Sidney, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sidney, a city in Shelby County, Ohio.
Tonight
56°F
Partly Cloudy
Partly cloudy, with a low around 56. East wind around 7 mph.
7-day forecast for Sidney
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Partly Cloudy | 7 mph E | 2% |
| Saturday | 79°F | Showers And Thunderstorms Likely | 7 mph SE | 59% |
| Saturday Night | 65°F | Showers And Thunderstorms Likely | 6 mph S | 70% |
| Sunday | 78°F | Showers And Thunderstorms Likely | 5 to 9 mph W | 70% |
| Sunday Night | 58°F | Showers And Thunderstorms Likely | 10 to 14 mph NE | 70% |
| Monday | 69°F | Showers And Thunderstorms Likely | 10 to 14 mph NE | 57% |
| Monday Night | 54°F | Chance Showers And Thunderstorms | 12 to 16 mph NE | 48% |
| Tuesday | 69°F | Chance Showers And Thunderstorms | 14 mph NE | 36% |
| Tuesday Night | 56°F | Chance Rain Showers | 8 to 15 mph NE | 40% |
| Wednesday | 69°F | Chance Rain Showers | 10 mph NE | 38% |
| Wednesday Night | 55°F | Slight Chance Rain Showers | 6 to 10 mph N | 18% |
| Thursday | 70°F | Mostly Cloudy | 6 to 9 mph N | 12% |
| Thursday Night | 54°F | Mostly Cloudy | 5 to 9 mph N | 12% |
| Friday | 70°F | Partly Sunny | 5 to 8 mph N | 7% |
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 Sep 19, 2026.