Dayton, OH Weather & Growing Conditions
Today
85°F
Mostly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 2pm and 3pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 85. Southeast wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 8 mph SE | 69% |
| Tonight | 68°F | Chance Showers And Thunderstorms | 8 mph S | 55% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 6 to 10 mph W | 41% |
| Sunday Night | 60°F | Showers And Thunderstorms Likely | 12 to 15 mph NE | 60% |
| Monday | 71°F | Rain Showers Likely | 14 mph NE | 59% |
| Monday Night | 55°F | Chance Rain Showers | 12 to 16 mph NE | 45% |
| Tuesday | 71°F | Slight Chance Rain Showers | 14 mph NE | 21% |
| Tuesday Night | 57°F | Chance Rain Showers | 9 to 15 mph NE | 42% |
| Wednesday | 71°F | Chance Rain Showers | 10 mph NE | 52% |
| Wednesday Night | 57°F | Chance Showers And Thunderstorms | 7 to 13 mph NE | 52% |
| Thursday | 71°F | Mostly Cloudy | 7 to 10 mph NE | 12% |
| Thursday Night | 55°F | Mostly Cloudy | 6 to 10 mph N | 12% |
| Friday | 72°F | Mostly Sunny | 6 to 12 mph NE | 9% |
| Friday Night | 53°F | Partly Cloudy | 6 to 12 mph NE | 9% |
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 (3.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.