Harman US

Turtle Lake, WI Weather & Growing Conditions

This Afternoon
64°F
Slight Chance Drizzle
A slight chance of drizzle before 4pm. Cloudy, with a high near 64. East northeast wind 5 to 10 mph. Chance of precipitation is 20%.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 64°F Slight Chance Drizzle 5 to 10 mph ENE 22%
Tonight 49°F Mostly Cloudy 5 mph NE 11%
Sunday 69°F Partly Sunny 5 to 15 mph NE 0%
Sunday Night 45°F Cloudy 5 to 10 mph NE 0%
Monday 65°F Mostly Cloudy 5 mph ENE 2%
Monday Night 41°F Partly Cloudy 0 to 5 mph ENE 2%
Tuesday 66°F Sunny 5 mph E 0%
Tuesday Night 41°F Mostly Clear 0 to 5 mph ESE 0%
Wednesday 69°F Sunny 0 to 5 mph ESE 0%
Wednesday Night 46°F Partly Cloudy 0 to 5 mph SE 4%
Thursday 69°F Partly Sunny 0 to 5 mph SE 12%
Thursday Night 51°F Mostly Cloudy 0 mph 12%
Friday 73°F Partly Sunny 0 to 5 mph SE 6%
Friday Night 53°F Partly Cloudy 0 mph 4%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Turtle Lake, WI

Last spring frost
May 5
First fall frost
Oct 4
Growing season
152 days
Hardiness zone
4b

Explore more for Turtle Lake, WI: full frost dates · planting calendar · Wisconsin frost dates

Climate data from the nearest NOAA station, Cumberland, Wi (10.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.