Potter Lake, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Potter Lake, a community in Waukesha County, Wisconsin.
Overnight
58°F
Light Rain
Rain. Cloudy, with a low around 58. South wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Potter Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Light Rain | 10 mph S | 87% |
| Wednesday | 62°F | Chance Light Rain | 10 to 15 mph SW | 31% |
| Wednesday Night | 44°F | Cloudy then Slight Chance Light Rain | 15 mph SW | 17% |
| Thursday | 55°F | Chance Light Rain | 10 to 15 mph W | 50% |
| Thursday Night | 37°F | Chance Light Rain then Cloudy | 10 mph N | 32% |
| Friday | 48°F | Mostly Cloudy | 10 to 15 mph N | 9% |
| Friday Night | 30°F | Partly Cloudy | 0 to 5 mph NW | 0% |
| Saturday | 50°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 32°F | Partly Cloudy | 0 to 5 mph W | 1% |
| Sunday | 55°F | Sunny | 5 to 10 mph W | 7% |
| Sunday Night | 33°F | Mostly Clear | 0 to 5 mph W | 0% |
| Monday | 60°F | Mostly Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 39°F | Partly Cloudy | 5 to 10 mph W | 1% |
| Tuesday | 60°F | Sunny | 5 to 10 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Potter Lake (42.820, -88.343). Updated through the day.
Growing snapshot for Potter Lake
Last spring frost
May 1
First fall frost
Oct 13
Growing season
162 days
Hardiness zone
5b
More local growing data for Potter Lake: nearby ZIP 53149 weather · frost dates · planting calendar · Wisconsin frost dates
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Climate data from the nearest NOAA station, Waukesha Wwtp, Wi (10.2 mi from Potter Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.