Sidney, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sidney, a city in Shelby County, Ohio.
Today
66°F
Light Rain
Rain. Cloudy, with a high near 66. South wind 14 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Sidney
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Light Rain | 14 to 20 mph S | 94% |
| Tonight | 49°F | Light Rain Likely then Mostly Cloudy | 7 to 13 mph SW | 61% |
| Thursday | 61°F | Partly Sunny | 7 to 15 mph SW | 1% |
| Thursday Night | 45°F | Mostly Cloudy | 2 to 8 mph SW | 12% |
| Friday | 55°F | Chance Light Rain | 2 to 10 mph W | 43% |
| Friday Night | 37°F | Chance Light Rain then Mostly Cloudy | 7 to 10 mph NW | 43% |
| Saturday | 52°F | Partly Sunny | 9 mph NW | 3% |
| Saturday Night | 32°F | Partly Cloudy | 5 mph W | 3% |
| Sunday | 56°F | Mostly Sunny | 2 to 12 mph W | 3% |
| Sunday Night | 33°F | Mostly Clear | 3 to 8 mph W | 4% |
| Monday | 58°F | Sunny | 3 to 9 mph W | 4% |
| Monday Night | 37°F | Mostly Clear | 6 mph SW | 2% |
| Tuesday | 63°F | Sunny | 6 to 9 mph W | 1% |
| Tuesday Night | 36°F | Mostly Clear | 1 to 6 mph NW | 1% |
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 4, 2026.