Casstown, OH Weather & Growing Conditions
Overnight
61°F
Light Rain Likely
Rain likely. Cloudy, with a low around 61. South wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Light Rain Likely | 16 mph S | 73% |
| Wednesday | 66°F | Light Rain | 16 to 20 mph S | 100% |
| Wednesday Night | 50°F | Light Rain Likely then Mostly Cloudy | 8 to 14 mph SW | 69% |
| Thursday | 62°F | Mostly Sunny | 8 to 15 mph SW | 1% |
| Thursday Night | 46°F | Mostly Cloudy | 3 to 8 mph SW | 9% |
| Friday | 56°F | Chance Light Rain | 3 to 12 mph W | 36% |
| Friday Night | 38°F | Chance Light Rain then Mostly Cloudy | 8 to 12 mph NW | 36% |
| Saturday | 53°F | Partly Sunny | 10 mph NW | 4% |
| Saturday Night | 34°F | Partly Cloudy | 6 mph W | 4% |
| Sunday | 56°F | Sunny | 3 to 12 mph W | 4% |
| Sunday Night | 34°F | Mostly Clear | 5 to 9 mph W | 4% |
| Monday | 59°F | Sunny | 3 to 9 mph W | 3% |
| Monday Night | 38°F | Mostly Clear | 7 mph SW | 2% |
| Tuesday | 63°F | Sunny | 6 to 9 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Casstown, OH
Last spring frost
Apr 24
First fall frost
Oct 17
Growing season
173 days
Hardiness zone
6a
Explore more for Casstown, OH: full frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, New Carlisle, Oh (8.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.