Shell Lake, WI Weather & Growing Conditions
Today
62°F
Patchy Fog
Patchy fog and a slight chance of rain showers before 2pm. Cloudy, with a high near 62. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 62°F | Patchy Fog | 5 to 10 mph NE | 18% |
| Tonight | 48°F | Patchy Fog | 5 mph NE | 7% |
| Sunday | 64°F | Mostly Cloudy | 5 to 15 mph NE | 0% |
| Sunday Night | 42°F | Mostly Cloudy | 5 to 10 mph NE | 0% |
| Monday | 64°F | Partly Sunny | 5 mph E | 0% |
| Monday Night | 39°F | Partly Cloudy | 5 mph E | 2% |
| Tuesday | 67°F | Sunny | 0 to 5 mph E | 2% |
| Tuesday Night | 39°F | Mostly Clear | 0 to 5 mph SE | 1% |
| Wednesday | 69°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 42°F | Mostly Clear | 0 to 5 mph SE | 2% |
| Thursday | 70°F | Mostly Sunny | 0 to 5 mph SE | 4% |
| Thursday Night | 45°F | Partly Cloudy | 0 to 5 mph SE | 3% |
| Friday | 73°F | Mostly Sunny | 0 to 5 mph SE | 4% |
| Friday Night | 48°F | Partly Cloudy | 0 to 5 mph SE | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Shell Lake, WI
Last spring frost
May 14
First fall frost
Sep 28
Growing season
135 days
Hardiness zone
4a
Explore more for Shell Lake, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Spooner Ag Res Stn, Wi (7.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.