Three Lakes, WI Weather & Growing Conditions
Today
76°F
Chance Rain Showers
A chance of rain showers between 8am and 2pm. Mostly cloudy. High near 76, with temperatures falling to around 74 in the afternoon. Heat index values as high as 76. West wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Chance Rain Showers | 6 to 10 mph W | 33% |
| Tonight | 52°F | Mostly Cloudy | 0 to 5 mph NNW | 10% |
| Wednesday | 75°F | Patchy Fog then Mostly Sunny | 0 to 3 mph WNW | 1% |
| Wednesday Night | 50°F | Partly Cloudy then Patchy Fog | 2 mph S | 0% |
| Thursday | 80°F | Sunny | 1 to 7 mph SW | 1% |
| Thursday Night | 58°F | Mostly Clear | 6 mph SW | 2% |
| Friday | 83°F | Sunny | 3 to 9 mph SW | 17% |
| Friday Night | 60°F | Chance Showers And Thunderstorms | 6 mph SW | 33% |
| Saturday | 80°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 7 mph WSW | 24% |
| Saturday Night | 59°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 1 to 5 mph WSW | 47% |
| Sunday | 80°F | Chance Showers And Thunderstorms | 2 to 7 mph W | 47% |
| Sunday Night | 56°F | Chance Showers And Thunderstorms | 0 to 6 mph NW | 31% |
| Monday | 78°F | Patchy Fog then Chance Showers And Thunderstorms | 0 to 5 mph NNW | 25% |
| Monday Night | 55°F | Chance Showers And Thunderstorms | 1 to 5 mph N | 25% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Three Lakes, WI
Last spring frost
May 25
First fall frost
Sep 24
Growing season
121 days
Hardiness zone
4b
Explore more for Three Lakes, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Eagle Rvr, Wi (11.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.