Dennis, KS Weather & Growing Conditions
Tonight
46°F
Mostly Cloudy
Mostly cloudy, with a low around 46. West northwest wind 7 to 12 mph, with gusts as high as 18 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 46°F | Mostly Cloudy | 7 to 12 mph WNW | 6% |
| Wednesday | 62°F | Mostly Sunny | 7 to 12 mph W | 0% |
| Wednesday Night | 42°F | Clear | 1 to 5 mph WSW | 7% |
| Thursday | 59°F | Mostly Sunny then Rain Showers Likely | 1 to 8 mph NW | 55% |
| Thursday Night | 41°F | Partly Cloudy | 6 mph NNW | 13% |
| Friday | 59°F | Mostly Sunny | 8 mph N | 0% |
| Friday Night | 39°F | Partly Cloudy | 1 to 5 mph NNE | 0% |
| Saturday | 60°F | Partly Sunny | 1 to 5 mph NW | 2% |
| Saturday Night | 39°F | Mostly Clear | 2 mph WSW | 5% |
| Sunday | 65°F | Sunny | 2 to 6 mph WSW | 3% |
| Sunday Night | 40°F | Mostly Clear | 5 mph SSW | 0% |
| Monday | 68°F | Sunny | 6 to 10 mph SSW | 0% |
| Monday Night | 44°F | Mostly Clear | 7 mph SSW | 1% |
| Tuesday | 70°F | Sunny | 6 to 9 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Dennis, KS
Last spring frost
Apr 10
First fall frost
Oct 26
Growing season
197 days
Hardiness zone
7a
Explore more for Dennis, KS: full frost dates · planting calendar · Kansas frost dates
Climate data from the nearest NOAA station, Parsons Tri City Ap, Ks (4.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.