Leavenworth, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Leavenworth, a city in Leavenworth County, Kansas.
This Afternoon
93°F
Sunny
Sunny, with a high near 93. Heat index values as high as 99. South southwest wind around 10 mph, with gusts as high as 18 mph.
7-day forecast for Leavenworth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 93°F | Sunny | 10 mph SSW | 7% |
| Tonight | 67°F | Chance Showers And Thunderstorms | 7 mph W | 66% |
| Sunday | 78°F | Chance Showers And Thunderstorms | 3 to 8 mph N | 41% |
| Sunday Night | 61°F | Showers And Thunderstorms Likely | 3 to 8 mph N | 40% |
| Monday | 69°F | Chance Rain Showers | 5 to 8 mph N | 30% |
| Monday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 7 mph N | 20% |
| Tuesday | 66°F | Partly Sunny | 7 mph NNE | 6% |
| Tuesday Night | 50°F | Partly Cloudy | 2 to 6 mph NE | 3% |
| Wednesday | 69°F | Mostly Sunny | 5 mph ENE | 0% |
| Wednesday Night | 53°F | Partly Cloudy | 3 mph E | 7% |
| Thursday | 73°F | Chance Rain Showers | 3 mph ESE | 29% |
| Thursday Night | 59°F | Chance Rain Showers | 2 mph E | 29% |
| Friday | 77°F | Chance Rain Showers | 5 mph E | 33% |
| Friday Night | 61°F | Mostly Cloudy then Slight Chance Rain Showers | 3 mph E | 16% |
Forecast source: National Weather Service (api.weather.gov) for Leavenworth (39.323, -94.925). Updated through the day.
Growing snapshot for Leavenworth
Last spring frost
Apr 12
First fall frost
Oct 27
Growing season
196 days
Hardiness zone
6b
More local growing data for Leavenworth: nearby ZIP 66027 weather · frost dates · planting calendar · Kansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Leavenworth, Ks (2.5 mi from Leavenworth). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.