Olathe, KS Weather & Growing Conditions
Overnight
47°F
Patchy Drizzle
Patchy drizzle before 3am. Cloudy, with a low around 47. West northwest wind around 12 mph, with gusts as high as 18 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 47°F | Patchy Drizzle | 12 mph WNW | 9% |
| Wednesday | 57°F | Partly Sunny | 7 to 13 mph W | 0% |
| Wednesday Night | 42°F | Mostly Clear | 6 mph W | 0% |
| Thursday | 57°F | Sunny | 6 to 9 mph WNW | 0% |
| Thursday Night | 44°F | Mostly Cloudy | 6 mph NNW | 4% |
| Friday | 55°F | Partly Sunny | 7 mph N | 2% |
| Friday Night | 37°F | Mostly Cloudy | 3 mph NE | 0% |
| Saturday | 56°F | Mostly Sunny | 3 mph S | 0% |
| Saturday Night | 38°F | Mostly Clear | 2 mph WSW | 0% |
| Sunday | 62°F | Sunny | 5 mph W | 0% |
| Sunday Night | 40°F | Clear | 5 mph SW | 0% |
| Monday | 67°F | Sunny | 5 to 8 mph SSW | 0% |
| Monday Night | 44°F | Clear | 5 mph SW | 0% |
| Tuesday | 68°F | Sunny | 6 mph WSW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Olathe, KS
Last spring frost
Apr 13
First fall frost
Oct 24
Growing season
193 days
Hardiness zone
6b
Explore more for Olathe, KS: full frost dates · planting calendar · Kansas frost dates
Climate data from the nearest NOAA station, Olathe Johnson Co Ap, Ks (4.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.