Knob Noster, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Knob Noster, a city in Johnson County, Missouri.
Today
97°F
Mostly Sunny
Mostly sunny, with a high near 97. Heat index values as high as 99. Southwest wind 10 to 14 mph, with gusts as high as 20 mph.
7-day forecast for Knob Noster
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 97°F | Mostly Sunny | 10 to 14 mph SW | 1% |
| Tonight | 70°F | Chance Showers And Thunderstorms | 2 to 9 mph WSW | 44% |
| Sunday | 86°F | Chance Showers And Thunderstorms | 2 to 6 mph NW | 50% |
| Sunday Night | 64°F | Showers And Thunderstorms | 6 mph NNE | 82% |
| Monday | 73°F | Showers And Thunderstorms | 5 to 9 mph NNE | 82% |
| Monday Night | 57°F | Mostly Cloudy | 6 to 9 mph NNE | 13% |
| Tuesday | 70°F | Partly Sunny | 9 mph NNE | 6% |
| Tuesday Night | 52°F | Partly Cloudy | 3 to 9 mph NNE | 1% |
| Wednesday | 73°F | Mostly Sunny | 6 mph NE | 0% |
| Wednesday Night | 53°F | Partly Cloudy | 1 to 5 mph ENE | 2% |
| Thursday | 76°F | Mostly Sunny | 1 to 5 mph ENE | 11% |
| Thursday Night | 58°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph ENE | 15% |
| Friday | 76°F | Slight Chance Rain Showers | 2 to 6 mph E | 23% |
| Friday Night | 59°F | Mostly Cloudy | 5 mph E | 13% |
Forecast source: National Weather Service (api.weather.gov) for Knob Noster (38.767, -93.564). Updated through the day.
Growing snapshot for Knob Noster
Last spring frost
Apr 14
First fall frost
Oct 21
Growing season
189 days
Hardiness zone
6b
More local growing data for Knob Noster: nearby ZIP 65336 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Warrensburg 4Nw, Mo (13.1 mi from Knob Noster). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.