Sauk City, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sauk City, a village in Sauk County, Wisconsin.
Overnight
56°F
Slight Chance Light Rain
A slight chance of rain. Cloudy, with a low around 56. South wind around 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Sauk City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Slight Chance Light Rain | 10 mph S | 23% |
| Wednesday | 59°F | Slight Chance Light Rain | 10 to 15 mph SW | 24% |
| Wednesday Night | 45°F | Light Rain Likely | 10 to 15 mph SW | 58% |
| Thursday | 53°F | Light Rain Likely | 10 mph W | 58% |
| Thursday Night | 37°F | Mostly Cloudy | 5 to 10 mph N | 9% |
| Friday | 48°F | Partly Sunny | 5 to 10 mph N | 2% |
| Friday Night | 29°F | Mostly Clear | 0 mph | 0% |
| Saturday | 50°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 32°F | Mostly Clear | 0 to 5 mph W | 2% |
| Sunday | 56°F | Sunny | 5 to 10 mph W | 5% |
| Sunday Night | 34°F | Mostly Clear | 0 to 5 mph W | 1% |
| Monday | 61°F | Mostly Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 38°F | Mostly Clear | 0 to 5 mph W | 0% |
| Tuesday | 61°F | Sunny | 0 to 5 mph NW | 0% |
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 Nov 4, 2026.