Linn, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Linn, a city in Osage County, Missouri.
This Afternoon
70°F
Rain
Rain and a slight chance of thunderstorms. Cloudy. High near 70, with temperatures falling to around 66 in the afternoon. South wind 12 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.
7-day forecast for Linn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Rain | 12 to 16 mph S | 76% |
| Tonight | 50°F | Slight Chance T-storms then Chance Rain Showers | 12 mph SW | 22% |
| Wednesday | 61°F | Mostly Cloudy | 8 to 13 mph W | 3% |
| Wednesday Night | 41°F | Partly Cloudy | 7 mph SW | 0% |
| Thursday | 64°F | Sunny | 9 mph W | 8% |
| Thursday Night | 42°F | Mostly Cloudy | 7 mph NW | 9% |
| Friday | 58°F | Partly Sunny | 8 mph NW | 5% |
| Friday Night | 38°F | Partly Cloudy | 1 to 5 mph N | 2% |
| Saturday | 57°F | Partly Sunny | 3 mph NW | 0% |
| Saturday Night | 36°F | Partly Cloudy | 3 mph W | 3% |
| Sunday | 63°F | Sunny | 6 mph W | 6% |
| Sunday Night | 36°F | Mostly Clear | 5 mph W | 2% |
| Monday | 68°F | Sunny | 7 mph SW | 1% |
| Monday Night | 41°F | Mostly Clear | 5 mph SW | 1% |
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 Nov 3, 2026.