Harman US

New Madison, OH Weather & Growing Conditions

Today
66°F
Light Rain
Rain. Cloudy, with a high near 66. South wind 12 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 66°F Light Rain 12 to 20 mph S 98%
Tonight 48°F Mostly Cloudy 8 to 12 mph SW 12%
Thursday 61°F Partly Sunny 8 to 15 mph SW 0%
Thursday Night 44°F Mostly Cloudy 5 to 9 mph SW 12%
Friday 55°F Chance Light Rain 5 to 12 mph W 33%
Friday Night 36°F Chance Light Rain then Mostly Cloudy 8 to 12 mph NW 26%
Saturday 52°F Partly Sunny 10 mph NW 2%
Saturday Night 32°F Partly Cloudy 7 mph W 2%
Sunday 55°F Sunny 5 to 12 mph W 2%
Sunday Night 33°F Mostly Clear 6 to 9 mph W 3%
Monday 58°F Sunny 5 to 10 mph W 3%
Monday Night 37°F Mostly Clear 9 mph SW 1%
Tuesday 63°F Sunny 10 mph W 1%
Tuesday Night 37°F Mostly Clear 3 to 7 mph NW 1%

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

Growing snapshot for New Madison, OH

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

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

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