Lenexa, KS Weather & Growing Conditions
Today
95°F
Sunny
Sunny, with a high near 95. Heat index values as high as 100. South southwest wind around 13 mph, with gusts as high as 22 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 95°F | Sunny | 13 mph SSW | 2% |
| Tonight | 70°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 to 10 mph WNW | 62% |
| Sunday | 81°F | Chance Showers And Thunderstorms | 7 mph N | 47% |
| Sunday Night | 64°F | Showers And Thunderstorms Likely | 8 mph NNE | 67% |
| Monday | 70°F | Showers And Thunderstorms Likely | 7 to 10 mph NNE | 67% |
| Monday Night | 56°F | Mostly Cloudy | 6 to 9 mph NNE | 6% |
| Tuesday | 67°F | Partly Sunny | 9 mph NNE | 3% |
| Tuesday Night | 52°F | Partly Cloudy | 3 to 7 mph NE | 1% |
| Wednesday | 70°F | Mostly Sunny | 6 mph ENE | 2% |
| Wednesday Night | 55°F | Partly Cloudy | 5 mph E | 6% |
| Thursday | 74°F | Slight Chance Rain Showers | 5 mph E | 24% |
| Thursday Night | 59°F | Slight Chance Rain Showers | 5 mph E | 21% |
| Friday | 74°F | Chance Rain Showers | 6 mph ESE | 26% |
| Friday Night | 61°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 6 mph E | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lenexa, KS
Last spring frost
Apr 10
First fall frost
Oct 29
Growing season
202 days
Hardiness zone
6b
Explore more for Lenexa, KS: full frost dates · planting calendar · Kansas frost dates
Climate data from the nearest NOAA station, Olathe 3E, Ks (4.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.