Sumner, WI Weather Forecast
Local 7-day forecast
Slight Chance Light Rain then Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sumner, WI in one place.
A slight chance of rain before 7am. Partly sunny. High near 47, with temperatures falling to around 42 in the afternoon. North wind 0 to 10 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Sumner, 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 3:22 AM CST.
The active forecast window currently covers Nov 11 to Nov 16, 2026 for Sumner, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 11 to Nov 16, 2026
- Latest sync
- Nov 10, 2026 3:22 AM CST
- Forecast office
- MPX
- Source
- NOAA / NWS
Daily Outlook
This Week in Sumner
Monday looks like the warmest upcoming period in Sumner at 49 degrees F.
Friday Night is the coolest period ahead with temperatures near 22 degrees F.
The strongest winds are forecast for Veterans Day at about 0 to 10 mph N.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 10, 2026 3:22 AM CST
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- MPX
- Radar station
- KMPX
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 before 10pm, then a slight chance of snow. Mostly cloudy, with a low around 26. North wind around 5 mph. Chance of precipitation is 20%.
Partly sunny. High near 39, with temperatures falling to around 36 in the afternoon. North wind 5 to 10 mph.
Partly cloudy, with a low around 24. North northwest wind 0 to 5 mph.
Sunny. High near 39, with temperatures falling to around 34 in the afternoon. North wind 0 to 5 mph.
Mostly clear, with a low around 22. North wind around 0 mph.
Sunny, with a high near 42. East wind 0 to 5 mph.
Mostly clear, with a low around 26. Southeast wind around 0 mph.
Mostly sunny, with a high near 43. Southeast wind 0 to 5 mph.
Partly cloudy, with a low around 31. Southeast wind 0 to 5 mph.
Partly sunny, with a high near 49. South southeast wind 0 to 5 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Veterans Day
Nov 11
|
Slight Chance Light Rain then Partly Sunny
|
47°F |
0 to 10 mph
N
|
|
Wednesday Night
Nov 11
|
Slight Chance Light Snow
|
26°F |
5 mph
N
|
|
Thursday
Nov 12
|
Partly Sunny
|
39°F |
5 to 10 mph
N
|
|
Thursday Night
Nov 12
|
Partly Cloudy
|
24°F |
0 to 5 mph
NNW
|
|
Friday
Nov 13
|
Sunny
|
39°F |
0 to 5 mph
N
|
|
Friday Night
Nov 13
|
Mostly Clear
|
22°F |
0 mph
|
|
Saturday
Nov 14
|
Sunny
|
42°F |
0 to 5 mph
E
|
|
Saturday Night
Nov 14
|
Mostly Clear
|
26°F |
0 mph
|
|
Sunday
Nov 15
|
Mostly Sunny
|
43°F |
0 to 5 mph
SE
|
|
Sunday Night
Nov 15
|
Partly Cloudy
|
31°F |
0 to 5 mph
SE
|
|
Monday
Nov 16
|
Partly Sunny
|
49°F |
0 to 5 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sumner.