Morning Sun, IA Weather & Growing Conditions
Today
52°F
Cloudy
Cloudy, with a high near 52. West wind around 15 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 52°F | Cloudy | 15 mph W | 11% |
| Tonight | 46°F | Mostly Cloudy | 10 to 15 mph SW | 8% |
| Thursday | 55°F | Rain Showers Likely | 10 to 15 mph W | 63% |
| Thursday Night | 43°F | Slight Chance Rain Showers then Mostly Cloudy | 10 mph NW | 16% |
| Friday | 50°F | Partly Sunny | 5 to 10 mph N | 6% |
| Friday Night | 32°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 51°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 35°F | Mostly Clear | 0 to 5 mph W | 1% |
| Sunday | 57°F | Sunny | 5 mph W | 1% |
| Sunday Night | 37°F | Clear | 5 mph W | 0% |
| Monday | 63°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 42°F | Clear | 5 mph W | 0% |
| Tuesday | 63°F | Sunny | 5 mph NW | 0% |
| Tuesday Night | 42°F | Partly Cloudy | 0 to 5 mph N | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Morning Sun, IA
Last spring frost
Apr 26
First fall frost
Oct 10
Growing season
167 days
Hardiness zone
5b
Explore more for Morning Sun, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Columbus Junction, Ia (12.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.