Knox City, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Knox City, a city in Knox County, Missouri.
This Afternoon
69°F
Light Rain
Rain and a slight chance of thunderstorms. Cloudy. High near 69, with temperatures falling to around 65 in the afternoon. South wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 90%.
7-day forecast for Knox City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Light Rain | 15 mph S | 88% |
| Tonight | 49°F | Slight Chance Light Rain then Chance Rain Showers | 12 mph SW | 17% |
| Wednesday | 56°F | Chance Rain Showers then Cloudy | 12 to 15 mph W | 12% |
| Wednesday Night | 42°F | Partly Cloudy | 7 to 10 mph SW | 1% |
| Thursday | 56°F | Partly Sunny | 8 to 12 mph W | 14% |
| Thursday Night | 41°F | Mostly Cloudy then Slight Chance Light Rain | 5 to 8 mph NW | 18% |
| Friday | 53°F | Mostly Cloudy | 6 to 9 mph N | 3% |
| Friday Night | 36°F | Mostly Cloudy | 1 to 5 mph N | 1% |
| Saturday | 54°F | Partly Sunny | 1 to 5 mph W | 1% |
| Saturday Night | 36°F | Mostly Clear | 5 mph W | 4% |
| Sunday | 61°F | Sunny | 7 mph W | 10% |
| Sunday Night | 36°F | Mostly Clear | 5 mph W | 2% |
| Monday | 65°F | Sunny | 5 to 10 mph SW | 2% |
| Monday Night | 41°F | Mostly Clear | 6 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Knox City (40.144, -92.010). Updated through the day.
Growing snapshot for Knox City
Last spring frost
Apr 17
First fall frost
Oct 19
Growing season
184 days
Hardiness zone
6a
More local growing data for Knox City: nearby ZIP 63446 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Steffenville, Mo (13.2 mi from Knox City). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.