Harman US

Tontogany, OH Weather & Growing Conditions

Overnight
63°F
Chance Light Rain
A chance of rain after 4am. Mostly cloudy, with a low around 63. South wind 12 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 63°F Chance Light Rain 12 to 15 mph S 34%
Wednesday 69°F Light Rain 16 to 20 mph S 76%
Wednesday Night 51°F Chance Light Rain then Mostly Cloudy 9 to 16 mph SW 52%
Thursday 62°F Partly Sunny 12 to 17 mph SW 4%
Thursday Night 47°F Mostly Cloudy 5 to 10 mph SW 4%
Friday 57°F Chance Light Rain 5 to 9 mph NW 35%
Friday Night 39°F Chance Light Rain 9 mph NW 26%
Saturday 53°F Slight Chance Light Rain then Partly Sunny 9 mph NW 17%
Saturday Night 35°F Partly Cloudy 5 mph W 6%
Sunday 56°F Mostly Sunny then Slight Chance Light Rain 5 to 13 mph W 16%
Sunday Night 35°F Slight Chance Light Rain then Partly Cloudy 6 to 10 mph W 16%
Monday 58°F Mostly Sunny 7 to 14 mph W 13%
Monday Night 39°F Partly Cloudy 12 mph SW 11%
Tuesday 61°F Mostly Sunny 9 to 14 mph W 4%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Tontogany, OH

Last spring frost
Apr 22
First fall frost
Oct 25
Growing season
186 days
Hardiness zone
6b

Explore more for Tontogany, OH: full frost dates · planting calendar · Ohio frost dates

Climate data from the nearest NOAA station, Bowling Green Wwtp, Oh (7.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.