Brodhead, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brodhead, a city in Rock County, Wisconsin.
Today
83°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 83. Southwest wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Brodhead
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 18% |
| Tonight | 63°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph W | 90% |
| Wednesday | 75°F | Patchy Fog | 5 mph W | 74% |
| Wednesday Night | 57°F | Chance Showers And Thunderstorms | 0 to 5 mph NW | 43% |
| Thursday | 78°F | Slight Chance Rain Showers then Mostly Sunny | 0 to 5 mph NE | 23% |
| Thursday Night | 57°F | Mostly Clear | 0 mph | 5% |
| Friday | 81°F | Mostly Sunny | 0 to 5 mph S | 4% |
| Friday Night | 61°F | Mostly Clear | 5 mph S | 5% |
| Saturday | 83°F | Mostly Sunny | 5 to 10 mph SW | 12% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 26% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 5 to 15 mph SW | 26% |
| Sunday Night | 66°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph SW | 44% |
| Monday | 83°F | Chance Rain Showers | 5 to 10 mph S | 44% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 5 to 10 mph NW | 42% |
Forecast source: National Weather Service (api.weather.gov) for Brodhead (42.617, -89.376). Updated through the day.
Growing snapshot for Brodhead
Last spring frost
Apr 29
First fall frost
Oct 12
Growing season
165 days
Hardiness zone
5a
More local growing data for Brodhead: nearby ZIP 53520 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Clinton
Edgerton
Evansville
Footville
Fulton
Hanover
Janesville
Lake Koshkonong
Milton
Orfordville
Shopiere
Climate data from the nearest NOAA station, Brodhead Wwtp, Wi (1.8 mi from Brodhead). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.