Portis, KS Weather & Growing Conditions
Tonight
39°F
Partly Cloudy
Partly cloudy, with a low around 39. Northwest wind 10 to 20 mph, with gusts as high as 30 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 39°F | Partly Cloudy | 10 to 20 mph NW | 1% |
| Wednesday | 55°F | Sunny | 5 to 10 mph WNW | 0% |
| Wednesday Night | 38°F | Mostly Clear | 5 to 10 mph NW | 1% |
| Thursday | 55°F | Partly Sunny | 5 to 10 mph NW | 7% |
| Thursday Night | 34°F | Mostly Clear | 5 mph N | 0% |
| Friday | 54°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Friday Night | 36°F | Partly Cloudy | 0 to 5 mph S | 0% |
| Saturday | 62°F | Mostly Sunny | 5 mph W | 2% |
| Saturday Night | 38°F | Mostly Clear | 5 mph WNW | 3% |
| Sunday | 66°F | Sunny | 5 mph WSW | 0% |
| Sunday Night | 42°F | Clear | 5 mph SSW | 0% |
| Monday | 68°F | Sunny | 5 to 10 mph W | 0% |
| Monday Night | 43°F | Mostly Clear | 5 mph NNE | 0% |
| Tuesday | 65°F | Mostly Sunny | 5 mph ENE | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Portis, KS
Last spring frost
Apr 24
First fall frost
Oct 15
Growing season
173 days
Hardiness zone
6a
Explore more for Portis, KS: full frost dates · planting calendar · Kansas frost dates
Climate data from the nearest NOAA station, Smith Ctr, Ks (13.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.