Helena, OH Weather & Growing Conditions
Tonight
59°F
Partly Cloudy
Partly cloudy, with a low around 59. Northeast wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Partly Cloudy | 6 mph NE | 3% |
| Saturday | 76°F | Showers And Thunderstorms Likely | 6 mph E | 65% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 7 mph S | 77% |
| Sunday | 73°F | Showers And Thunderstorms | 7 to 14 mph NW | 84% |
| Sunday Night | 59°F | Rain Showers Likely | 16 mph NE | 60% |
| Monday | 66°F | Chance Rain Showers | 15 to 21 mph NE | 39% |
| Monday Night | 56°F | Chance Rain Showers | 16 to 21 mph NE | 39% |
| Tuesday | 65°F | Chance Rain Showers | 17 to 21 mph NE | 31% |
| Tuesday Night | 57°F | Chance Rain Showers | 14 to 20 mph NE | 49% |
| Wednesday | 66°F | Chance Rain Showers | 15 mph E | 51% |
| Wednesday Night | 55°F | Chance Rain Showers | 8 to 13 mph E | 51% |
| Thursday | 67°F | Slight Chance Rain Showers | 8 to 12 mph NE | 17% |
| Thursday Night | 55°F | Slight Chance Rain Showers then Mostly Cloudy | 6 to 10 mph N | 17% |
| Friday | 68°F | Mostly Sunny | 6 to 12 mph N | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Helena, OH
Last spring frost
Apr 21
First fall frost
Oct 24
Growing season
183 days
Hardiness zone
6b
Explore more for Helena, OH: full frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, Fremont Ag Stn, Oh (7.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.