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Turtle Lake, WI Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Turtle Lake, a community in Walworth County, Wisconsin.

Today
71°F
Showers And Thunderstorms
Showers and thunderstorms likely before 10am, then a chance of showers and thunderstorms between 10am and noon, then showers and thunderstorms. Cloudy, with a high near 71. Southeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

7-day forecast for Turtle Lake

WhenTempForecastWindPrecip
Today 71°F Showers And Thunderstorms 5 to 10 mph SE 77%
Tonight 60°F Showers And Thunderstorms 5 to 10 mph E 87%
Sunday 65°F Rain Showers Likely 10 to 15 mph NE 69%
Sunday Night 52°F Mostly Cloudy 10 to 15 mph NE 9%
Monday 62°F Slight Chance Rain Showers 10 to 15 mph NE 15%
Monday Night 48°F Mostly Cloudy 5 to 15 mph NE 11%
Tuesday 60°F Partly Sunny 5 to 15 mph NE 11%
Tuesday Night 47°F Partly Cloudy 5 to 10 mph NE 5%
Wednesday 63°F Mostly Sunny 5 to 10 mph NE 3%
Wednesday Night 49°F Partly Cloudy 0 to 5 mph NE 1%
Thursday 66°F Mostly Sunny 0 to 10 mph NE 3%
Thursday Night 49°F Partly Cloudy 0 to 5 mph NE 3%
Friday 69°F Mostly Sunny 0 to 5 mph NE 2%
Friday Night 49°F Partly Cloudy 0 to 5 mph NE 2%

Forecast source: National Weather Service (api.weather.gov) for Turtle Lake (42.732, -88.678). Updated through the day.

Growing snapshot for Turtle Lake

Last spring frost
Apr 28
First fall frost
Oct 14
Growing season
168 days
Hardiness zone
5b

More local growing data for Turtle Lake: nearby ZIP 53115 weather · frost dates · planting calendar · Wisconsin frost dates

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Climate data from the nearest NOAA station, Delavan Wwtp, Wi (1.4 mi from Turtle Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.