Rio, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rio, a village in Columbia County, Wisconsin.
This Afternoon
61°F
Slight Chance Light Rain
A chance of rain showers before 3pm, then a slight chance of rain between 3pm and 5pm, then a chance of rain showers. Cloudy. High near 61, with temperatures falling to around 52 in the afternoon. Southwest wind around 10 mph. Chance of precipitation is 20%.
7-day forecast for Rio
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 61°F | Slight Chance Light Rain | 10 mph SW | 18% |
| Tonight | 45°F | Chance Rain Showers then Chance Light Rain | 10 to 15 mph SW | 52% |
| Thursday | 51°F | Light Rain Likely | 10 to 15 mph W | 58% |
| Thursday Night | 34°F | Mostly Cloudy | 10 to 15 mph N | 4% |
| Friday | 47°F | Mostly Sunny | 5 to 15 mph N | 0% |
| Friday Night | 25°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Saturday | 51°F | Sunny | 0 to 5 mph W | 0% |
| Saturday Night | 32°F | Mostly Clear | 5 mph W | 0% |
| Sunday | 57°F | Sunny | 5 to 10 mph W | 0% |
| Sunday Night | 33°F | Clear | 0 to 5 mph W | 0% |
| Monday | 61°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 5 to 10 mph W | 0% |
| Tuesday | 60°F | Sunny | 5 mph NW | 0% |
| Tuesday Night | 36°F | Partly Cloudy | 0 to 5 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Rio (43.452, -89.242). Updated through the day.
Growing snapshot for Rio
Last spring frost
May 4
First fall frost
Oct 6
Growing season
154 days
Hardiness zone
5a
More local growing data for Rio: nearby ZIP 53960 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Arlington
Cambria
Columbus
Dekorra
Doylestown
Fall River
Friesland
Lake Wisconsin
Lodi
Pardeeville
Portage
Poynette
Randolph
Wyocena
Climate data from the nearest NOAA station, Arlington, Wi (10.1 mi from Rio). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.