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Lenexa, KS Weather & Growing Conditions

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

Overnight
48°F
Patchy Drizzle
Patchy drizzle before 3am. Cloudy, with a low around 48. West northwest wind around 12 mph.

7-day forecast for Lenexa

WhenTempForecastWindPrecip
Overnight 48°F Patchy Drizzle 12 mph WNW 9%
Wednesday 57°F Mostly Cloudy 8 to 13 mph W 0%
Wednesday Night 43°F Mostly Clear 7 mph W 0%
Thursday 56°F Mostly Sunny 6 to 9 mph WNW 0%
Thursday Night 45°F Mostly Cloudy 7 mph NNW 5%
Friday 54°F Partly Sunny 5 to 8 mph N 3%
Friday Night 37°F Mostly Cloudy 3 mph NE 0%
Saturday 55°F Mostly Sunny 3 mph S 0%
Saturday Night 39°F Mostly Clear 2 mph SW 0%
Sunday 62°F Sunny 5 mph W 0%
Sunday Night 41°F Clear 5 mph SW 0%
Monday 67°F Sunny 5 to 9 mph SSW 0%
Monday Night 45°F Clear 6 mph SW 0%
Tuesday 68°F Sunny 6 mph WNW 0%

Forecast source: National Weather Service (api.weather.gov) for Lenexa (38.965, -94.804). Updated through the day.

Growing snapshot for Lenexa

Last spring frost
Apr 10
First fall frost
Oct 29
Growing season
202 days
Hardiness zone
6b

More local growing data for Lenexa: nearby ZIP 66220 weather · frost dates · planting calendar · Kansas frost dates

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Climate data from the nearest NOAA station, Olathe 3E, Ks (5.9 mi from Lenexa). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.