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New Madison, OH Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for New Madison, a village in Darke County, Ohio.

Tonight
61°F
Mostly Cloudy then Rain Showers Likely
Rain showers likely after 2am. Mostly cloudy, with a low around 61. South wind 12 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast for New Madison

WhenTempForecastWindPrecip
Tonight 61°F Mostly Cloudy then Rain Showers Likely 12 to 17 mph S 74%
Wednesday 68°F Rain Showers 13 to 20 mph S 99%
Wednesday Night 48°F Slight Chance Rain Showers then Mostly Cloudy 7 to 12 mph SW 22%
Thursday 63°F Mostly Sunny 8 to 15 mph SW 0%
Thursday Night 44°F Partly Cloudy 3 to 9 mph W 1%
Friday 58°F Mostly Cloudy then Slight Chance Light Rain 3 to 9 mph NW 15%
Friday Night 38°F Slight Chance Light Rain then Mostly Cloudy 9 mph NW 15%
Saturday 54°F Slight Chance Light Rain 9 mph NW 15%
Saturday Night 34°F Partly Cloudy 6 mph W 4%
Sunday 56°F Mostly Sunny 3 to 12 mph W 12%
Sunday Night 34°F Partly Cloudy 7 to 10 mph W 13%
Monday 58°F Sunny 6 to 12 mph W 13%
Monday Night 38°F Mostly Clear 10 mph SW 10%
Tuesday 62°F Mostly Sunny 12 mph W 3%

Forecast source: National Weather Service (api.weather.gov) for New Madison (39.967, -84.708). Updated through the day.

Growing snapshot for New Madison

Last spring frost
Apr 21
First fall frost
Oct 20
Growing season
180 days
Hardiness zone
6a

More local growing data for New Madison: nearby ZIP 45346 weather · frost dates · planting calendar · Ohio frost dates

Nearby towns & communities

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Climate data from the nearest NOAA station, Greenville Wtp, Oh (8.9 mi from New Madison). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.