Newtown, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Newtown, a village in Hamilton County, Ohio.
This Afternoon
77°F
Sunny
Sunny, with a high near 77. South wind around 10 mph.
7-day forecast for Newtown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Sunny | 10 mph S | 1% |
| Tonight | 62°F | Mostly Cloudy then Showers And Thunderstorms Likely | 7 to 13 mph SE | 69% |
| Wednesday | 68°F | Showers And Thunderstorms | 10 to 15 mph S | 100% |
| Wednesday Night | 52°F | Chance Rain Showers | 3 to 9 mph SW | 39% |
| Thursday | 66°F | Mostly Sunny | 3 to 12 mph SW | 0% |
| Thursday Night | 46°F | Partly Cloudy | 0 to 5 mph W | 1% |
| Friday | 62°F | Partly Sunny | 0 to 8 mph NW | 6% |
| Friday Night | 41°F | Mostly Cloudy | 3 to 7 mph NW | 10% |
| Saturday | 56°F | Mostly Sunny | 3 to 7 mph NW | 9% |
| Saturday Night | 37°F | Mostly Cloudy | 0 to 3 mph NW | 5% |
| Sunday | 58°F | Mostly Sunny | 0 to 9 mph W | 9% |
| Sunday Night | 36°F | Partly Cloudy | 1 to 5 mph W | 12% |
| Monday | 60°F | Sunny | 1 to 7 mph W | 12% |
| Monday Night | 39°F | Mostly Clear | 5 mph SW | 9% |
Forecast source: National Weather Service (api.weather.gov) for Newtown (39.124, -84.351). Updated through the day.
Growing snapshot for Newtown
Last spring frost
Apr 16
First fall frost
Oct 25
Growing season
190 days
Hardiness zone
6b
More local growing data for Newtown: nearby ZIP 45244 weather · frost dates · planting calendar · Ohio frost dates
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Climate data from the nearest NOAA station, Cincinnati Lunken Ap, Oh (5 mi from Newtown). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.