Harman US

Germantown, OH Weather & Growing Conditions

Tonight
61°F
Mostly Cloudy then Showers And Thunderstorms Likely
A chance of rain showers between 2am and 4am, then showers and thunderstorms likely. Mostly cloudy, with a low around 61. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 61°F Mostly Cloudy then Showers And Thunderstorms Likely 10 to 15 mph S 67%
Wednesday 68°F Showers And Thunderstorms 13 to 18 mph S 96%
Wednesday Night 50°F Slight Chance Rain Showers 6 to 12 mph SW 22%
Thursday 66°F Mostly Sunny 6 to 14 mph SW 0%
Thursday Night 44°F Partly Cloudy 2 to 7 mph W 1%
Friday 61°F Partly Sunny 2 to 9 mph NW 10%
Friday Night 39°F Partly Cloudy 6 to 9 mph NW 13%
Saturday 56°F Slight Chance Light Rain 8 mph NW 17%
Saturday Night 34°F Partly Cloudy 5 mph W 8%
Sunday 58°F Mostly Sunny 3 to 10 mph W 11%
Sunday Night 34°F Partly Cloudy 5 to 9 mph W 13%
Monday 60°F Sunny 5 to 12 mph W 14%
Monday Night 37°F Mostly Clear 9 mph SW 12%
Tuesday 64°F Sunny 7 to 12 mph W 3%

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

Growing snapshot for Germantown, OH

Last spring frost
Apr 24
First fall frost
Oct 19
Growing season
178 days
Hardiness zone
6b

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

Climate data from the nearest NOAA station, Franklin, Oh (6.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.