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Leavenworth, KS Weather & Growing Conditions

Today
93°F
Mostly Sunny
Mostly sunny, with a high near 93. Heat index values as high as 100. South southwest wind 6 to 10 mph, with gusts as high as 20 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 93°F Mostly Sunny 6 to 10 mph SSW 6%
Tonight 67°F Chance Showers And Thunderstorms then Showers And Thunderstorms 2 to 7 mph WNW 80%
Sunday 77°F Chance Showers And Thunderstorms 2 to 7 mph N 39%
Sunday Night 61°F Showers And Thunderstorms Likely 7 mph NNE 64%
Monday 68°F Chance Showers And Thunderstorms 6 to 9 mph NNE 54%
Monday Night 54°F Slight Chance Rain Showers then Mostly Cloudy 5 to 9 mph NNE 19%
Tuesday 65°F Mostly Cloudy 7 mph NNE 4%
Tuesday Night 49°F Partly Cloudy 2 to 6 mph NE 4%
Wednesday 68°F Mostly Sunny 5 mph ENE 1%
Wednesday Night 53°F Partly Cloudy 3 mph ENE 8%
Thursday 72°F Chance Rain Showers 1 to 5 mph E 25%
Thursday Night 57°F Slight Chance Rain Showers 3 mph E 23%
Friday 73°F Chance Rain Showers 2 to 6 mph E 25%
Friday Night 58°F Mostly Cloudy 5 mph E 13%

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 Sep 19, 2026.