Shell Lake, WI Weather & Growing Conditions
Today
76°F
Mostly Sunny
Mostly sunny, with a high near 76. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Mostly Sunny | 5 to 10 mph NW | 9% |
| Tonight | 50°F | Partly Cloudy | 0 to 10 mph W | 1% |
| Wednesday | 78°F | Sunny | 0 to 10 mph SW | 0% |
| Wednesday Night | 55°F | Mostly Clear | 5 mph SW | 0% |
| Thursday | 84°F | Sunny | 5 to 15 mph SW | 3% |
| Thursday Night | 61°F | Mostly Clear | 10 to 15 mph SW | 6% |
| Friday | 86°F | Sunny | 5 to 10 mph SW | 14% |
| Friday Night | 60°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 30% |
| Saturday | 84°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 15% |
| Saturday Night | 60°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 51% |
| Sunday | 82°F | Chance Showers And Thunderstorms | 0 to 10 mph SW | 44% |
| Sunday Night | 59°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 16% |
| Monday | 81°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 19% |
| Monday Night | 58°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 20% |
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 (13 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.