Walnut, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Walnut, a city in Crawford County, Kansas.
This Afternoon
98°F
Sunny
Sunny, with a high near 98. Heat index values as high as 101. South wind around 12 mph.
7-day forecast for Walnut
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 98°F | Sunny | 12 mph S | 2% |
| Tonight | 74°F | Clear | 7 to 10 mph S | 3% |
| Saturday | 97°F | Sunny | 9 to 15 mph S | 2% |
| Saturday Night | 72°F | Partly Cloudy then Chance Showers And Thunderstorms | 7 to 13 mph S | 50% |
| Sunday | 92°F | Showers And Thunderstorms Likely | 8 mph SW | 69% |
| Sunday Night | 66°F | Showers And Thunderstorms Likely | 7 mph NE | 73% |
| Monday | 82°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 6 to 10 mph N | 66% |
| Monday Night | 59°F | Partly Cloudy | 8 to 12 mph NE | 9% |
| Tuesday | 77°F | Partly Sunny | 10 mph NE | 5% |
| Tuesday Night | 55°F | Partly Cloudy | 7 to 10 mph NE | 0% |
| Wednesday | 78°F | Mostly Sunny | 8 mph NE | 3% |
| Wednesday Night | 58°F | Partly Cloudy | 7 mph NE | 5% |
| Thursday | 79°F | Slight Chance Rain Showers | 6 mph E | 17% |
| Thursday Night | 61°F | Mostly Cloudy | 6 mph E | 12% |
Forecast source: National Weather Service (api.weather.gov) for Walnut (37.604, -95.074). Updated through the day.
Growing snapshot for Walnut
Last spring frost
Apr 4
First fall frost
Nov 1
Growing season
209 days
Hardiness zone
7a
More local growing data for Walnut: nearby ZIP 66780 weather · frost dates · planting calendar · Kansas frost dates
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Climate data from the nearest NOAA station, Girard, Ks (13.8 mi from Walnut). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.