Linn, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Linn, a city in Osage County, Missouri.
Today
90°F
Sunny
Sunny, with a high near 90. South wind around 6 mph.
7-day forecast for Linn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Sunny | 6 mph S | 0% |
| Tonight | 70°F | Mostly Clear | 6 mph SE | 2% |
| Wednesday | 92°F | Mostly Sunny then Scattered Showers And Thunderstorms | 6 mph S | 31% |
| Wednesday Night | 70°F | Slight Chance Showers And Thunderstorms | 6 mph S | 73% |
| Thursday | 88°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 6 mph S | 73% |
| Thursday Night | 69°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 3 mph S | 19% |
| Friday | 88°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 21% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 3 mph S | 27% |
| Saturday | 91°F | Chance Showers And Thunderstorms then Sunny | 5 mph SW | 27% |
| Saturday Night | 72°F | Mostly Clear | 3 to 7 mph S | 6% |
| Sunday | 93°F | Sunny | 8 mph SW | 4% |
| Sunday Night | 73°F | Mostly Clear | 7 mph S | 4% |
| Monday | 94°F | Sunny | 8 mph SW | 4% |
| Monday Night | 74°F | Mostly Clear | 7 mph S | 6% |
Forecast source: National Weather Service (api.weather.gov) for Linn (38.479, -91.845). Updated through the day.
Growing snapshot for Linn
Last spring frost
Apr 11
First fall frost
Oct 21
Growing season
191 days
Hardiness zone
6b
More local growing data for Linn: nearby ZIP 65051 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Freedom, Mo (5.2 mi from Linn). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.