Ionia, MO Weather & Growing Conditions
Overnight
74°F
Mostly Clear
Mostly clear, with a low around 74. South wind 3 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 74°F | Mostly Clear | 3 to 7 mph S | 1% |
| Saturday | 95°F | Sunny | 7 to 14 mph SSW | 0% |
| Saturday Night | 70°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 3 to 8 mph SW | 34% |
| Sunday | 86°F | Chance Showers And Thunderstorms | 6 mph W | 39% |
| Sunday Night | 64°F | Showers And Thunderstorms Likely | 6 mph NNE | 73% |
| Monday | 74°F | Showers And Thunderstorms Likely | 5 to 9 mph NNE | 73% |
| Monday Night | 57°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 6 to 9 mph NNE | 17% |
| Tuesday | 69°F | Partly Sunny | 9 mph NNE | 8% |
| Tuesday Night | 51°F | Mostly Cloudy | 3 to 8 mph NNE | 3% |
| Wednesday | 72°F | Mostly Sunny | 6 mph NE | 1% |
| Wednesday Night | 53°F | Partly Cloudy | 5 mph NE | 2% |
| Thursday | 74°F | Mostly Sunny | 5 mph ENE | 5% |
| Thursday Night | 56°F | Mostly Cloudy | 3 mph ENE | 6% |
| Friday | 74°F | Mostly Sunny | 6 mph E | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Ionia, MO
Last spring frost
Apr 13
First fall frost
Oct 23
Growing season
191 days
Hardiness zone
6b
Explore more for Ionia, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Cole Camp 3Nw, Mo (4.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.