Ionia, MO Weather & Growing Conditions
Today
90°F
Sunny
Sunny, with a high near 90. South wind 2 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Sunny | 2 to 7 mph S | 0% |
| Tonight | 72°F | Partly Cloudy | 1 to 6 mph SSE | 8% |
| Wednesday | 89°F | Chance Showers And Thunderstorms | 6 mph S | 29% |
| Wednesday Night | 69°F | Chance Showers And Thunderstorms | 6 mph ENE | 77% |
| Thursday | 86°F | Showers And Thunderstorms | 5 mph SSW | 77% |
| Thursday Night | 68°F | Partly Cloudy then Chance Showers And Thunderstorms | 3 mph SE | 27% |
| Friday | 87°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 1 to 5 mph SSW | 27% |
| Friday Night | 70°F | Slight Chance Showers And Thunderstorms | 3 mph S | 23% |
| Saturday | 90°F | Slight Chance Showers And Thunderstorms then Sunny | 7 mph SSW | 23% |
| Saturday Night | 72°F | Mostly Clear | 7 mph S | 4% |
| Sunday | 91°F | Sunny | 7 to 12 mph SSW | 1% |
| Sunday Night | 73°F | Mostly Clear | 8 mph S | 2% |
| Monday | 92°F | Sunny | 9 to 13 mph SSW | 2% |
| Monday Night | 74°F | Mostly Clear | 9 mph SSW | 2% |
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 Aug 4, 2026.