Corning, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Corning, a city in Adams County, Iowa.
Tonight
43°F
Cloudy then Slight Chance Rain Showers
A slight chance of rain showers between midnight and 1am. Cloudy. Low around 43, with temperatures rising to around 45 overnight. Northwest wind 12 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Corning
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 43°F | Cloudy then Slight Chance Rain Showers | 12 to 16 mph NW | 17% |
| Wednesday | 51°F | Slight Chance Rain Showers | 13 to 16 mph W | 16% |
| Wednesday Night | 40°F | Mostly Cloudy | 8 to 12 mph W | 12% |
| Thursday | 52°F | Chance Rain Showers | 12 mph NW | 42% |
| Thursday Night | 38°F | Mostly Cloudy | 5 to 8 mph NNW | 8% |
| Friday | 53°F | Partly Sunny | 2 to 6 mph N | 5% |
| Friday Night | 34°F | Mostly Cloudy | 1 mph ENE | 0% |
| Saturday | 57°F | Mostly Sunny | 1 to 5 mph SW | 2% |
| Saturday Night | 37°F | Mostly Clear | 3 mph W | 4% |
| Sunday | 62°F | Sunny | 2 to 6 mph W | 5% |
| Sunday Night | 39°F | Mostly Clear | 6 mph SW | 0% |
| Monday | 66°F | Sunny | 6 to 12 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 2 to 6 mph WNW | 0% |
| Tuesday | 65°F | Mostly Sunny | 2 to 7 mph ENE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Corning (40.992, -94.739). Updated through the day.
Growing snapshot for Corning
Last spring frost
Apr 27
First fall frost
Oct 12
Growing season
168 days
Hardiness zone
5b
More local growing data for Corning: nearby ZIP 50841 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Corning, Ia (1.5 mi from Corning). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.