Denison, KS Weather & Growing Conditions
Overnight
43°F
Cloudy
Cloudy, with a low around 43. Northwest wind around 10 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 43°F | Cloudy | 10 mph NW | 1% |
| Wednesday | 56°F | Partly Sunny | 5 to 10 mph W | 0% |
| Wednesday Night | 39°F | Mostly Clear | 5 mph W | 1% |
| Thursday | 56°F | Mostly Sunny then Slight Chance Rain Showers | 5 to 10 mph NW | 15% |
| Thursday Night | 38°F | Mostly Cloudy | 5 mph N | 1% |
| Friday | 56°F | Partly Sunny | 0 to 5 mph N | 0% |
| Friday Night | 36°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 60°F | Mostly Sunny | 0 to 5 mph W | 4% |
| Saturday Night | 37°F | Mostly Clear | 0 mph | 5% |
| Sunday | 65°F | Sunny | 0 to 5 mph W | 3% |
| Sunday Night | 40°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Monday | 69°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 42°F | Mostly Clear | 0 to 5 mph W | 0% |
| Tuesday | 69°F | Sunny | 0 to 5 mph NE | 0% |
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 Nov 4, 2026.