Summit Lake, WI Weather & Growing Conditions
This Afternoon
45°F
Chance Rain Showers
A chance of rain showers after 5pm. Cloudy. High near 45, with temperatures falling to around 40 in the afternoon. North wind around 16 mph, with gusts as high as 29 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 45°F | Chance Rain Showers | 16 mph N | 7% |
| Tonight | 31°F | Chance Rain And Snow Showers then Mostly Cloudy | 8 to 15 mph N | 13% |
| Friday | 41°F | Partly Sunny | 5 to 10 mph N | 0% |
| Friday Night | 22°F | Mostly Clear | 0 to 3 mph NNW | 0% |
| Saturday | 44°F | Mostly Sunny | 1 to 7 mph W | 0% |
| Saturday Night | 30°F | Partly Cloudy | 8 mph W | 0% |
| Sunday | 53°F | Sunny | 6 to 9 mph WNW | 0% |
| Sunday Night | 31°F | Mostly Clear | 1 to 5 mph WSW | 0% |
| Monday | 55°F | Mostly Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 36°F | Mostly Clear | 8 mph W | 0% |
| Tuesday | 50°F | Sunny | 6 to 10 mph WNW | 0% |
| Tuesday Night | 30°F | Partly Cloudy | 5 mph NW | 1% |
| Veterans Day | 46°F | Partly Sunny | 5 mph NNW | 6% |
| Wednesday Night | 30°F | Mostly Cloudy | 2 mph NNW | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Summit Lake, WI
Last spring frost
Jun 3
First fall frost
Sep 18
Growing season
106 days
Hardiness zone
4b
Explore more for Summit Lake, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, North Pelican, Wi (16.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 6, 2026.