Blue Mounds, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blue Mounds, a village in Dane County, Wisconsin.
Today
80°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Blue Mounds
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Partly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph SW | 31% |
| Tonight | 60°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph W | 76% |
| Wednesday | 73°F | Areas Of Fog then Mostly Cloudy | 5 mph NW | 46% |
| Wednesday Night | 57°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph NW | 19% |
| Thursday | 76°F | Mostly Sunny | 0 mph | 8% |
| Thursday Night | 60°F | Mostly Clear | 0 to 5 mph S | 2% |
| Friday | 79°F | Sunny | 5 to 10 mph S | 2% |
| Friday Night | 64°F | Mostly Clear | 5 mph S | 6% |
| Saturday | 81°F | Mostly Sunny | 5 to 10 mph SW | 11% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 28% |
| Sunday | 83°F | Chance Showers And Thunderstorms | 10 mph SW | 28% |
| Sunday Night | 67°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 48% |
| Monday | 81°F | Chance Rain Showers | 5 to 10 mph S | 48% |
| Monday Night | 67°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 41% |
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 Aug 4, 2026.