Turtle Lake, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Turtle Lake, a community in Walworth County, Wisconsin.
Overnight
57°F
Light Rain Likely
Rain likely. Cloudy, with a low around 57. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Turtle Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Light Rain Likely | 15 mph S | 74% |
| Wednesday | 61°F | Chance Light Rain | 15 mph SW | 28% |
| Wednesday Night | 44°F | Cloudy then Slight Chance Light Rain | 15 mph SW | 16% |
| Thursday | 54°F | Chance Light Rain | 10 to 15 mph W | 52% |
| Thursday Night | 37°F | Chance Light Rain then Mostly Cloudy | 10 mph N | 38% |
| Friday | 47°F | Partly Sunny | 5 to 15 mph N | 6% |
| Friday Night | 30°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 50°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 32°F | Mostly Clear | 0 to 5 mph W | 1% |
| Sunday | 55°F | Sunny | 5 to 10 mph W | 6% |
| Sunday Night | 34°F | Mostly Clear | 0 to 5 mph W | 0% |
| Monday | 59°F | Mostly Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 5 to 10 mph W | 0% |
| Tuesday | 60°F | Sunny | 5 mph NW | 1% |
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
Nearby towns & communities
Allens Grove
Big Foot Prairie
Bloomfield
Como
Darien
Delavan
Delavan Lake
East Troy
Elkhorn
Fontana-on-Geneva Lake
Genoa City
Lake Geneva
Lake Ivanhoe
Lake Lorraine
Lauderdale Lakes
Lyons
Powers Lake
Sharon
Springfield
Walworth
Whitewater
Williams Bay
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 Nov 4, 2026.