Turtle Lake, WI Weather & Growing Conditions
Today
57°F
Light Rain
A chance of rain before 10am, then rain and patchy fog. Mostly cloudy. High near 57, with temperatures falling to around 54 in the afternoon. South southeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 57°F | Light Rain | 5 mph SSE | 81% |
| Tonight | 41°F | Drizzle | 5 to 15 mph NNW | 91% |
| Thursday | 46°F | Chance Drizzle then Mostly Cloudy | 10 to 15 mph N | 26% |
| Thursday Night | 29°F | Mostly Cloudy | 5 to 10 mph NNE | 1% |
| Friday | 43°F | Mostly Sunny | 0 to 5 mph NNE | 0% |
| Friday Night | 25°F | Mostly Clear | 0 mph | 0% |
| Saturday | 45°F | Sunny | 0 to 5 mph WSW | 2% |
| Saturday Night | 31°F | Partly Cloudy | 5 mph WSW | 8% |
| Sunday | 51°F | Sunny | 5 to 10 mph W | 6% |
| Sunday Night | 32°F | Partly Cloudy | 0 to 5 mph SW | 0% |
| Monday | 54°F | Mostly Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 35°F | Partly Cloudy | 5 mph WNW | 1% |
| Tuesday | 52°F | Sunny | 5 mph WNW | 2% |
| Tuesday Night | 34°F | Mostly Cloudy | 0 mph | 2% |
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 Nov 4, 2026.