Harman US

Piqua, OH Weather & Growing Conditions

Today
82°F
Mostly Cloudy then Chance Showers And Thunderstorms
A chance of rain showers between noon and 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 82. Southeast wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 82°F Mostly Cloudy then Chance Showers And Thunderstorms 7 mph SE 68%
Tonight 66°F Chance Showers And Thunderstorms 6 mph S 52%
Sunday 81°F Chance Showers And Thunderstorms 3 to 10 mph W 65%
Sunday Night 57°F Showers And Thunderstorms Likely 10 to 14 mph NE 67%
Monday 68°F Rain Showers Likely 14 mph NE 58%
Monday Night 53°F Chance Rain Showers 12 to 16 mph NE 47%
Tuesday 68°F Slight Chance Rain Showers 14 mph NE 15%
Tuesday Night 55°F Chance Rain Showers 9 to 15 mph NE 48%
Wednesday 69°F Chance Rain Showers 10 mph NE 51%
Wednesday Night 55°F Chance Rain Showers 6 to 12 mph NE 51%
Thursday 70°F Mostly Cloudy 6 to 9 mph NE 14%
Thursday Night 53°F Mostly Cloudy 5 to 9 mph N 14%
Friday 71°F Partly 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 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.