone
5a
Explore more for St. Johnsville, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Gloversville 7Nw (Peck Lake), Ny (11.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.