New Knoxville, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Knoxville, a village in Auglaize County, Ohio.
This Afternoon
80°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 5pm, then a chance of showers and thunderstorms. Cloudy, with a high near 80. South wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for New Knoxville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 80°F | Showers And Thunderstorms Likely | 7 mph S | 67% |
| Tonight | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 6 mph S | 61% |
| Sunday | 79°F | Showers And Thunderstorms Likely | 3 to 10 mph NW | 78% |
| Sunday Night | 55°F | Showers And Thunderstorms Likely | 13 mph NE | 74% |
| Monday | 67°F | Chance Rain Showers | 13 to 16 mph NE | 45% |
| Monday Night | 51°F | Chance Rain Showers | 10 to 17 mph NE | 45% |
| Tuesday | 67°F | Mostly Cloudy then Slight Chance Rain Showers | 12 to 16 mph NE | 16% |
| Tuesday Night | 53°F | Chance Rain Showers | 9 to 15 mph NE | 49% |
| Wednesday | 67°F | Chance Showers And Thunderstorms | 10 mph NE | 49% |
| Wednesday Night | 53°F | Chance Rain Showers | 5 to 10 mph NE | 45% |
| Thursday | 69°F | Mostly Cloudy | 6 to 9 mph NE | 11% |
| Thursday Night | 52°F | Mostly Cloudy | 3 to 9 mph N | 11% |
| Friday | 70°F | Mostly Sunny | 5 to 10 mph NE | 8% |
| Friday Night | 50°F | Partly Cloudy | 3 to 10 mph NE | 8% |
Forecast source: National Weather Service (api.weather.gov) for New Knoxville (40.495, -84.315). Updated through the day.
Growing snapshot for New Knoxville
Last spring frost
Apr 27
First fall frost
Oct 19
Growing season
175 days
Hardiness zone
6a
More local growing data for New Knoxville: nearby ZIP 45871 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Celina 3 Ne, Oh (13.9 mi from New Knoxville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.