Atchison, KS Weather & Growing Conditions
Today
91°F
Mostly Sunny
Mostly sunny, with a high near 91. Heat index values as high as 99. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 91°F | Mostly Sunny | 7 to 10 mph SSW | 13% |
| Tonight | 65°F | Showers And Thunderstorms Likely | 2 to 7 mph WNW | 82% |
| Sunday | 75°F | Chance Showers And Thunderstorms | 2 to 6 mph NNE | 46% |
| Sunday Night | 60°F | Showers And Thunderstorms Likely | 6 mph NNE | 58% |
| Monday | 66°F | Chance Rain Showers | 7 mph NNE | 47% |
| Monday Night | 53°F | Slight Chance Rain Showers then Mostly Cloudy | 3 to 7 mph NNE | 15% |
| Tuesday | 64°F | Partly Sunny | 6 mph NE | 3% |
| Tuesday Night | 48°F | Partly Cloudy | 5 mph NE | 2% |
| Wednesday | 68°F | Mostly Sunny | 3 mph E | 1% |
| Wednesday Night | 52°F | Partly Cloudy | 2 mph E | 10% |
| Thursday | 71°F | Chance Rain Showers | 3 mph ESE | 25% |
| Thursday Night | 57°F | Slight Chance Rain Showers | 2 mph E | 24% |
| Friday | 71°F | Chance Rain Showers | 5 mph ESE | 26% |
| Friday Night | 58°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 3 mph E | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Atchison, KS
Last spring frost
Apr 11
First fall frost
Oct 29
Growing season
199 days
Hardiness zone
6a
Explore more for Atchison, KS: full frost dates · planting calendar · Kansas frost dates
Climate data from the nearest NOAA station, Atchison, Ks (9.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.