Denison, KS Weather & Growing Conditions
Overnight
72°F
Partly Cloudy
Partly cloudy, with a low around 72. South wind around 10 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 72°F | Partly Cloudy | 10 mph S | 12% |
| Saturday | 92°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 24% |
| Saturday Night | 65°F | Showers And Thunderstorms Likely | 5 mph NW | 82% |
| Sunday | 76°F | Showers And Thunderstorms Likely | 5 to 10 mph N | 60% |
| Sunday Night | 61°F | Showers And Thunderstorms Likely | 5 mph NE | 60% |
| Monday | 69°F | Chance Rain Showers | 5 to 10 mph N | 41% |
| Monday Night | 54°F | Mostly Cloudy | 5 to 10 mph NE | 8% |
| Tuesday | 66°F | Partly Sunny | 5 mph NE | 5% |
| Tuesday Night | 49°F | Mostly Cloudy | 0 to 5 mph NE | 3% |
| Wednesday | 69°F | Partly Sunny | 0 to 5 mph E | 1% |
| Wednesday Night | 54°F | Mostly Cloudy | 0 to 5 mph E | 7% |
| Thursday | 71°F | Slight Chance Rain Showers | 0 to 5 mph E | 24% |
| Thursday Night | 56°F | Slight Chance Rain Showers | 0 mph | 22% |
| Friday | 72°F | Slight Chance Rain Showers | 0 to 5 mph SE | 24% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Denison, KS
Last spring frost
Apr 10
First fall frost
Oct 29
Growing season
199 days
Hardiness zone
6a
Explore more for Denison, KS: full frost dates · planting calendar · Kansas frost dates
Climate data from the nearest NOAA station, Valley Falls 3 Sw, Ks (7.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.