Shell Lake, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Shell Lake, a city in Washburn County, Wisconsin.
This Afternoon
63°F
Light Rain
Rain and patchy fog. Cloudy. High near 63, with temperatures falling to around 59 in the afternoon. North wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Shell Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 63°F | Light Rain | 5 mph N | 79% |
| Tonight | 53°F | Rain | 5 to 10 mph NE | 79% |
| Wednesday | 57°F | Rain Likely | 5 to 10 mph NE | 68% |
| Wednesday Night | 43°F | Light Rain | 5 to 15 mph N | 84% |
| Thursday | 47°F | Light Rain Likely then Mostly Cloudy | 15 mph N | 58% |
| Thursday Night | 32°F | Mostly Cloudy | 5 to 15 mph NE | 2% |
| Friday | 44°F | Mostly Sunny | 5 to 10 mph NE | 0% |
| Friday Night | 26°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 49°F | Mostly Sunny | 0 to 10 mph SW | 0% |
| Saturday Night | 32°F | Partly Cloudy | 5 mph W | 13% |
| Sunday | 53°F | Mostly Sunny | 5 to 10 mph W | 14% |
| Sunday Night | 32°F | Partly Cloudy | 5 mph SW | 3% |
| Monday | 55°F | Mostly Sunny | 5 to 15 mph SW | 1% |
| Monday Night | 35°F | Mostly Clear | 5 to 10 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Shell Lake (45.726, -91.910). Updated through the day.
Growing snapshot for Shell Lake
Last spring frost
May 14
First fall frost
Sep 28
Growing season
135 days
Hardiness zone
4a
More local growing data for Shell Lake: nearby ZIP 54871 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Spooner Ag Res Stn, Wi (7.9 mi from Shell Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.