Johnstown, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Johnstown, a city in Fulton County, New York.
Today
80°F
Sunny
Sunny, with a high near 80. West wind 3 to 7 mph.
7-day forecast for Johnstown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Sunny | 3 to 7 mph W | 0% |
| Tonight | 57°F | Partly Cloudy then Patchy Fog | 2 mph N | 0% |
| Wednesday | 83°F | Patchy Fog then Partly Sunny | 0 to 3 mph S | 0% |
| Wednesday Night | 64°F | Mostly Cloudy then Chance Rain Showers | 3 mph SE | 25% |
| Thursday | 85°F | Showers And Thunderstorms | 1 to 5 mph S | 86% |
| Thursday Night | 67°F | Showers And Thunderstorms then Isolated Showers And Thunderstorms | 3 mph W | 86% |
| Friday | 84°F | Chance Showers And Thunderstorms | 2 to 6 mph W | 60% |
| Friday Night | 65°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 mph W | 60% |
| Saturday | 83°F | Showers And Thunderstorms Likely | 2 to 6 mph W | 59% |
| Saturday Night | 64°F | Showers And Thunderstorms Likely | 5 mph W | 59% |
| Sunday | 84°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 8 mph W | 16% |
| Sunday Night | 65°F | Slight Chance Showers And Thunderstorms | 6 mph W | 20% |
| Monday | 83°F | Chance Showers And Thunderstorms | 3 to 12 mph W | 39% |
| Monday Night | 61°F | Chance Showers And Thunderstorms | 5 to 9 mph W | 39% |
Forecast source: National Weather Service (api.weather.gov) for Johnstown (43.007, -74.375). Updated through the day.
Growing snapshot for Johnstown
Last spring frost
May 11
First fall frost
Oct 3
Growing season
143 days
Hardiness zone
5b
More local growing data for Johnstown: nearby ZIP 12095 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Gloversville 7Nw (Peck Lake), Ny (5.5 mi from Johnstown). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.