Harman US

Koshkonong, MO Weather & Growing Conditions

Tonight
70°F
Clear
Clear, with a low around 70. Southwest wind around 2 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 70°F Clear 2 mph SW 2%
Saturday 98°F Sunny 2 to 8 mph SW 1%
Saturday Night 69°F Mostly Clear 6 mph SW 0%
Sunday 97°F Mostly Sunny 2 to 7 mph W 0%
Sunday Night 68°F Mostly Cloudy 5 mph N 13%
Monday 90°F Partly Sunny then Chance Showers And Thunderstorms 2 to 7 mph N 53%
Monday Night 61°F Chance Showers And Thunderstorms 7 mph N 53%
Tuesday 82°F Mostly Sunny 9 mph N 12%
Tuesday Night 55°F Partly Cloudy 6 to 10 mph N 7%
Wednesday 80°F Sunny 7 mph N 1%
Wednesday Night 54°F Mostly Clear 6 mph NE 0%
Thursday 81°F Sunny 6 mph NE 3%
Thursday Night 55°F Partly Cloudy 5 mph NE 4%
Friday 81°F Mostly Sunny 7 mph NE 7%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Koshkonong, MO

Last spring frost
Apr 12
First fall frost
Oct 24
Growing season
194 days
Hardiness zone
7a

Explore more for Koshkonong, MO: full frost dates · planting calendar · Missouri frost dates

Climate data from the nearest NOAA station, Mammoth Spring, Ar (10.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.