Atchison, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Atchison, a city in Atchison County, Kansas.
This Afternoon
92°F
Partly Sunny
Partly sunny, with a high near 92. Heat index values as high as 99. South southwest wind around 9 mph.
7-day forecast for Atchison
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 92°F | Partly Sunny | 9 mph SSW | 2% |
| Tonight | 73°F | Partly Cloudy | 6 to 9 mph S | 10% |
| Saturday | 91°F | Chance Showers And Thunderstorms | 7 to 10 mph SW | 27% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 2 to 6 mph NNW | 79% |
| Sunday | 77°F | Chance Showers And Thunderstorms | 6 mph N | 50% |
| Sunday Night | 60°F | Chance Showers And Thunderstorms | 3 to 7 mph NNE | 52% |
| Monday | 68°F | Chance Rain Showers | 5 to 8 mph NNE | 46% |
| Monday Night | 54°F | Mostly Cloudy | 3 to 8 mph NNE | 14% |
| Tuesday | 66°F | Mostly Cloudy | 7 mph NE | 7% |
| Tuesday Night | 49°F | Partly Cloudy | 2 to 6 mph ENE | 5% |
| Wednesday | 69°F | Mostly Sunny | 5 mph ENE | 1% |
| Wednesday Night | 53°F | Mostly Cloudy | 3 mph E | 8% |
| Thursday | 71°F | Slight Chance Rain Showers | 3 mph ESE | 18% |
| Thursday Night | 56°F | Slight Chance Rain Showers | 2 mph E | 21% |
Forecast source: National Weather Service (api.weather.gov) for Atchison (39.563, -95.137). Updated through the day.
Growing snapshot for Atchison
Last spring frost
Apr 11
First fall frost
Oct 29
Growing season
199 days
Hardiness zone
6a
More local growing data for Atchison: nearby ZIP 66002 weather · frost dates · planting calendar · Kansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Atchison, Ks (2.3 mi from Atchison). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.