Columbus, WI Weather & Growing Conditions
Today
83°F
Partly Sunny
Partly sunny, with a high near 83. Southwest wind around 10 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Partly Sunny | 10 mph SW | 13% |
| Tonight | 62°F | Chance Showers And Thunderstorms | 5 mph NW | 80% |
| Wednesday | 76°F | Showers And Thunderstorms Likely then Mostly Cloudy | 0 to 5 mph NW | 69% |
| Wednesday Night | 55°F | Mostly Cloudy | 0 to 5 mph W | 14% |
| Thursday | 79°F | Mostly Sunny | 0 to 5 mph S | 7% |
| Thursday Night | 57°F | Mostly Clear | 0 mph | 7% |
| Friday | 81°F | Sunny | 0 to 10 mph SW | 1% |
| Friday Night | 62°F | Mostly Clear | 5 mph SW | 5% |
| Saturday | 83°F | Mostly Sunny | 5 to 10 mph SW | 13% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 32% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 32% |
| Sunday Night | 64°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph SW | 50% |
| Monday | 82°F | Chance Rain Showers | 5 to 10 mph S | 48% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 5 mph N | 42% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Columbus, WI
Last spring frost
Apr 30
First fall frost
Oct 9
Growing season
163 days
Hardiness zone
5a
Explore more for Columbus, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Waterloo Wwtp, Wi (10.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.