Corning, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Corning, a city in Adams County, Iowa.
This Afternoon
82°F
Slight Chance Showers And Thunderstorms
A slight chance of rain showers between 2pm and 4pm, then a slight chance of showers and thunderstorms. Mostly sunny. High near 82, with temperatures falling to around 80 in the afternoon. West wind around 8 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 |
|---|---|---|---|---|
| This Afternoon | 82°F | Slight Chance Showers And Thunderstorms | 8 mph W | 19% |
| Tonight | 62°F | Showers And Thunderstorms Likely | 8 mph N | 65% |
| Sunday | 66°F | Chance Showers And Thunderstorms | 7 to 12 mph NNE | 43% |
| Sunday Night | 57°F | Showers And Thunderstorms Likely | 8 to 12 mph NE | 57% |
| Monday | 60°F | Rain Showers Likely | 12 mph NE | 57% |
| Monday Night | 52°F | Chance Rain Showers then Mostly Cloudy | 5 to 12 mph NE | 52% |
| Tuesday | 60°F | Partly Sunny | 6 to 9 mph ENE | 6% |
| Tuesday Night | 46°F | Partly Cloudy | 2 to 7 mph ENE | 3% |
| Wednesday | 63°F | Mostly Sunny | 5 mph E | 1% |
| Wednesday Night | 51°F | Partly Cloudy | 3 mph ESE | 10% |
| Thursday | 65°F | Chance Rain Showers | 5 mph SE | 26% |
| Thursday Night | 56°F | Mostly Cloudy then Slight Chance Rain Showers | 3 mph ESE | 22% |
| Friday | 66°F | Slight Chance Rain Showers | 3 to 7 mph ESE | 22% |
| Friday Night | 56°F | Mostly Cloudy | 5 mph ESE | 12% |
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 Sep 19, 2026.