Turtle Lake, WI Weather & Growing Conditions
Overnight
52°F
Rain Showers Likely
Rain showers likely and patchy fog before 1am, then a chance of drizzle between 1am and 5am, then a chance of rain showers. Cloudy. Low around 52, with temperatures rising to around 56 overnight. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Rain Showers Likely | 15 mph E | 42% |
| Saturday | 64°F | Chance Rain Showers then Cloudy | 10 mph ENE | 31% |
| Saturday Night | 50°F | Mostly Cloudy | 5 mph NE | 5% |
| Sunday | 70°F | Partly Sunny | 10 mph NE | 0% |
| Sunday Night | 44°F | Mostly Cloudy | 5 to 10 mph NE | 1% |
| Monday | 65°F | Mostly Cloudy | 5 mph E | 2% |
| Monday Night | 41°F | Mostly Cloudy | 0 to 5 mph ENE | 2% |
| Tuesday | 66°F | Mostly Sunny | 5 mph E | 2% |
| Tuesday Night | 42°F | Mostly Clear | 0 to 5 mph ESE | 0% |
| Wednesday | 68°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 46°F | Partly Cloudy | 0 mph | 7% |
| Thursday | 70°F | Mostly Sunny | 0 to 5 mph S | 10% |
| Thursday Night | 49°F | Partly Cloudy | 0 mph | 10% |
| Friday | 72°F | Mostly Sunny | 0 to 5 mph SE | 5% |
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.