Columbus, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Columbus, a city in Columbia County, Wisconsin.
Today
83°F
Partly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 2pm and 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. Southwest wind around 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Columbus
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 10 mph SW | 39% |
| Tonight | 62°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph W | 83% |
| Wednesday | 76°F | Patchy Fog then Mostly Cloudy | 5 mph W | 41% |
| Wednesday Night | 57°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 17% |
| Thursday | 79°F | Mostly Sunny | 0 to 5 mph W | 9% |
| Thursday Night | 57°F | Mostly Clear | 0 mph | 7% |
| Friday | 82°F | Sunny | 0 to 10 mph SW | 1% |
| Friday Night | 61°F | Mostly Clear | 5 mph SW | 5% |
| Saturday | 84°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 | 83°F | Chance Rain Showers | 5 to 10 mph S | 48% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 5 mph N | 41% |
Forecast source: National Weather Service (api.weather.gov) for Columbus (43.337, -89.030). Updated through the day.
Growing snapshot for Columbus
Last spring frost
Apr 30
First fall frost
Oct 9
Growing season
163 days
Hardiness zone
5a
More local growing data for Columbus: nearby ZIP 53925 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Arlington
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Dekorra
Doylestown
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Lake Wisconsin
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Pardeeville
Portage
Poynette
Randolph
Rio
Wyocena
Climate data from the nearest NOAA station, Waterloo Wwtp, Wi (10.2 mi from Columbus). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.