Blanchester, OH Weather & Growing Conditions
This Afternoon
75°F
Sunny
Sunny, with a high near 75. South wind around 12 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Sunny | 12 mph S | 1% |
| Tonight | 60°F | Mostly Cloudy then Showers And Thunderstorms Likely | 8 to 15 mph SE | 60% |
| Wednesday | 66°F | Showers And Thunderstorms | 14 to 18 mph S | 100% |
| Wednesday Night | 51°F | Rain Showers then Mostly Cloudy | 5 to 13 mph SW | 79% |
| Thursday | 65°F | Mostly Sunny | 6 to 13 mph SW | 0% |
| Thursday Night | 44°F | Partly Cloudy | 2 to 6 mph SW | 1% |
| Friday | 61°F | Partly Sunny | 2 to 8 mph W | 7% |
| Friday Night | 39°F | Partly Cloudy | 7 mph NW | 11% |
| Saturday | 54°F | Mostly Sunny | 7 mph NW | 12% |
| Saturday Night | 34°F | Mostly Cloudy | 3 mph NW | 12% |
| Sunday | 56°F | Mostly Sunny | 2 to 8 mph W | 7% |
| Sunday Night | 34°F | Partly Cloudy | 6 mph W | 13% |
| Monday | 58°F | Sunny | 3 to 8 mph W | 12% |
| Monday Night | 37°F | Mostly Clear | 6 mph SW | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Blanchester, OH
Last spring frost
Apr 19
First fall frost
Oct 22
Growing season
185 days
Hardiness zone
6b
Explore more for Blanchester, OH: full frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, Cincinnati, Oh (12.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.