Rio, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rio, a village in Columbia County, Wisconsin.
Tonight
57°F
Showers And Thunderstorms
Rain showers before 10pm, then showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 57. East wind 10 to 15 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast for Rio
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Showers And Thunderstorms | 10 to 15 mph E | 96% |
| Saturday | 70°F | Showers And Thunderstorms | 10 to 15 mph E | 91% |
| Saturday Night | 56°F | Showers And Thunderstorms | 10 mph NE | 77% |
| Sunday | 67°F | Chance Rain Showers | 10 to 15 mph NE | 29% |
| Sunday Night | 50°F | Mostly Cloudy | 10 to 15 mph NE | 14% |
| Monday | 62°F | Mostly Cloudy | 10 to 15 mph NE | 14% |
| Monday Night | 47°F | Mostly Cloudy then Slight Chance Rain Showers | 10 mph NE | 15% |
| Tuesday | 61°F | Slight Chance Rain Showers then Partly Sunny | 10 to 15 mph NE | 15% |
| Tuesday Night | 45°F | Partly Cloudy | 5 to 10 mph NE | 6% |
| Wednesday | 65°F | Mostly Sunny | 5 to 10 mph NE | 4% |
| Wednesday Night | 47°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Thursday | 68°F | Mostly Sunny | 0 to 5 mph NE | 3% |
| Thursday Night | 49°F | Partly Cloudy | 0 to 5 mph NE | 5% |
| Friday | 70°F | Mostly Sunny | 0 to 5 mph N | 3% |
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 Sep 19, 2026.