Sauk City, WI Weather Forecast

Local 7-day forecast

95°
F

Patchy Fog then Mostly Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Sauk City, WI in one place.

Wednesday, July 15, 2026
Wind: 0 to 5 mph W
Wednesday

Patchy fog before 8am. Mostly sunny, with a high near 95. Heat index values as high as 103. West wind 0 to 5 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Sauk City, 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: Jul 14, 2026 10:03 PM CDT.

The active forecast window currently covers Jul 15 to Jul 21, 2026 for Sauk City, WI.

Page Snapshot

Page focus
city weather
Forecast window
Jul 15 to Jul 21, 2026
Latest sync
Jul 14, 2026 10:03 PM CDT
Forecast office
MKX
Source
NOAA / NWS
Next High
95°F
Wednesday
Next Low
70°F
Wednesday Night
Rain Outlook
10
Periods mentioning precipitation
Windiest
5 to 10 mph
Saturday

Daily Outlook

Today
Jul 15
Patchy Fog then Mostly Sunny
95 °F
/ 70°F
Wind 0 to 5 mph
Thu
Jul 16
Smoke
92 °F
/ 69°F
Wind 0 to 5 mph
Fri
Jul 17
Chance Showers And Thunderstorms
91 °F
/ 71°F
Wind 0 to 5 mph
Sat
Jul 18
Sunny then Slight Chance Showers And Thunderstorms
90 °F
/ 67°F
Wind 5 to 10 mph
Sun
Jul 19
Mostly Sunny
88 °F
/ 68°F
Wind 0 to 5 mph
Mon
Jul 20
Slight Chance Rain Showers
88 °F
/ 66°F
Wind 5 to 10 mph
Tue
Jul 21
Slight Chance Rain Showers then Mostly Sunny
82 °F
Wind 5 to 10 mph

This Week in Sauk City

Wednesday looks like the warmest upcoming period in Sauk City at 95 degrees F.

Monday Night is the coolest period ahead with temperatures near 66 degrees F.

The strongest winds are forecast for Saturday at about 5 to 10 mph W.

Precipitation is mentioned in 10 upcoming forecast periods.

Forecast Details

Last updated
Jul 14, 2026 10:03 PM CDT
Coverage
7 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 source

Extended Forecast

Wednesday Night
Jul 15
70°F
Smoke
0 to 5 mph NE

Smoke after 10pm. Partly cloudy, with a low around 70. Heat index values as high as 101. Northeast wind 0 to 5 mph.

Thursday
Jul 16
92°F
Smoke
0 to 5 mph S

Smoke before 1pm, then areas of smoke and isolated showers and thunderstorms. Mostly sunny, with a high near 92. Heat index values as high as 96. South wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Thursday Night
Jul 16
69°F
Areas Of Smoke
0 mph

Areas of smoke and a slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 69. Southeast wind around 0 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Friday
Jul 17
91°F
Chance Showers And Thunderstorms
0 to 5 mph S

A chance of rain showers between 7am and 10am, then a chance of showers and thunderstorms between 10am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 91. South wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Friday Night
Jul 17
71°F
Chance Showers And Thunderstorms then Mostly Clear
5 mph SW

A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 71. Southwest wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Saturday
Jul 18
90°F
Sunny then Slight Chance Showers And Thunderstorms
5 to 10 mph W

A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. West wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Saturday Night
Jul 18
67°F
Slight Chance Showers And Thunderstorms then Mostly Clear
0 to 10 mph N

A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 67. Chance of precipitation is 20%.

Sunday
Jul 19
88°F
Mostly Sunny
0 to 5 mph SE

Mostly sunny, with a high near 88.

Sunday Night
Jul 19
68°F
Partly Cloudy then Slight Chance Rain Showers
0 to 5 mph SW

A slight chance of rain showers after 1am. Partly cloudy, with a low around 68. Chance of precipitation is 20%.

Monday
Jul 20
88°F
Slight Chance Rain Showers
5 to 10 mph W

A slight chance of rain showers. Mostly sunny, with a high near 88. Chance of precipitation is 20%.

Monday Night
Jul 20
66°F
Slight Chance Rain Showers
5 to 10 mph NW

A slight chance of rain showers. Partly cloudy, with a low around 66. Chance of precipitation is 20%.

Tuesday
Jul 21
82°F
Slight Chance Rain Showers then Mostly Sunny
5 to 10 mph NW

A slight chance of rain showers before 7am. Mostly sunny, with a high near 82. Chance of precipitation is 20%.

Detailed Forecast

Period Conditions Temp Wind
Wednesday
Jul 15
Patchy Fog then Mostly Sunny
95°F
0 to 5 mph
W
Wednesday Night
Jul 15
Smoke
70°F
0 to 5 mph
NE
Thursday
Jul 16
Smoke
92°F
0 to 5 mph
S
Thursday Night
Jul 16
Areas Of Smoke
69°F
0 mph
Friday
Jul 17
Chance Showers And Thunderstorms
91°F
0 to 5 mph
S
Friday Night
Jul 17
Chance Showers And Thunderstorms then Mostly Clear
71°F
5 mph
SW
Saturday
Jul 18
Sunny then Slight Chance Showers And Thunderstorms
90°F
5 to 10 mph
W
Saturday Night
Jul 18
Slight Chance Showers And Thunderstorms then Mostly Clear
67°F
0 to 10 mph
N
Sunday
Jul 19
Mostly Sunny
88°F
0 to 5 mph
SE
Sunday Night
Jul 19
Partly Cloudy then Slight Chance Rain Showers
68°F
0 to 5 mph
SW
Monday
Jul 20
Slight Chance Rain Showers
88°F
5 to 10 mph
W
Monday Night
Jul 20
Slight Chance Rain Showers
66°F
5 to 10 mph
NW
Tuesday
Jul 21
Slight Chance Rain Showers then Mostly Sunny
82°F
5 to 10 mph
NW
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Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.