Sidney, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sidney, a town in Wabash County, Indiana.
This Afternoon
67°F
Isolated Rain Showers
Isolated rain showers before 4pm. Mostly cloudy. High near 67, with temperatures falling to around 61 in the afternoon. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
7-day forecast for Sidney
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Isolated Rain Showers | 10 to 15 mph SW | 21% |
| Tonight | 48°F | Mostly Cloudy | 10 mph SW | 9% |
| Thursday | 57°F | Mostly Cloudy | 10 to 15 mph SW | 11% |
| Thursday Night | 43°F | Rain Showers Likely | 5 to 10 mph W | 58% |
| Friday | 50°F | Chance Rain Showers | 5 to 10 mph NW | 44% |
| Friday Night | 36°F | Chance Rain Showers | 5 to 10 mph NW | 29% |
| Saturday | 51°F | Partly Sunny | 5 to 10 mph NW | 7% |
| Saturday Night | 31°F | Partly Cloudy | 0 to 5 mph W | 0% |
| Sunday | 55°F | Sunny | 5 to 10 mph W | 1% |
| Sunday Night | 34°F | Mostly Clear | 0 to 5 mph W | 1% |
| Monday | 58°F | Sunny | 0 to 10 mph W | 0% |
| Monday Night | 39°F | Clear | 5 mph SW | 0% |
| Tuesday | 60°F | Sunny | 5 mph W | 0% |
| Tuesday Night | 36°F | Mostly Clear | 0 to 5 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Sidney (41.105, -85.743). Updated through the day.
Growing snapshot for Sidney
Last spring frost
Apr 26
First fall frost
Oct 19
Growing season
174 days
Hardiness zone
6a
More local growing data for Sidney: nearby ZIP 46946 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, N Manchester Wwtp, In (3.9 mi from Sidney). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.