Summit Lake, WI Weather & Growing Conditions
This Afternoon
61°F
Rain Showers
Rain showers. Cloudy. High near 61, with temperatures falling to around 55 in the afternoon. South southwest wind 8 to 12 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 61°F | Rain Showers | 8 to 12 mph SSW | 90% |
| Tonight | 42°F | Rain Showers | 8 mph WSW | 88% |
| Thursday | 46°F | Rain Showers Likely | 6 to 17 mph NNW | 76% |
| Thursday Night | 29°F | Mostly Cloudy | 10 to 16 mph N | 1% |
| Friday | 42°F | Partly Sunny | 5 to 12 mph N | 1% |
| Friday Night | 24°F | Partly Cloudy | 0 to 3 mph N | 0% |
| Saturday | 45°F | Sunny | 0 to 6 mph WNW | 0% |
| Saturday Night | 28°F | Partly Cloudy | 3 to 7 mph W | 6% |
| Sunday | 50°F | Mostly Sunny | 7 to 10 mph WNW | 10% |
| Sunday Night | 30°F | Partly Cloudy | 2 to 7 mph W | 1% |
| Monday | 53°F | Mostly Sunny | 3 to 12 mph WSW | 0% |
| Monday Night | 34°F | Partly Cloudy | 6 to 9 mph W | 2% |
| Tuesday | 52°F | Slight Chance Rain Showers then Mostly Sunny | 6 to 9 mph NW | 15% |
| Tuesday Night | 31°F | Partly Cloudy | 1 to 5 mph NW | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Summit Lake, WI
Last spring frost
May 14
First fall frost
Sep 30
Growing season
139 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, Antigo, Wi (9.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.