Walnut, KS Weather & Growing Conditions
Today
97°F
Sunny
Sunny, with a high near 97. Heat index values as high as 99. South wind around 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 97°F | Sunny | 9 mph S | 1% |
| Tonight | 76°F | Partly Cloudy | 7 mph SE | 2% |
| Wednesday | 97°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 7 to 12 mph S | 17% |
| Wednesday Night | 72°F | Chance Showers And Thunderstorms | 8 mph E | 34% |
| Thursday | 94°F | Chance Showers And Thunderstorms | 6 mph SW | 34% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms | 6 mph S | 63% |
| Friday | 93°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 to 8 mph S | 63% |
| Friday Night | 73°F | Mostly Clear | 7 mph S | 13% |
| Saturday | 96°F | Sunny | 7 to 10 mph S | 10% |
| Saturday Night | 75°F | Mostly Clear | 10 mph S | 3% |
| Sunday | 97°F | Sunny | 10 to 14 mph S | 2% |
| Sunday Night | 76°F | Mostly Clear | 10 to 14 mph S | 0% |
| Monday | 98°F | Sunny | 12 to 15 mph S | 0% |
| Monday Night | 77°F | Mostly Clear | 14 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Walnut, KS
Last spring frost
Apr 4
First fall frost
Nov 1
Growing season
209 days
Hardiness zone
7a
Explore more for Walnut, KS: full frost dates · planting calendar · Kansas frost dates
Climate data from the nearest NOAA station, Girard, Ks (13.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.