Summit Lake, WI Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Summit Lake, WI in one place.
A chance of rain showers before 5pm. Mostly cloudy. High near 45, with temperatures falling to around 39 in the afternoon. North northwest wind 2 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Summit Lake, WI is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Nov 10, 2026 11:15 PM CST.
The active forecast window currently covers Nov 11 to Nov 17, 2026 for Summit Lake, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 11 to Nov 17, 2026
- Latest sync
- Nov 10, 2026 11:15 PM CST
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Summit Lake
Tuesday looks like the warmest upcoming period in Summit Lake at 48 degrees F.
Friday Night is the coolest period ahead with temperatures near 25 degrees F.
The strongest winds are forecast for Thursday at about 8 to 12 mph N.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 10, 2026 11:15 PM CST
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- GRB
- Radar station
- KGRB
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers between 11pm and midnight. Mostly cloudy, with a low around 28. North wind around 9 mph, with gusts as high as 20 mph.
Partly sunny, with a high near 36. North wind 8 to 12 mph, with gusts as high as 22 mph.
Mostly cloudy, with a low around 26. North northwest wind around 7 mph.
Partly sunny, with a high near 36.
Partly cloudy, with a low around 25.
Mostly sunny, with a high near 38.
Partly cloudy, with a low around 26.
Mostly sunny, with a high near 40.
Partly cloudy, with a low around 29.
Mostly sunny, with a high near 43.
Partly cloudy, with a low around 32.
Mostly sunny, with a high near 48.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Veterans Day
Nov 11
|
Chance Rain Showers
|
45°F |
2 to 9 mph
NNW
|
|
Wednesday Night
Nov 11
|
Slight Chance Rain Showers then Mostly Cloudy
|
28°F |
9 mph
N
|
|
Thursday
Nov 12
|
Partly Sunny
|
36°F |
8 to 12 mph
N
|
|
Thursday Night
Nov 12
|
Mostly Cloudy
|
26°F |
7 mph
NNW
|
|
Friday
Nov 13
|
Partly Sunny
|
36°F |
6 to 9 mph
NNW
|
|
Friday Night
Nov 13
|
Partly Cloudy
|
25°F |
5 mph
NNW
|
|
Saturday
Nov 14
|
Mostly Sunny
|
38°F |
3 mph
N
|
|
Saturday Night
Nov 14
|
Partly Cloudy
|
26°F |
1 mph
NE
|
|
Sunday
Nov 15
|
Mostly Sunny
|
40°F |
2 mph
ESE
|
|
Sunday Night
Nov 15
|
Partly Cloudy
|
29°F |
2 mph
SSE
|
|
Monday
Nov 16
|
Mostly Sunny
|
43°F |
1 to 5 mph
S
|
|
Monday Night
Nov 16
|
Partly Cloudy
|
32°F |
3 mph
SSW
|
|
Tuesday
Nov 17
|
Mostly Sunny
|
48°F |
2 to 6 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Summit Lake.