Harman US

Piqua, OH Weather & Growing Conditions

Overnight
57°F
Mostly Cloudy
Mostly cloudy, with a low around 57. East wind around 6 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 57°F Mostly Cloudy 6 mph E 2%
Saturday 80°F Showers And Thunderstorms Likely 7 mph SE 56%
Saturday Night 66°F Showers And Thunderstorms Likely 6 mph S 74%
Sunday 80°F Showers And Thunderstorms Likely 5 to 9 mph W 64%
Sunday Night 59°F Showers And Thunderstorms Likely 9 to 14 mph NE 64%
Monday 70°F Showers And Thunderstorms Likely 10 to 14 mph NE 58%
Monday Night 55°F Chance Showers And Thunderstorms 12 to 16 mph NE 48%
Tuesday 70°F Chance Showers And Thunderstorms 14 mph NE 36%
Tuesday Night 57°F Chance Rain Showers 8 to 15 mph NE 38%
Wednesday 70°F Chance Rain Showers 9 mph NE 34%
Wednesday Night 56°F Slight Chance Rain Showers 6 to 10 mph N 17%
Thursday 70°F Mostly Cloudy 9 mph N 12%
Thursday Night 54°F Mostly Cloudy 5 to 9 mph N 12%
Friday 71°F Partly Sunny 6 to 9 mph N 7%

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

Growing snapshot for Piqua, OH

Last spring frost
Apr 18
First fall frost
Oct 23
Growing season
186 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Piqua Wwtp, Oh (2.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.