Olathe, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Olathe, a town in Delta County, Colorado.
This Afternoon
54°F
Sunny
Sunny, with a high near 54. North northwest wind around 0 mph.
7-day forecast for Olathe
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 54°F | Sunny | 0 mph | 0% |
| Tonight | 32°F | Partly Cloudy | 0 to 5 mph SE | 1% |
| Wednesday | 54°F | Showers And Thunderstorms Likely | 5 to 10 mph WNW | 66% |
| Wednesday Night | 34°F | Chance Rain Showers then Mostly Cloudy | 0 to 5 mph SSW | 34% |
| Thursday | 54°F | Mostly Sunny | 0 to 5 mph NNE | 0% |
| Thursday Night | 33°F | Partly Cloudy | 0 to 5 mph SSE | 4% |
| Friday | 55°F | Sunny | 0 to 5 mph N | 4% |
| Friday Night | 31°F | Mostly Clear | 0 to 5 mph SSW | 1% |
| Saturday | 56°F | Sunny | 0 to 5 mph NE | 0% |
| Saturday Night | 30°F | Mostly Clear | 0 to 5 mph SSE | 0% |
| Sunday | 60°F | Sunny | 0 to 5 mph NNE | 0% |
| Sunday Night | 33°F | Mostly Clear | 0 to 5 mph SSE | 0% |
| Monday | 59°F | Mostly Sunny | 0 to 5 mph N | 1% |
| Monday Night | 35°F | Mostly Cloudy | 0 to 5 mph SSE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Olathe (38.608, -107.983). Updated through the day.
Growing snapshot for Olathe
Last spring frost
May 1
First fall frost
Oct 7
Growing season
159 days
Hardiness zone
6b
More local growing data for Olathe: nearby ZIP 81410 weather · frost dates · planting calendar · Colorado frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Delta 3E, Co (4.7 mi from Olathe). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.