Olean, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Olean, a town in Miller County, Missouri.
This Afternoon
97°F
Slight Chance Showers And Thunderstorms
A slight chance of rain showers before 4pm, then a slight chance of showers and thunderstorms. Sunny. High near 97, with temperatures falling to around 94 in the afternoon. Heat index values as high as 103. Southwest wind around 2 mph. Chance of precipitation is 20%.
7-day forecast for Olean
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 97°F | Slight Chance Showers And Thunderstorms | 2 mph SW | 19% |
| Tonight | 74°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 3 mph S | 17% |
| Saturday | 97°F | Mostly Sunny | 3 to 7 mph SW | 3% |
| Saturday Night | 72°F | Partly Cloudy then Slight Chance Rain Showers | 3 mph SW | 18% |
| Sunday | 91°F | Chance Rain Showers | 3 mph W | 43% |
| Sunday Night | 67°F | Showers And Thunderstorms | 3 mph N | 80% |
| Monday | 77°F | Showers And Thunderstorms | 5 mph N | 80% |
| Monday Night | 60°F | Chance Showers And Thunderstorms | 6 mph N | 31% |
| Tuesday | 71°F | Partly Sunny | 6 mph N | 13% |
| Tuesday Night | 54°F | Mostly Cloudy | 1 to 5 mph NE | 3% |
| Wednesday | 74°F | Mostly Sunny | 3 mph NE | 2% |
| Wednesday Night | 54°F | Partly Cloudy | 2 mph NE | 2% |
| Thursday | 76°F | Mostly Sunny | 2 mph NE | 5% |
| Thursday Night | 58°F | Partly Cloudy | 1 mph NE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Olean (38.410, -92.530). Updated through the day.
Growing snapshot for Olean
Last spring frost
Apr 7
First fall frost
Nov 1
Growing season
208 days
Hardiness zone
6b
More local growing data for Olean: nearby ZIP 65064 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Eldon, Mo (7 mi from Olean). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.