Turtle Lake, WI Weather & Growing Conditions
Today
59°F
Slight Chance Drizzle
A slight chance of drizzle before 5pm. Cloudy, with a high near 59. East northeast wind 5 to 10 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 59°F | Slight Chance Drizzle | 5 to 10 mph ENE | 22% |
| Tonight | 50°F | Mostly Cloudy | 5 mph NE | 6% |
| Sunday | 65°F | Partly Sunny | 5 to 10 mph NE | 0% |
| Sunday Night | 43°F | Mostly Cloudy | 5 to 10 mph NE | 0% |
| Monday | 66°F | Partly Sunny | 5 mph E | 0% |
| Monday Night | 39°F | Partly Cloudy | 0 to 5 mph ENE | 1% |
| Tuesday | 66°F | Sunny | 0 to 5 mph ESE | 1% |
| Tuesday Night | 40°F | Mostly Clear | 0 to 5 mph ESE | 1% |
| Wednesday | 68°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 44°F | Mostly Clear | 0 to 5 mph SE | 2% |
| Thursday | 70°F | Mostly Sunny | 0 to 5 mph SE | 4% |
| Thursday Night | 47°F | Partly Cloudy | 0 mph | 4% |
| Friday | 72°F | Mostly Sunny | 0 to 5 mph SSE | 5% |
| Friday Night | 49°F | Partly Cloudy | 0 to 5 mph SSE | 7% |
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 (7.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.