Leavenworth, KS Weather & Growing Conditions
Today
91°F
Mostly Sunny
Mostly sunny, with a high near 91. Heat index values as high as 96. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 91°F | Mostly Sunny | 5 mph S | 12% |
| Tonight | 70°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 3 mph E | 24% |
| Wednesday | 84°F | Chance Showers And Thunderstorms | 6 mph NE | 47% |
| Wednesday Night | 66°F | Showers And Thunderstorms Likely | 2 to 6 mph NNE | 72% |
| Thursday | 84°F | Showers And Thunderstorms Likely then Partly Sunny | 3 mph NE | 72% |
| Thursday Night | 67°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 3 mph ESE | 24% |
| Friday | 88°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 1 to 5 mph S | 24% |
| Friday Night | 70°F | Mostly Clear | 3 mph S | 13% |
| Saturday | 91°F | Sunny | 2 to 8 mph S | 10% |
| Saturday Night | 74°F | Mostly Clear | 9 mph S | 1% |
| Sunday | 93°F | Sunny | 12 mph SSW | 1% |
| Sunday Night | 75°F | Mostly Clear | 12 mph S | 3% |
| Monday | 94°F | Mostly Sunny | 13 mph SSW | 3% |
| Monday Night | 76°F | Mostly Clear | 12 mph SSW | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Leavenworth, KS
Last spring frost
Apr 12
First fall frost
Oct 27
Growing season
196 days
Hardiness zone
6b
Explore more for Leavenworth, KS: full frost dates · planting calendar · Kansas frost dates
Climate data from the nearest NOAA station, Leavenworth, Ks (2.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.