Baraboo, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Baraboo, a city in Sauk County, Wisconsin.
Tonight
55°F
Showers And Thunderstorms
Rain showers likely before 7pm, then showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 55. East wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast for Baraboo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Showers And Thunderstorms | 10 to 15 mph E | 94% |
| Saturday | 70°F | Showers And Thunderstorms | 5 to 10 mph E | 81% |
| Saturday Night | 54°F | Showers And Thunderstorms | 10 mph NE | 77% |
| Sunday | 66°F | Chance Rain Showers | 15 mph NE | 31% |
| Sunday Night | 48°F | Mostly Cloudy | 10 to 15 mph NE | 13% |
| Monday | 62°F | Slight Chance Rain Showers | 10 to 15 mph NE | 23% |
| Monday Night | 45°F | Chance Rain Showers | 5 to 10 mph NE | 28% |
| Tuesday | 61°F | Chance Rain Showers then Partly Sunny | 5 to 10 mph NE | 28% |
| Tuesday Night | 43°F | Partly Cloudy | 0 to 10 mph NE | 5% |
| Wednesday | 65°F | Mostly Sunny | 0 to 5 mph NE | 4% |
| Wednesday Night | 46°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Thursday | 68°F | Mostly Sunny | 0 to 5 mph NE | 6% |
| Thursday Night | 48°F | Partly Cloudy | 0 mph | 6% |
| Friday | 70°F | Mostly Sunny | 0 to 5 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Baraboo (43.469, -89.737). Updated through the day.
Growing snapshot for Baraboo
Last spring frost
May 5
First fall frost
Oct 5
Growing season
152 days
Hardiness zone
5a
More local growing data for Baraboo: nearby ZIP 53913 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Bluffview
Ironton
La Valle
Lake Delton
Lime Ridge
Loganville
Merrimac
North Freedom
Plain
Prairie du Sac
Reedsburg
Rock Springs
Sauk City
Spring Green
West Baraboo
Climate data from the nearest NOAA station, Baraboo, Wi (2.4 mi from Baraboo). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.