Corning, IA Weather & Growing Conditions
Overnight
43°F
Slight Chance Rain Showers
A slight chance of rain showers before 1am. Cloudy. Low around 43, with temperatures rising to around 45 overnight. Northwest wind 12 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 43°F | Slight Chance Rain Showers | 12 to 15 mph NW | 16% |
| Wednesday | 51°F | Mostly Cloudy | 13 to 16 mph W | 9% |
| Wednesday Night | 40°F | Mostly Cloudy then Slight Chance Rain Showers | 8 to 12 mph W | 15% |
| 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 | 4% |
| Friday Night | 34°F | Mostly Cloudy | 1 mph ENE | 0% |
| Saturday | 57°F | Mostly Sunny | 1 to 5 mph SW | 2% |
| Saturday Night | 36°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 | 65°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). Updated through the day.
Growing snapshot for Corning, IA
Last spring frost
Apr 27
First fall frost
Oct 12
Growing season
168 days
Hardiness zone
5b
Explore more for Corning, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Corning, Ia (1.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.