Sedan, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sedan, a city in Chautauqua County, Kansas.
Today
99°F
Sunny
Sunny, with a high near 99. South southeast wind 3 to 9 mph.
7-day forecast for Sedan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 99°F | Sunny | 3 to 9 mph SSE | 9% |
| Tonight | 76°F | Partly Cloudy | 9 mph SSE | 4% |
| Wednesday | 98°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 9 mph SSW | 18% |
| Wednesday Night | 72°F | Slight Chance Showers And Thunderstorms | 5 to 9 mph E | 19% |
| Thursday | 92°F | Slight Chance Showers And Thunderstorms | 6 mph S | 22% |
| Thursday Night | 72°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms | 7 mph SSE | 77% |
| Friday | 94°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph SSE | 77% |
| Friday Night | 72°F | Mostly Clear | 5 to 10 mph SSE | 14% |
| Saturday | 97°F | Sunny | 5 to 10 mph S | 14% |
| Saturday Night | 74°F | Clear | 10 mph S | 3% |
| Sunday | 98°F | Sunny | 8 to 13 mph S | 2% |
| Sunday Night | 74°F | Clear | 13 mph S | 0% |
| Monday | 98°F | Sunny | 9 to 14 mph SSW | 1% |
| Monday Night | 76°F | Mostly Clear | 9 to 14 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov) for Sedan (37.128, -96.185). Updated through the day.
Growing snapshot for Sedan
Last spring frost
Apr 9
First fall frost
Oct 27
Growing season
199 days
Hardiness zone
7a
More local growing data for Sedan: nearby ZIP 67361 weather · frost dates · planting calendar · Kansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Sedan, Ks (2.1 mi from Sedan). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.