Johnstown, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Johnstown, a village in Licking County, Ohio.
Today
64°F
Rain
Rain before 1pm, then rain and a slight chance of thunderstorms. Cloudy, with a high near 64. South wind around 16 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Johnstown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 64°F | Rain | 16 mph S | 96% |
| Tonight | 52°F | Light Rain then Mostly Cloudy | 8 to 17 mph SW | 75% |
| Thursday | 63°F | Partly Sunny | 8 to 15 mph SW | 0% |
| Thursday Night | 45°F | Partly Cloudy | 2 to 8 mph SW | 0% |
| Friday | 56°F | Chance Light Rain | 2 to 9 mph W | 47% |
| Friday Night | 39°F | Chance Light Rain then Mostly Cloudy | 9 mph NW | 47% |
| Saturday | 51°F | Slight Chance Light Rain | 12 mph NW | 15% |
| Saturday Night | 34°F | Partly Cloudy | 7 mph NW | 7% |
| Sunday | 54°F | Mostly Sunny | 5 to 12 mph W | 3% |
| Sunday Night | 34°F | Mostly Clear | 6 to 9 mph W | 3% |
| Monday | 57°F | Sunny | 6 to 10 mph W | 4% |
| Monday Night | 37°F | Mostly Clear | 8 mph SW | 2% |
| Tuesday | 61°F | Sunny | 8 to 12 mph W | 2% |
| Tuesday Night | 36°F | Mostly Clear | 3 to 7 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Johnstown (40.149, -82.687). Updated through the day.
Growing snapshot for Johnstown
Last spring frost
Apr 27
First fall frost
Oct 17
Growing season
172 days
Hardiness zone
6a
More local growing data for Johnstown: nearby ZIP 43031 weather · frost dates · planting calendar · Ohio frost dates
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Utica
Climate data from the nearest NOAA station, Centerburg 2 Se, Oh (8.9 mi from Johnstown). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.