Cincinnati, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cincinnati, a city in Appanoose County, Iowa.
Overnight
46°F
Slight Chance Rain Showers
A slight chance of rain showers after 5am. Cloudy. Low around 46, with temperatures rising to around 48 overnight. West wind around 13 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
7-day forecast for Cincinnati
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 46°F | Slight Chance Rain Showers | 13 mph W | 15% |
| Wednesday | 52°F | Slight Chance Rain Showers then Cloudy | 12 to 16 mph W | 18% |
| Wednesday Night | 43°F | Mostly Cloudy | 9 mph W | 7% |
| Thursday | 55°F | Chance Rain Showers | 7 to 10 mph WNW | 30% |
| Thursday Night | 41°F | Slight Chance Rain Showers then Mostly Cloudy | 6 mph NNW | 17% |
| Friday | 51°F | Partly Sunny | 2 to 7 mph N | 6% |
| Friday Night | 30°F | Partly Cloudy | 1 mph NNE | 0% |
| Saturday | 53°F | Mostly Sunny | 2 mph W | 0% |
| Saturday Night | 34°F | Mostly Clear | 2 mph W | 1% |
| Sunday | 60°F | Sunny | 5 mph W | 1% |
| Sunday Night | 36°F | Clear | 2 mph SW | 0% |
| Monday | 65°F | Sunny | 2 to 8 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 3 mph W | 0% |
| Tuesday | 65°F | Sunny | 2 mph NNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Cincinnati (40.631, -92.922). Updated through the day.
Growing snapshot for Cincinnati
Last spring frost
Apr 28
First fall frost
Oct 14
Growing season
168 days
Hardiness zone
5b
More local growing data for Cincinnati: nearby ZIP 52549 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Centerville, Ia (8.3 mi from Cincinnati). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.