Williams Bay, WI Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Williams Bay, WI in one place.
Sunny, with a high near 86. South wind 0 to 5 mph.
Local Weather Overview
This forecast page for Williams Bay, 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: May 24, 2026 3:19 AM CDT.
The active forecast window currently covers May 26 to May 30, 2026 for Williams Bay, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 26 to May 30, 2026
- Latest sync
- May 24, 2026 3:19 AM CDT
- Forecast office
- MKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Williams Bay
Tuesday looks like the warmest upcoming period in Williams Bay at 86 degrees F.
Friday Night is the coolest period ahead with temperatures near 50 degrees F.
The strongest winds are forecast for Friday at about 5 to 15 mph NE.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- May 24, 2026 3:19 AM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- MKX
- Radar station
- KMKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 61. Southeast wind 0 to 5 mph.
A slight chance of rain showers between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. East wind 0 to 10 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 57. Chance of precipitation is 20%.
Mostly sunny, with a high near 79.
Partly cloudy, with a low around 53.
Partly sunny, with a high near 74.
Partly cloudy, with a low around 50.
Mostly sunny, with a high near 74.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
May 26
|
Sunny
|
86°F |
0 to 5 mph
S
|
|
Tuesday Night
May 26
|
Partly Cloudy
|
61°F |
0 to 5 mph
SE
|
|
Wednesday
May 27
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
84°F |
0 to 10 mph
E
|
|
Wednesday Night
May 27
|
Slight Chance Showers And Thunderstorms
|
57°F |
5 to 10 mph
E
|
|
Thursday
May 28
|
Mostly Sunny
|
79°F |
5 to 10 mph
NE
|
|
Thursday Night
May 28
|
Partly Cloudy
|
53°F |
5 to 10 mph
NE
|
|
Friday
May 29
|
Partly Sunny
|
74°F |
5 to 15 mph
NE
|
|
Friday Night
May 29
|
Partly Cloudy
|
50°F |
5 to 15 mph
NE
|
|
Saturday
May 30
|
Mostly Sunny
|
74°F |
5 to 10 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Williams Bay.