Walnut, KS Weather & Growing Conditions
This Afternoon
98°F
Sunny
Sunny, with a high near 98. Heat index values as high as 99. South wind around 15 mph, with gusts as high as 23 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 98°F | Sunny | 15 mph S | 1% |
| Tonight | 71°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 to 10 mph S | 37% |
| Sunday | 91°F | Chance Showers And Thunderstorms | 6 to 9 mph SW | 57% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms | 7 mph N | 48% |
| Monday | 80°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 7 to 10 mph N | 31% |
| Monday Night | 58°F | Partly Cloudy | 8 to 12 mph N | 2% |
| Tuesday | 75°F | Partly Sunny | 10 mph N | 2% |
| Tuesday Night | 54°F | Partly Cloudy | 6 to 10 mph NE | 1% |
| Wednesday | 77°F | Mostly Sunny | 8 mph NE | 1% |
| Wednesday Night | 56°F | Partly Cloudy | 7 mph E | 4% |
| Thursday | 80°F | Slight Chance Rain Showers | 6 mph E | 24% |
| Thursday Night | 61°F | Mostly Cloudy | 5 mph E | 12% |
| Friday | 83°F | Slight Chance Rain Showers | 6 mph E | 22% |
| Friday Night | 64°F | Mostly Cloudy | 6 mph E | 8% |
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 Sep 19, 2026.