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Leavenworth, KS Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Leavenworth, a city in Leavenworth County, Kansas.

Today
57°F
Mostly Cloudy
Mostly cloudy, with a high near 57. West wind 7 to 12 mph, with gusts as high as 20 mph.

7-day forecast for Leavenworth

WhenTempForecastWindPrecip
Today 57°F Mostly Cloudy 7 to 12 mph W 1%
Tonight 40°F Mostly Clear 5 mph W 1%
Thursday 56°F Mostly Sunny 5 to 8 mph NW 0%
Thursday Night 42°F Mostly Cloudy 5 mph NNW 2%
Friday 54°F Partly Sunny 5 mph N 1%
Friday Night 34°F Mostly Cloudy 2 mph NNE 0%
Saturday 56°F Mostly Sunny 2 mph SSW 0%
Saturday Night 36°F Mostly Clear 1 mph WSW 0%
Sunday 62°F Sunny 3 mph W 0%
Sunday Night 38°F Clear 2 mph SW 0%
Monday 67°F Sunny 2 to 7 mph SSW 0%
Monday Night 42°F Clear 5 mph WSW 0%
Tuesday 68°F Sunny 5 mph NNW 0%
Tuesday Night 45°F Partly Cloudy 2 mph ESE 1%

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

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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 Nov 4, 2026.