Ionia, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ionia, a community in Jewell County, Kansas.
Tonight
70°F
Mostly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 1am. Mostly cloudy. Low around 70, with temperatures rising to around 73 overnight. South southwest wind 0 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Ionia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 0 to 10 mph SSW | 23% |
| Saturday | 83°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph NNW | 19% |
| Saturday Night | 63°F | Chance Showers And Thunderstorms | 10 mph NNE | 31% |
| Sunday | 70°F | Chance Showers And Thunderstorms | 10 mph NNE | 42% |
| Sunday Night | 61°F | Chance Rain Showers | 5 to 10 mph NNE | 30% |
| Monday | 69°F | Partly Sunny | 5 to 10 mph N | 14% |
| Monday Night | 55°F | Mostly Clear | 5 to 10 mph NE | 14% |
| Tuesday | 67°F | Partly Sunny | 5 mph ENE | 2% |
| Tuesday Night | 55°F | Partly Cloudy | 5 to 10 mph ESE | 6% |
| Wednesday | 70°F | Slight Chance Rain Showers | 5 to 10 mph SE | 15% |
| Wednesday Night | 60°F | Chance Showers And Thunderstorms | 5 to 10 mph SE | 42% |
| Thursday | 70°F | Chance Showers And Thunderstorms | 5 to 10 mph SSE | 42% |
| Thursday Night | 61°F | Chance Rain Showers | 5 to 10 mph SE | 33% |
| Friday | 72°F | Chance Rain Showers | 5 to 10 mph SE | 33% |
Forecast source: National Weather Service (api.weather.gov) for Ionia (39.663, -98.344). Updated through the day.
Growing snapshot for Ionia
Last spring frost
Apr 29
First fall frost
Oct 15
Growing season
168 days
Hardiness zone
6a
More local growing data for Ionia: nearby ZIP 67430 weather · frost dates · planting calendar · Kansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Glen Elder Lake, Ks (8.4 mi from Ionia). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.