Mahaska, KS Weather & Growing Conditions
Tonight
39°F
Slight Chance Drizzle then Mostly Cloudy
A slight chance of drizzle before 8pm. Mostly cloudy, with a low around 39. Northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 39°F | Slight Chance Drizzle then Mostly Cloudy | 10 to 20 mph NW | 19% |
| Wednesday | 53°F | Mostly Sunny | 5 to 15 mph NW | 0% |
| Wednesday Night | 37°F | Mostly Clear | 5 mph W | 8% |
| Thursday | 52°F | Slight Chance Rain Showers then Partly Sunny | 5 to 10 mph NW | 16% |
| Thursday Night | 34°F | Partly Cloudy | 5 mph N | 0% |
| Friday | 53°F | Partly Sunny | 0 to 5 mph N | 0% |
| Friday Night | 34°F | Mostly Cloudy | 0 mph | 0% |
| Saturday | 60°F | Mostly Sunny | 0 to 5 mph W | 3% |
| Saturday Night | 37°F | Mostly Clear | 0 to 5 mph W | 5% |
| Sunday | 65°F | Sunny | 5 mph W | 2% |
| Sunday Night | 40°F | Clear | 5 mph SW | 0% |
| Monday | 67°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 5 mph NW | 0% |
| Tuesday | 65°F | Mostly Sunny | 5 mph NE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mahaska, KS
Last spring frost
Apr 25
First fall frost
Oct 15
Growing season
169 days
Hardiness zone
6a
Explore more for Mahaska, KS: full frost dates · planting calendar · Kansas frost dates
Climate data from the nearest NOAA station, Fairbury 5S, Ne (10.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.