Portis, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Portis, a city in Smith County, Kansas.
Tonight
39°F
Partly Cloudy
Partly cloudy, with a low around 39. Northwest wind around 10 mph.
7-day forecast for Portis
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 39°F | Partly Cloudy | 10 mph NW | 2% |
| Wednesday | 55°F | Sunny | 5 to 10 mph WNW | 0% |
| Wednesday Night | 37°F | Mostly Clear | 5 mph WNW | 1% |
| Thursday | 55°F | Partly Sunny | 5 to 10 mph NW | 6% |
| Thursday Night | 34°F | Mostly Clear | 5 mph NNW | 0% |
| Friday | 55°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Friday Night | 36°F | Partly Cloudy | 0 to 5 mph S | 0% |
| Saturday | 63°F | Mostly Sunny | 5 mph W | 2% |
| Saturday Night | 38°F | Mostly Clear | 0 to 5 mph WNW | 3% |
| Sunday | 67°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) for Portis (39.564, -98.692). Updated through the day.
Growing snapshot for Portis
Last spring frost
Apr 24
First fall frost
Oct 15
Growing season
173 days
Hardiness zone
6a
More local growing data for Portis: nearby ZIP 67474 weather · frost dates · planting calendar · Kansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Smith Ctr, Ks (13.2 mi from Portis). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.