Dayton, OH Weather & Growing Conditions
Today
67°F
Rain
Rain before 7am, then rain and a slight chance of thunderstorms. Cloudy, with a high near 67. South wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 67°F | Rain | 14 to 17 mph S | 97% |
| Tonight | 51°F | Chance Light Rain then Mostly Cloudy | 6 to 13 mph SW | 50% |
| Thursday | 64°F | Mostly Sunny | 6 to 14 mph SW | 0% |
| Thursday Night | 46°F | Mostly Cloudy | 2 to 8 mph SW | 2% |
| Friday | 58°F | Chance Light Rain | 2 to 10 mph W | 36% |
| Friday Night | 38°F | Chance Light Rain then Mostly Cloudy | 7 to 10 mph NW | 36% |
| Saturday | 55°F | Partly Sunny | 9 mph NW | 2% |
| Saturday Night | 34°F | Partly Cloudy | 3 to 7 mph NW | 2% |
| Sunday | 57°F | Sunny | 3 to 10 mph W | 3% |
| Sunday Night | 34°F | Mostly Clear | 3 to 9 mph W | 3% |
| Monday | 61°F | Sunny | 3 to 9 mph W | 3% |
| Monday Night | 38°F | Mostly Clear | 8 mph SW | 2% |
| Tuesday | 65°F | Sunny | 6 to 9 mph W | 1% |
| Tuesday Night | 38°F | Mostly Clear | 2 to 7 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Dayton, OH
Last spring frost
Apr 18
First fall frost
Oct 25
Growing season
189 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 Mcd, Oh (0.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.