Blue Mounds, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blue Mounds, a village in Dane County, Wisconsin.
Tonight
55°F
Light Rain Likely
Rain likely before 5am. Cloudy, with a low around 55. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Blue Mounds
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Light Rain Likely | 15 mph S | 74% |
| Wednesday | 57°F | Chance Light Rain | 15 mph SW | 36% |
| Wednesday Night | 46°F | Chance Light Rain | 15 mph SW | 36% |
| Thursday | 51°F | Chance Light Rain | 10 to 15 mph W | 53% |
| Thursday Night | 41°F | Slight Chance Light Rain then Mostly Cloudy | 10 to 15 mph N | 23% |
| Friday | 47°F | Slight Chance Light Rain then Partly Sunny | 5 to 15 mph N | 15% |
| Friday Night | 32°F | Partly Cloudy | 0 to 5 mph NW | 1% |
| Saturday | 50°F | Mostly Sunny | 0 to 5 mph W | 1% |
| Saturday Night | 36°F | Partly Cloudy | 5 mph W | 3% |
| Sunday | 56°F | Slight Chance Light Rain | 5 to 10 mph W | 17% |
| Sunday Night | 37°F | Mostly Clear | 5 mph W | 4% |
| Monday | 58°F | Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 41°F | Mostly Clear | 5 to 10 mph W | 1% |
| Tuesday | 58°F | Sunny | 5 to 10 mph W | 1% |
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 Nov 4, 2026.