Helena, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Helena, a village in Sandusky County, Ohio.
Today
82°F
Sunny
Sunny, with a high near 82. Southeast wind around 2 mph.
7-day forecast for Helena
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Sunny | 2 mph SE | 0% |
| Tonight | 62°F | Mostly Clear | 2 mph SE | 0% |
| Wednesday | 86°F | Sunny | 0 to 5 mph SW | 1% |
| Wednesday Night | 66°F | Mostly Clear | 5 mph SW | 6% |
| Thursday | 84°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 8 mph SW | 54% |
| Thursday Night | 67°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 54% |
| Friday | 83°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 51% |
| Friday Night | 66°F | Chance Showers And Thunderstorms | 5 mph SW | 34% |
| Saturday | 85°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 8 mph SW | 15% |
| Saturday Night | 68°F | Slight Chance Showers And Thunderstorms | 7 mph SW | 19% |
| Sunday | 87°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 7 to 17 mph SW | 19% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms | 9 to 15 mph SW | 37% |
| Monday | 87°F | Chance Rain Showers | 14 mph SW | 38% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 8 to 12 mph SW | 50% |
Forecast source: National Weather Service (api.weather.gov) for Helena (41.340, -83.292). Updated through the day.
Growing snapshot for Helena
Last spring frost
Apr 21
First fall frost
Oct 24
Growing season
183 days
Hardiness zone
6b
More local growing data for Helena: nearby ZIP 43435 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Ballville
Burgoon
Clyde
Fremont
Gibsonburg
Hessville
Lindsey
Stony Prairie
Vickery
Whites Landing
Wightmans Grove
Woodville
Climate data from the nearest NOAA station, Fremont Ag Stn, Oh (7.3 mi from Helena). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.