Sidney, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sidney, a city in Shelby County, Ohio.
Tonight
49°F
Chance Light Rain then Mostly Cloudy
A chance of rain before 8pm, then patchy drizzle between 8pm and 10pm. Mostly cloudy, with a low around 49. Southwest wind 6 to 12 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Sidney
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Chance Light Rain then Mostly Cloudy | 6 to 12 mph SW | 27% |
| Thursday | 62°F | Partly Sunny | 7 to 15 mph SW | 1% |
| Thursday Night | 43°F | Mostly Cloudy | 3 to 8 mph SW | 10% |
| Friday | 54°F | Slight Chance Light Rain | 5 to 12 mph NW | 20% |
| Friday Night | 34°F | Slight Chance Light Rain then Mostly Cloudy | 6 to 9 mph NW | 17% |
| Saturday | 52°F | Partly Sunny | 7 to 10 mph NW | 2% |
| Saturday Night | 31°F | Partly Cloudy | 2 to 6 mph W | 0% |
| Sunday | 56°F | Sunny | 2 to 12 mph W | 1% |
| Sunday Night | 33°F | Mostly Clear | 3 to 8 mph W | 1% |
| Monday | 59°F | Sunny | 2 to 8 mph W | 0% |
| Monday Night | 37°F | Mostly Clear | 7 mph SW | 0% |
| Tuesday | 62°F | Sunny | 6 to 9 mph W | 1% |
| Tuesday Night | 36°F | Mostly Clear | 1 to 5 mph NW | 2% |
| Veterans Day | 60°F | Mostly Sunny | 1 to 6 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Sidney (40.290, -84.167). Updated through the day.
Growing snapshot for Sidney
Last spring frost
Apr 27
First fall frost
Oct 20
Growing season
175 days
Hardiness zone
6a
More local growing data for Sidney: nearby ZIP 45365 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Sidney 1 S, Oh (0.9 mi from Sidney). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.