Helena, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Helena, a village in Sandusky County, Ohio.
This Afternoon
73°F
Mostly Sunny
Mostly sunny, with a high near 73. Northeast wind around 12 mph.
7-day forecast for Helena
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Mostly Sunny | 12 mph NE | 0% |
| Tonight | 58°F | Partly Cloudy | 3 to 8 mph NE | 3% |
| Saturday | 75°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 15 mph NW | 84% |
| Sunday Night | 59°F | Rain Showers Likely | 15 mph NE | 59% |
| 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 | 32% |
| Tuesday Night | 56°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% |
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 Sep 18, 2026.