Harman US

Columbus, WI Weather & Growing Conditions

This Afternoon
70°F
Light Rain
Rain. Cloudy, with a high near 70. South wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 70°F Light Rain 15 mph S 76%
Tonight 56°F Light Rain 15 mph S 93%
Wednesday 61°F Light Rain 10 to 15 mph S 84%
Wednesday Night 46°F Light Rain Likely 10 to 15 mph SW 72%
Thursday 54°F Light Rain 5 to 10 mph W 86%
Thursday Night 37°F Chance Light Rain 10 to 15 mph N 36%
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 60°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). 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 Nov 3, 2026.