Washburn, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Washburn, a city in Bayfield County, Wisconsin.
Overnight
50°F
Light Rain
Rain and areas of fog. Cloudy, with a low around 50. Northeast wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Washburn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Light Rain | 5 to 10 mph NE | 85% |
| Wednesday | 55°F | Light Rain | 5 mph NE | 85% |
| Wednesday Night | 41°F | Light Rain | 5 to 15 mph N | 91% |
| Thursday | 44°F | Light Rain then Cloudy | 15 mph N | 78% |
| Thursday Night | 32°F | Cloudy | 5 to 10 mph NE | 7% |
| Friday | 41°F | Partly Sunny | 0 to 5 mph NE | 1% |
| Friday Night | 27°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 45°F | Mostly Sunny | 0 to 10 mph SW | 1% |
| Saturday Night | 35°F | Partly Cloudy | 5 to 10 mph W | 10% |
| Sunday | 48°F | Mostly Sunny | 5 to 10 mph W | 10% |
| Sunday Night | 35°F | Partly Cloudy | 5 mph SW | 2% |
| Monday | 53°F | Partly Sunny | 5 to 15 mph SW | 1% |
| Monday Night | 37°F | Partly Cloudy | 5 to 10 mph W | 2% |
| Tuesday | 48°F | Mostly Sunny | 5 to 10 mph W | 7% |
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.