Harman US

Delaware, OH Weather & Growing Conditions

Tonight
60°F
Mostly Cloudy
Mostly cloudy, with a low around 60. Southeast wind 9 to 14 mph, with gusts as high as 25 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 60°F Mostly Cloudy 9 to 14 mph SE 10%
Wednesday 66°F Showers And Thunderstorms 14 to 17 mph S 97%
Wednesday Night 51°F Showers And Thunderstorms then Mostly Cloudy 7 to 16 mph SW 82%
Thursday 64°F Mostly Sunny 7 to 14 mph SW 0%
Thursday Night 45°F Partly Cloudy 2 to 8 mph SW 2%
Friday 60°F Partly Sunny then Slight Chance Light Rain 2 to 8 mph NW 17%
Friday Night 39°F Slight Chance Light Rain 8 mph NW 20%
Saturday 54°F Slight Chance Light Rain 9 mph NW 22%
Saturday Night 33°F Slight Chance Light Rain then Partly Cloudy 2 to 7 mph W 22%
Sunday 56°F Mostly Sunny then Slight Chance Light Rain 3 to 10 mph W 16%
Sunday Night 33°F Slight Chance Light Rain then Partly Cloudy 6 to 9 mph W 16%
Monday 59°F Slight Chance Light Rain 6 to 10 mph W 21%
Monday Night 36°F Slight Chance Light Rain then Partly Cloudy 9 mph SW 21%
Tuesday 62°F Mostly Sunny 8 to 12 mph W 4%

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

Growing snapshot for Delaware, OH

Last spring frost
Apr 19
First fall frost
Oct 26
Growing season
188 days
Hardiness zone
6b

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

Climate data from the nearest NOAA station, Marysville, Oh (13.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.