Linn, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Linn, a city in Osage County, Missouri.
Tonight
73°F
Partly Cloudy
Partly cloudy, with a low around 73. Southeast wind 2 to 6 mph.
7-day forecast for Linn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 73°F | Partly Cloudy | 2 to 6 mph SE | 6% |
| Saturday | 97°F | Partly Sunny | 6 to 9 mph SW | 4% |
| Saturday Night | 72°F | Partly Cloudy | 6 mph SW | 11% |
| Sunday | 91°F | Chance Rain Showers | 6 mph W | 30% |
| Sunday Night | 66°F | Showers And Thunderstorms | 6 mph NE | 77% |
| Monday | 77°F | Showers And Thunderstorms | 7 mph NE | 77% |
| Monday Night | 60°F | Chance Showers And Thunderstorms | 8 mph N | 42% |
| Tuesday | 70°F | Slight Chance Rain Showers then Partly Sunny | 8 mph N | 19% |
| Tuesday Night | 53°F | Mostly Cloudy | 5 to 8 mph NE | 4% |
| Wednesday | 73°F | Mostly Sunny | 6 mph NE | 2% |
| Wednesday Night | 54°F | Partly Cloudy | 5 mph NE | 1% |
| Thursday | 75°F | Mostly Sunny | 5 mph NE | 6% |
| Thursday Night | 57°F | Partly Cloudy | 5 mph NE | 3% |
| Friday | 75°F | Mostly Sunny | 6 mph NE | 9% |
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 Sep 19, 2026.