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Helena, OH Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Helena, a village in Sandusky County, Ohio.

Tonight
63°F
Partly Cloudy then Chance Light Rain
A chance of rain after 5am. Partly cloudy, with a low around 63. South wind 12 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

7-day forecast for Helena

WhenTempForecastWindPrecip
Tonight 63°F Partly Cloudy then Chance Light Rain 12 to 17 mph S 26%
Wednesday 69°F Light Rain 17 to 22 mph S 80%
Wednesday Night 51°F Light Rain Likely then Mostly Cloudy 9 to 18 mph SW 59%
Thursday 63°F Partly Sunny 10 to 18 mph SW 2%
Thursday Night 48°F Mostly Cloudy 5 to 10 mph SW 11%
Friday 57°F Chance Light Rain 5 to 9 mph W 34%
Friday Night 41°F Chance Light Rain 9 mph NW 34%
Saturday 53°F Slight Chance Light Rain 7 to 10 mph NW 18%
Saturday Night 36°F Partly Cloudy 6 mph W 8%
Sunday 55°F Mostly Sunny then Slight Chance Light Rain 5 to 14 mph W 15%
Sunday Night 36°F Slight Chance Light Rain then Partly Cloudy 7 to 10 mph W 15%
Monday 57°F Mostly Sunny 7 to 14 mph W 13%
Monday Night 40°F Partly Cloudy 12 mph SW 13%
Tuesday 61°F Mostly Sunny 10 to 14 mph W 4%

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

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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 Nov 4, 2026.