Koshkonong, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Koshkonong, a town in Oregon County, Missouri.
This Afternoon
69°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. High near 69, with temperatures falling to around 64 in the afternoon. South wind 13 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for Koshkonong
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Showers And Thunderstorms | 13 to 16 mph S | 99% |
| Tonight | 47°F | Chance Showers And Thunderstorms then Mostly Cloudy | 6 to 10 mph SW | 48% |
| Wednesday | 63°F | Mostly Sunny | 5 to 12 mph W | 3% |
| Wednesday Night | 37°F | Mostly Clear | 3 mph W | 0% |
| Thursday | 69°F | Sunny | 1 to 6 mph W | 1% |
| Thursday Night | 40°F | Mostly Cloudy | 5 mph NW | 10% |
| Friday | 61°F | Mostly Sunny | 6 to 9 mph N | 0% |
| Friday Night | 36°F | Partly Cloudy | 6 mph N | 0% |
| Saturday | 59°F | Mostly Sunny | 5 mph N | 0% |
| Saturday Night | 33°F | Partly Cloudy | 3 mph NW | 2% |
| Sunday | 63°F | Sunny | 3 to 7 mph NW | 6% |
| Sunday Night | 32°F | Mostly Clear | 3 mph NW | 1% |
| Monday | 66°F | Sunny | 2 to 6 mph W | 1% |
| Monday Night | 35°F | Mostly Clear | 3 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Koshkonong (36.597, -91.646). Updated through the day.
Growing snapshot for Koshkonong
Last spring frost
Apr 12
First fall frost
Oct 24
Growing season
194 days
Hardiness zone
7a
More local growing data for Koshkonong: nearby ZIP 65692 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mammoth Spring, Ar (10.8 mi from Koshkonong). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.