Washburn, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Washburn, a city in Bayfield County, Wisconsin.
This Afternoon
55°F
Light Rain
Rain and areas of fog. Cloudy. High near 55, with temperatures falling to around 53 in the afternoon. Northeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Washburn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 55°F | Light Rain | 5 mph NE | 79% |
| Tonight | 39°F | Light Rain | 5 to 15 mph N | 89% |
| Thursday | 43°F | Light Rain Likely then Cloudy | 15 mph N | 57% |
| Thursday Night | 32°F | Cloudy | 5 to 10 mph N | 8% |
| Friday | 42°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Friday Night | 26°F | Mostly Clear | 0 to 5 mph W | 0% |
| Saturday | 46°F | Mostly Sunny | 5 to 10 mph SW | 0% |
| Saturday Night | 36°F | Partly Cloudy | 5 to 10 mph SW | 2% |
| Sunday | 50°F | Sunny | 5 to 10 mph W | 2% |
| Sunday Night | 36°F | Partly Cloudy | 5 mph SW | 0% |
| Monday | 56°F | Mostly Sunny | 5 to 15 mph SW | 0% |
| Monday Night | 38°F | Partly Cloudy | 5 to 10 mph W | 1% |
| Tuesday | 50°F | Mostly Sunny | 5 to 10 mph W | 2% |
| Tuesday Night | 35°F | Partly Cloudy | 0 to 5 mph W | 2% |
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 Nov 4, 2026.