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Piqua, OH Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Piqua, a city in Miami County, Ohio.

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

7-day forecast for Piqua

WhenTempForecastWindPrecip
Overnight 57°F Partly 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 8 mph W 63%
Sunday Night 59°F Showers And Thunderstorms Likely 9 to 13 mph NE 63%
Monday 71°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 35%
Tuesday Night 57°F Chance Rain Showers 9 to 15 mph NE 37%
Wednesday 70°F Chance Rain Showers 9 mph NE 33%
Wednesday Night 56°F Slight Chance Rain Showers 6 to 10 mph N 17%
Thursday 71°F Mostly Cloudy 9 mph N 12%
Thursday Night 55°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) for Piqua (40.146, -84.244). Updated through the day.

Growing snapshot for Piqua

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

More local growing data for Piqua: nearby ZIP 45356 weather · frost dates · planting calendar · Ohio frost dates

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