Portis, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Portis, a city in Smith County, Kansas.
Today
83°F
Isolated Showers And Thunderstorms
Isolated showers and thunderstorms. Partly sunny, with a high near 83. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Portis
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Isolated Showers And Thunderstorms | 10 to 15 mph NE | 22% |
| Tonight | 62°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph NNE | 25% |
| Wednesday | 77°F | Chance Showers And Thunderstorms | 10 mph NE | 35% |
| Wednesday Night | 60°F | Partly Cloudy | 5 to 10 mph ENE | 3% |
| Thursday | 85°F | Mostly Sunny | 5 to 10 mph ESE | 4% |
| Thursday Night | 65°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SE | 17% |
| Friday | 92°F | Slight Chance Showers And Thunderstorms then Sunny | 5 to 10 mph SE | 16% |
| Friday Night | 69°F | Clear | 5 to 10 mph SSE | 3% |
| Saturday | 96°F | Sunny | 5 to 15 mph S | 2% |
| Saturday Night | 74°F | Mostly Clear | 15 mph SSE | 2% |
| Sunday | 99°F | Sunny | 10 to 20 mph S | 2% |
| Sunday Night | 75°F | Mostly Clear | 15 to 20 mph S | 4% |
| Monday | 99°F | Sunny | 15 to 20 mph S | 4% |
| Monday Night | 75°F | Mostly Clear | 15 to 20 mph SSE | 6% |
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 Aug 4, 2026.