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Tonganoxie, KS Weather & Growing Conditions

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

This Afternoon
95°F
Sunny
Sunny, with a high near 95. Heat index values as high as 101. South southwest wind around 12 mph, with gusts as high as 22 mph. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Tonganoxie

WhenTempForecastWindPrecip
This Afternoon 95°F Sunny 12 mph SSW 6%
Tonight 67°F Chance Showers And Thunderstorms 5 to 8 mph W 73%
Sunday 80°F Chance Showers And Thunderstorms 3 to 9 mph N 42%
Sunday Night 62°F Showers And Thunderstorms Likely 5 to 10 mph NNE 65%
Monday 70°F Showers And Thunderstorms Likely 6 to 9 mph NNE 59%
Monday Night 55°F Mostly Cloudy 5 to 9 mph NNE 6%
Tuesday 67°F Partly Sunny 8 mph NNE 3%
Tuesday Night 50°F Partly Cloudy 6 mph NE 2%
Wednesday 70°F Mostly Sunny 5 mph ENE 1%
Wednesday Night 54°F Partly Cloudy 3 mph ENE 9%
Thursday 73°F Chance Rain Showers 5 mph E 27%
Thursday Night 58°F Slight Chance Rain Showers 5 mph E 23%
Friday 73°F Chance Rain Showers 6 mph ESE 26%
Friday Night 59°F Mostly Cloudy 5 mph E 14%

Forecast source: National Weather Service (api.weather.gov) for Tonganoxie (39.108, -95.079). Updated through the day.

Growing snapshot for Tonganoxie

Last spring frost
Apr 21
First fall frost
Oct 17
Growing season
177 days
Hardiness zone
6b

More local growing data for Tonganoxie: nearby ZIP 66086 weather · frost dates · planting calendar · Kansas frost dates

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Climate data from the nearest NOAA station, Lawrence Muni Ap, Ks (10.2 mi from Tonganoxie). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.