Turtle Lake, WI Weather & Growing Conditions
Today
74°F
Partly Sunny then Patchy Smoke
Patchy smoke between noon and 1pm. Partly sunny, with a high near 74. West northwest wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Partly Sunny then Patchy Smoke | 5 to 10 mph WNW | 1% |
| Tonight | 52°F | Mostly Cloudy | 0 to 10 mph NW | 1% |
| Wednesday | 78°F | Sunny | 0 to 10 mph W | 0% |
| Wednesday Night | 56°F | Mostly Clear | 5 to 10 mph SW | 0% |
| Thursday | 81°F | Sunny | 5 to 15 mph SSW | 1% |
| Thursday Night | 61°F | Mostly Clear | 5 to 10 mph SSW | 3% |
| Friday | 84°F | Sunny | 5 to 10 mph SSW | 13% |
| Friday Night | 61°F | Chance Showers And Thunderstorms | 5 to 10 mph SSW | 37% |
| Saturday | 82°F | Mostly Sunny | 0 to 5 mph SSW | 14% |
| Saturday Night | 62°F | Chance Showers And Thunderstorms | 5 mph NW | 54% |
| Sunday | 81°F | Chance Showers And Thunderstorms | 5 mph WSW | 49% |
| Sunday Night | 61°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 5 mph NNE | 18% |
| Monday | 80°F | Slight Chance Showers And Thunderstorms | 5 mph NE | 22% |
| Monday Night | 60°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph NNE | 22% |
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 Aug 4, 2026.