Columbus, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Columbus, a city in Columbia County, Wisconsin.
This Afternoon
70°F
Light Rain
Rain. Cloudy, with a high near 70. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Columbus
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Light Rain | 15 to 20 mph S | 89% |
| Tonight | 56°F | Light Rain | 10 to 15 mph S | 94% |
| Wednesday | 61°F | Light Rain | 10 to 15 mph S | 85% |
| Wednesday Night | 45°F | Light Rain Likely | 10 to 15 mph SW | 73% |
| Thursday | 54°F | Light Rain | 5 to 10 mph W | 87% |
| Thursday Night | 37°F | Chance Light Rain | 10 mph N | 37% |
| Friday | 48°F | Slight Chance Light Rain then Partly Sunny | 5 to 15 mph N | 19% |
| Friday Night | 30°F | Partly Cloudy | 0 to 5 mph N | 3% |
| Saturday | 51°F | Mostly Sunny | 0 to 5 mph W | 1% |
| Saturday Night | 32°F | Partly Cloudy | 0 to 5 mph W | 8% |
| Sunday | 57°F | Slight Chance Light Rain | 5 to 10 mph W | 16% |
| Sunday Night | 34°F | Mostly Clear | 5 mph W | 6% |
| Monday | 59°F | Mostly Sunny | 5 to 15 mph SW | 1% |
| Monday Night | 38°F | Mostly Clear | 5 to 10 mph W | 1% |
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
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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 Nov 3, 2026.