Washburn, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Washburn, a city in Bayfield County, Wisconsin.
Today
76°F
Chance Showers And Thunderstorms then Mostly Sunny
A chance of showers and thunderstorms before 7am. Mostly sunny. High near 76, with temperatures falling to around 74 in the afternoon. West wind around 10 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Washburn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Chance Showers And Thunderstorms then Mostly Sunny | 10 mph W | 47% |
| Tonight | 56°F | Partly Cloudy | 0 to 5 mph W | 0% |
| Wednesday | 78°F | Sunny | 0 to 5 mph SW | 0% |
| Wednesday Night | 61°F | Partly Cloudy | 0 to 5 mph S | 0% |
| Thursday | 85°F | Sunny | 5 to 15 mph SW | 9% |
| Thursday Night | 67°F | Mostly Clear | 5 to 10 mph SW | 4% |
| Friday | 86°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 18% |
| Friday Night | 63°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 5 mph SW | 37% |
| Saturday | 80°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 5 mph NW | 24% |
| Saturday Night | 62°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 5 mph NW | 43% |
| Sunday | 79°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 31% |
| Sunday Night | 61°F | Chance Showers And Thunderstorms | 0 to 5 mph NW | 27% |
| Monday | 77°F | Slight Chance Rain Showers | 0 to 5 mph N | 18% |
| Monday Night | 60°F | Slight Chance Rain Showers | 0 to 5 mph N | 18% |
Forecast source: National Weather Service (api.weather.gov) for Washburn (46.677, -90.901). Updated through the day.
Growing snapshot for Washburn
Last spring frost
May 23
First fall frost
Oct 2
Growing season
131 days
Hardiness zone
4b
More local growing data for Washburn: nearby ZIP 54891 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Bayfield Fish Hatchery, Wi (8 mi from Washburn). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.