Shell Lake, WI Weather & Growing Conditions
Overnight
47°F
Partly Cloudy
Partly cloudy, with a low around 47. Northeast wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 47°F | Partly Cloudy | 0 to 5 mph NE | 0% |
| Sunday | 67°F | Partly Sunny | 5 to 15 mph NE | 0% |
| Sunday Night | 41°F | Mostly Cloudy | 5 to 15 mph NE | 2% |
| Monday | 65°F | Mostly Cloudy | 5 mph NE | 1% |
| Monday Night | 36°F | Partly Cloudy then Patchy Frost | 0 to 5 mph E | 1% |
| Tuesday | 67°F | Patchy Frost then Sunny | 0 to 5 mph E | 1% |
| Tuesday Night | 39°F | Mostly Clear | 0 to 5 mph E | 0% |
| Wednesday | 69°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 44°F | Mostly Clear | 0 to 5 mph SE | 3% |
| Thursday | 70°F | Slight Chance Rain Showers | 0 to 5 mph SE | 18% |
| Thursday Night | 47°F | Slight Chance Rain Showers then Mostly Cloudy | 0 to 5 mph SE | 18% |
| Friday | 74°F | Partly Sunny | 0 to 5 mph SE | 5% |
| Friday Night | 50°F | Partly Cloudy | 0 to 5 mph SE | 5% |
| Saturday | 74°F | Mostly Sunny then Slight Chance Rain Showers | 0 to 10 mph S | 16% |
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 Sep 20, 2026.