Harman US

Seaman, OH Weather & Growing Conditions

This Afternoon
88°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 88. South wind around 7 mph. Chance of precipitation is 20%. New rainfall amounts between three quarters and one inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 88°F Slight Chance Showers And Thunderstorms 7 mph S 23%
Tonight 67°F Chance Showers And Thunderstorms 7 mph S 72%
Sunday 89°F Slight Chance Rain Showers then Chance Showers And Thunderstorms 5 to 9 mph SW 34%
Sunday Night 61°F Chance Showers And Thunderstorms 9 mph N 44%
Monday 76°F Chance Rain Showers 10 mph NE 44%
Monday Night 56°F Showers And Thunderstorms Likely 7 to 10 mph NE 58%
Tuesday 73°F Chance Showers And Thunderstorms 10 mph NE 48%
Tuesday Night 58°F Showers And Thunderstorms Likely 6 to 10 mph NE 56%
Wednesday 73°F Showers And Thunderstorms Likely 9 mph E 62%
Wednesday Night 56°F Showers And Thunderstorms Likely 6 to 9 mph NE 62%
Thursday 72°F Slight Chance Rain Showers then Partly Sunny 6 to 9 mph NE 22%
Thursday Night 54°F Mostly Cloudy 5 to 9 mph NE 13%
Friday 73°F Mostly Sunny 6 to 10 mph NE 10%
Friday Night 51°F Partly Cloudy 5 to 10 mph NE 10%

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

Growing snapshot for Seaman, OH

Last spring frost
Apr 24
First fall frost
Oct 20
Growing season
178 days
Hardiness zone
6b

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

Climate data from the nearest NOAA station, Hillsboro, Oh (17.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.