Olean, MO Weather & Growing Conditions
Tonight
51°F
Patchy Drizzle
Patchy drizzle after 8pm. Cloudy, with a low around 51. Southwest wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Patchy Drizzle | 8 mph SW | 20% |
| Wednesday | 59°F | Patchy Drizzle then Mostly Cloudy | 7 to 10 mph W | 15% |
| Wednesday Night | 43°F | Mostly Clear | 5 mph SW | 0% |
| Thursday | 64°F | Mostly Sunny | 3 to 7 mph W | 13% |
| Thursday Night | 44°F | Mostly Cloudy | 3 mph NW | 9% |
| Friday | 58°F | Partly Sunny | 6 mph NW | 5% |
| Friday Night | 40°F | Partly Cloudy | 2 mph N | 0% |
| Saturday | 58°F | Partly Sunny | 1 mph NW | 3% |
| Saturday Night | 39°F | Partly Cloudy | 1 mph NW | 3% |
| Sunday | 64°F | Sunny | 3 mph W | 6% |
| Sunday Night | 39°F | Mostly Clear | 2 mph W | 2% |
| Monday | 69°F | Sunny | 5 mph SW | 0% |
| Monday Night | 44°F | Mostly Clear | 2 mph SW | 0% |
| Tuesday | 71°F | Sunny | 2 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Olean, MO
Last spring frost
Apr 7
First fall frost
Nov 1
Growing season
208 days
Hardiness zone
6b
Explore more for Olean, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Eldon, Mo (7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.