Harman US

Fort Jennings, OH Weather & Growing Conditions

Today
76°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 4pm, then a chance of showers and thunderstorms. Cloudy, with a high near 76. Southeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 76°F Showers And Thunderstorms Likely 5 mph SE 67%
Tonight 65°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 5 mph S 74%
Sunday 75°F Showers And Thunderstorms 5 to 15 mph NW 84%
Sunday Night 55°F Showers And Thunderstorms Likely 15 mph NE 61%
Monday 66°F Chance Rain Showers 15 to 20 mph NE 50%
Monday Night 51°F Chance Rain Showers 15 to 20 mph NE 39%
Tuesday 65°F Mostly Cloudy then Slight Chance Rain Showers 15 to 20 mph NE 19%
Tuesday Night 52°F Chance Rain Showers 15 to 20 mph NE 49%
Wednesday 66°F Chance Rain Showers 15 mph NE 49%
Wednesday Night 52°F Chance Showers And Thunderstorms 5 to 15 mph NE 44%
Thursday 68°F Mostly Cloudy 10 mph NE 12%
Thursday Night 51°F Mostly Cloudy 5 to 10 mph NE 10%
Friday 70°F Mostly Sunny 5 to 10 mph NE 9%
Friday Night 50°F Partly Cloudy 5 to 10 mph NE 9%

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

Growing snapshot for Fort Jennings, OH

Last spring frost
Apr 24
First fall frost
Oct 24
Growing season
182 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Lima Wwtp, Oh (15.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.