Harman US

Shell Lake, WI Weather & Growing Conditions

Overnight
51°F
Chance Rain Showers
A chance of rain showers. Cloudy, with a low around 51. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 51°F Chance Rain Showers 10 mph E 41%
Saturday 62°F Chance Rain Showers then Patchy Fog 10 mph NE 33%
Saturday Night 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%

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.