Rio, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rio, a village in Columbia County, Wisconsin.
Today
82°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. 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 Rio
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Partly Sunny then Chance Showers And Thunderstorms | 10 mph SW | 38% |
| Tonight | 61°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 10 mph W | 75% |
| Wednesday | 76°F | Patchy Fog then Mostly Cloudy | 5 mph W | 37% |
| Wednesday Night | 56°F | Partly Cloudy | 0 mph | 6% |
| Thursday | 78°F | Mostly Sunny | 0 to 5 mph W | 6% |
| Thursday Night | 57°F | Mostly Clear | 0 mph | 3% |
| Friday | 81°F | Sunny | 0 to 10 mph SW | 2% |
| Friday Night | 62°F | Mostly Clear | 5 mph SW | 6% |
| 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 | 84°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 32% |
| Sunday Night | 64°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 52% |
| Monday | 82°F | Chance Rain Showers | 5 mph S | 48% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 5 mph NE | 40% |
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 Aug 4, 2026.