Harman US

Dayton, OH Weather & Growing Conditions

Overnight
62°F
Light Rain
Rain after 2am. Mostly cloudy, with a low around 62. South wind around 16 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 62°F Light Rain 16 mph S 83%
Wednesday 65°F Rain 15 to 18 mph S 98%
Wednesday Night 50°F Chance Light Rain then Mostly Cloudy 9 to 14 mph SW 53%
Thursday 62°F Mostly Sunny 9 to 16 mph SW 0%
Thursday Night 46°F Mostly Cloudy 6 to 10 mph SW 7%
Friday 56°F Chance Light Rain 6 to 13 mph W 37%
Friday Night 39°F Chance Light Rain then Mostly Cloudy 12 mph NW 32%
Saturday 52°F Partly Sunny 12 mph NW 3%
Saturday Night 34°F Partly Cloudy 3 to 9 mph NW 3%
Sunday 56°F Sunny 5 to 12 mph W 4%
Sunday Night 35°F Mostly Clear 5 to 9 mph W 4%
Monday 60°F Sunny 5 to 9 mph W 2%
Monday Night 39°F Mostly Clear 8 mph SW 2%
Tuesday 64°F Sunny 7 to 10 mph W 1%

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

Growing snapshot for Dayton, OH

Last spring frost
Apr 16
First fall frost
Oct 28
Growing season
194 days
Hardiness zone
6b

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

Climate data from the nearest NOAA station, Dayton Intl Ap, Oh (0.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.