Portis, KS Weather & Growing Conditions
Tonight
70°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 9pm and 3am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South southeast wind 0 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Slight Chance Showers And Thunderstorms | 0 to 15 mph SSE | 26% |
| Saturday | 84°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 10 mph NNE | 18% |
| Saturday Night | 64°F | Chance Showers And Thunderstorms | 10 mph NNE | 37% |
| Sunday | 71°F | Chance Showers And Thunderstorms | 10 mph NNE | 42% |
| Sunday Night | 60°F | Slight Chance Rain Showers | 5 to 10 mph NNE | 20% |
| Monday | 70°F | Slight Chance Rain Showers then Partly Sunny | 5 to 10 mph N | 15% |
| Monday Night | 55°F | Mostly Clear | 5 to 10 mph NE | 8% |
| Tuesday | 68°F | Partly Sunny | 5 mph E | 3% |
| Tuesday Night | 56°F | Partly Cloudy | 10 mph ESE | 8% |
| Wednesday | 71°F | Slight Chance Rain Showers | 10 mph SE | 17% |
| Wednesday Night | 60°F | Chance Rain Showers | 10 mph SE | 46% |
| Thursday | 71°F | Chance Rain Showers | 10 mph SSE | 46% |
| Thursday Night | 61°F | Chance Rain Showers | 10 mph SE | 34% |
| Friday | 73°F | Chance Rain Showers | 10 mph SE | 34% |
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 Sep 19, 2026.