Sedan, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sedan, a city in Chautauqua County, Kansas.
Tonight
75°F
Mostly Clear
Mostly clear, with a low around 75. South southeast wind around 8 mph.
7-day forecast for Sedan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 75°F | Mostly Clear | 8 mph SSE | 1% |
| Saturday | 98°F | Sunny | 8 to 14 mph SSW | 2% |
| Saturday Night | 71°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 to 12 mph S | 65% |
| Sunday | 92°F | Showers And Thunderstorms Likely | 7 mph SSE | 68% |
| Sunday Night | 65°F | Showers And Thunderstorms Likely | 6 mph NE | 70% |
| Monday | 82°F | Chance Showers And Thunderstorms | 6 to 9 mph NNE | 48% |
| Monday Night | 59°F | Partly Cloudy | 7 to 10 mph NNE | 8% |
| Tuesday | 78°F | Mostly Sunny | 9 mph NE | 6% |
| Tuesday Night | 55°F | Partly Cloudy | 6 to 9 mph NE | 1% |
| Wednesday | 80°F | Mostly Sunny | 7 mph ENE | 3% |
| Wednesday Night | 59°F | Partly Cloudy | 6 mph NE | 10% |
| Thursday | 81°F | Chance Rain Showers | 6 mph ENE | 27% |
| Thursday Night | 61°F | Mostly Cloudy then Slight Chance Rain Showers | 6 mph ENE | 17% |
| Friday | 81°F | Slight Chance Rain Showers | 7 mph E | 23% |
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 Sep 19, 2026.