Sauk City, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sauk City, a village in Sauk County, Wisconsin.
This Afternoon
68°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 68. East wind around 10 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Sauk City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Chance Rain Showers | 10 mph E | 46% |
| Tonight | 57°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 10 to 15 mph E | 97% |
| Saturday | 72°F | Showers And Thunderstorms | 5 to 10 mph E | 84% |
| Saturday Night | 55°F | Showers And Thunderstorms | 10 mph NE | 78% |
| Sunday | 67°F | Chance Rain Showers | 10 to 15 mph NE | 33% |
| Sunday Night | 49°F | Slight Chance Rain Showers then Mostly Cloudy | 10 mph NE | 17% |
| Monday | 63°F | Chance Rain Showers | 10 to 15 mph NE | 32% |
| Monday Night | 46°F | Chance Rain Showers | 5 to 10 mph NE | 32% |
| Tuesday | 62°F | Chance Rain Showers then Partly Sunny | 5 to 10 mph NE | 30% |
| Tuesday Night | 44°F | Partly Cloudy | 0 to 5 mph NE | 6% |
| Wednesday | 66°F | Mostly Sunny | 0 to 5 mph NE | 5% |
| Wednesday Night | 46°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Thursday | 69°F | Mostly Sunny | 0 to 5 mph NE | 7% |
| Thursday Night | 48°F | Partly Cloudy | 0 mph | 7% |
Forecast source: National Weather Service (api.weather.gov) for Sauk City (43.273, -89.732). Updated through the day.
Growing snapshot for Sauk City
Last spring frost
May 4
First fall frost
Oct 6
Growing season
155 days
Hardiness zone
5a
More local growing data for Sauk City: nearby ZIP 53578 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Baraboo
Bluffview
Ironton
La Valle
Lake Delton
Lime Ridge
Loganville
Merrimac
North Freedom
Plain
Prairie du Sac
Reedsburg
Rock Springs
Spring Green
West Baraboo
Climate data from the nearest NOAA station, Sauk City Wwtp, Wi (3.8 mi from Sauk City). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.