Koshkonong, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Koshkonong, a town in Oregon County, Missouri.
Today
90°F
Sunny
Sunny, with a high near 90. Southeast wind around 3 mph.
7-day forecast for Koshkonong
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Sunny | 3 mph SE | 0% |
| Tonight | 67°F | Mostly Clear | 3 mph SE | 0% |
| Wednesday | 92°F | Sunny | 1 to 6 mph S | 2% |
| Wednesday Night | 70°F | Partly Cloudy | 6 mph SE | 13% |
| Thursday | 92°F | Chance Showers And Thunderstorms | 6 mph S | 33% |
| Thursday Night | 71°F | Chance Showers And Thunderstorms | 5 mph S | 47% |
| Friday | 89°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph S | 66% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 3 mph S | 42% |
| Saturday | 90°F | Chance Showers And Thunderstorms | 1 to 5 mph S | 28% |
| Saturday Night | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph S | 17% |
| Sunday | 92°F | Sunny | 2 to 7 mph S | 4% |
| Sunday Night | 71°F | Mostly Clear | 6 mph S | 2% |
| Monday | 93°F | Sunny | 3 to 8 mph S | 4% |
| Monday Night | 72°F | Mostly Clear | 3 to 8 mph S | 4% |
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 Aug 4, 2026.