North Star, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for North Star, a village in Darke County, Ohio.
Tonight
66°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for North Star
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 66°F | Chance Showers And Thunderstorms | 7 mph S | 52% |
| Sunday | 80°F | Chance Showers And Thunderstorms | 5 to 10 mph NW | 80% |
| Sunday Night | 56°F | Showers And Thunderstorms | 13 mph NE | 76% |
| Monday | 67°F | Chance Rain Showers | 12 to 15 mph NE | 54% |
| Monday Night | 52°F | Chance Rain Showers | 10 to 16 mph NE | 47% |
| Tuesday | 68°F | Chance Rain Showers | 10 to 14 mph NE | 25% |
| Tuesday Night | 55°F | Chance Rain Showers | 8 to 14 mph NE | 34% |
| Wednesday | 69°F | Chance Rain Showers then Chance Showers And Thunderstorms | 10 mph NE | 52% |
| Wednesday Night | 54°F | Chance Showers And Thunderstorms | 6 to 12 mph NE | 52% |
| Thursday | 69°F | Mostly Cloudy | 8 mph NE | 12% |
| Thursday Night | 53°F | Mostly Cloudy | 3 to 8 mph NE | 12% |
| Friday | 71°F | Partly Sunny | 5 to 9 mph NE | 8% |
| Friday Night | 51°F | Partly Cloudy | 3 to 9 mph NE | 4% |
| Saturday | 73°F | Mostly Sunny | 3 to 7 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov) for North Star (40.324, -84.569). Updated through the day.
Growing snapshot for North Star
Last spring frost
Apr 21
First fall frost
Oct 20
Growing season
180 days
Hardiness zone
6a
More local growing data for North Star: nearby ZIP 45350 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
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Union City
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Wayne Lakes
Yorkshire
Climate data from the nearest NOAA station, Greenville Wtp, Oh (15.8 mi from North Star). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.