Olean, MO Weather & Growing Conditions
Overnight
74°F
Mostly Clear
Mostly clear, with a low around 74. South wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 74°F | Mostly Clear | 3 mph S | 4% |
| Saturday | 99°F | Mostly Sunny | 3 to 7 mph SW | 1% |
| Saturday Night | 72°F | Partly Cloudy | 3 mph SW | 10% |
| Sunday | 90°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 3 mph W | 31% |
| Sunday Night | 68°F | Showers And Thunderstorms | 3 mph NE | 80% |
| Monday | 78°F | Showers And Thunderstorms | 2 to 6 mph N | 80% |
| Monday Night | 61°F | Chance Showers And Thunderstorms | 6 mph N | 32% |
| Tuesday | 72°F | Partly Sunny | 6 mph N | 13% |
| Tuesday Night | 55°F | Mostly Cloudy | 5 mph NE | 3% |
| Wednesday | 75°F | Mostly Sunny | 3 mph NE | 2% |
| Wednesday Night | 55°F | Partly Cloudy | 2 mph NE | 2% |
| Thursday | 76°F | Mostly Sunny | 2 mph NE | 5% |
| Thursday Night | 59°F | Partly Cloudy | 2 mph NE | 4% |
| Friday | 76°F | Mostly Sunny | 3 mph NE | 8% |
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 Sep 19, 2026.