South Haven, KS Weather & Growing Conditions
Today
100°F
Mostly Sunny
Mostly sunny, with a high near 100. South southeast wind 6 to 10 mph, with gusts as high as 18 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 100°F | Mostly Sunny | 6 to 10 mph SSE | 9% |
| Tonight | 76°F | Partly Cloudy | 12 mph SSE | 5% |
| Wednesday | 97°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 9 mph WSW | 17% |
| Wednesday Night | 71°F | Slight Chance Showers And Thunderstorms | 8 mph NE | 21% |
| Thursday | 95°F | Chance Showers And Thunderstorms | 7 mph W | 25% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 7 mph ESE | 66% |
| Friday | 94°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 9 mph SE | 66% |
| Friday Night | 72°F | Mostly Clear | 8 mph SE | 8% |
| Saturday | 96°F | Sunny | 6 to 10 mph S | 8% |
| Saturday Night | 74°F | Clear | 12 mph SSE | 2% |
| Sunday | 98°F | Sunny | 9 to 14 mph S | 1% |
| Sunday Night | 74°F | Clear | 13 mph S | 0% |
| Monday | 98°F | Sunny | 10 to 15 mph S | 0% |
| Monday Night | 75°F | Mostly Clear | 14 mph S | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for South Haven, KS
Last spring frost
Apr 15
First fall frost
Oct 29
Growing season
195 days
Hardiness zone
7a
Explore more for South Haven, KS: full frost dates · planting calendar · Kansas frost dates
Climate data from the nearest NOAA station, Wellington, Ks (13.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.