Miamisburg, OH Weather & Growing Conditions
This Afternoon
67°F
Rain
Rain. Cloudy, with a high near 67. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Rain | 15 to 20 mph S | 96% |
| Tonight | 50°F | Light Rain Likely then Mostly Cloudy | 6 to 14 mph SW | 55% |
| Thursday | 64°F | Mostly Sunny | 7 to 15 mph SW | 0% |
| Thursday Night | 44°F | Mostly Cloudy | 3 to 8 mph W | 8% |
| Friday | 56°F | Slight Chance Light Rain | 3 to 12 mph NW | 18% |
| Friday Night | 36°F | Mostly Cloudy | 6 to 10 mph NW | 12% |
| Saturday | 53°F | Partly Sunny | 6 to 10 mph NW | 0% |
| Saturday Night | 32°F | Partly Cloudy | 6 mph NW | 0% |
| Sunday | 57°F | Sunny | 3 to 10 mph W | 0% |
| Sunday Night | 34°F | Mostly Clear | 3 to 8 mph W | 0% |
| Monday | 62°F | Sunny | 2 to 8 mph W | 0% |
| Monday Night | 37°F | Mostly Clear | 7 mph SW | 0% |
| Tuesday | 65°F | Sunny | 6 to 9 mph W | 1% |
| Tuesday Night | 37°F | Mostly Clear | 2 to 6 mph NW | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Miamisburg, OH
Last spring frost
Apr 17
First fall frost
Oct 26
Growing season
192 days
Hardiness zone
6b
Explore more for Miamisburg, OH: full frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, Dayton Wright Bros Ap, Oh (3.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.