Prairie du Sac, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Prairie du Sac, a village in Sauk County, Wisconsin.
Overnight
56°F
Cloudy
Cloudy, with a low around 56. South wind around 10 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Prairie du Sac
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Cloudy | 10 mph S | 11% |
| Wednesday | 60°F | Cloudy then Isolated Rain Showers | 10 to 15 mph SW | 14% |
| Wednesday Night | 45°F | Rain Showers Likely | 10 mph SW | 58% |
| Thursday | 53°F | Rain Showers Likely then Slight Chance Light Rain | 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 | 39°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 Prairie du Sac (43.294, -89.735). Updated through the day.
Growing snapshot for Prairie du Sac
Last spring frost
May 4
First fall frost
Oct 6
Growing season
155 days
Hardiness zone
5a
More local growing data for Prairie du Sac: 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
Reedsburg
Rock Springs
Sauk City
Spring Green
West Baraboo
Climate data from the nearest NOAA station, Sauk City Wwtp, Wi (3.8 mi from Prairie du Sac). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.