Blue Mounds, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blue Mounds, a village in Dane County, Wisconsin.
Overnight
59°F
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 59. East wind around 15 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast for Blue Mounds
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 59°F | Showers And Thunderstorms | 15 mph E | 100% |
| Saturday | 69°F | Showers And Thunderstorms | 5 to 10 mph SE | 100% |
| Saturday Night | 57°F | Showers And Thunderstorms | 5 to 15 mph NE | 82% |
| Sunday | 63°F | Scattered Rain Showers | 15 mph NE | 29% |
| Sunday Night | 53°F | Mostly Cloudy | 15 mph NE | 11% |
| Monday | 61°F | Slight Chance Rain Showers | 15 mph NE | 16% |
| Monday Night | 48°F | Mostly Cloudy | 10 mph NE | 12% |
| Tuesday | 60°F | Partly Sunny | 10 to 15 mph NE | 10% |
| Tuesday Night | 46°F | Partly Cloudy | 5 to 10 mph NE | 4% |
| Wednesday | 63°F | Mostly Sunny | 5 to 10 mph NE | 2% |
| Wednesday Night | 49°F | Partly Cloudy | 5 mph NE | 1% |
| Thursday | 65°F | Mostly Sunny | 5 mph NE | 3% |
| Thursday Night | 51°F | Partly Cloudy | 0 to 5 mph NE | 2% |
| Friday | 69°F | Mostly Sunny | 5 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Blue Mounds (43.018, -89.827). Updated through the day.
Growing snapshot for Blue Mounds
Last spring frost
May 7
First fall frost
Oct 1
Growing season
148 days
Hardiness zone
5a
More local growing data for Blue Mounds: nearby ZIP 53517 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Belleville
Black Earth
Cambridge
Cottage Grove
Cross Plains
Dane
Deerfield
DeForest
Fitchburg
Lake Ripley
Madison
Maple Bluff
Marshall
Mazomanie
McFarland
Middleton
Monona
Mount Horeb
Oregon
Rockdale
Shorewood Hills
Stoughton
Sun Prairie
Verona
Waunakee
Windsor
Climate data from the nearest NOAA station, Mazomanie Wwtp, Wi (7.9 mi from Blue Mounds). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.