Sauk City, WI Weather Forecast

Local 7-day forecast

61°
F

Rain Showers

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

Thursday, October 15, 2026
Wind: 5 mph NE
Thursday

Rain showers. Mostly cloudy, with a high near 61. Northeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

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: Oct 13, 2026 11:11 PM CDT.

The active forecast window currently covers Oct 15 to Oct 20, 2026 for Sauk City, WI.

Page Snapshot

Page focus
city weather
Forecast window
Oct 15 to Oct 20, 2026
Latest sync
Oct 13, 2026 11:11 PM CDT
Forecast office
MKX
Source
NOAA / NWS
Next High
61°F
Thursday
Next Low
42°F
Thursday Night
Rain Outlook
2
Periods mentioning precipitation
Windiest
15 to 20 mph
Friday

Daily Outlook

Today
Oct 15
Rain Showers
61 °F
/ 42°F
Wind 5 mph
Fri
Oct 16
Mostly Sunny
56 °F
/ 31°F
Wind 15 to 20 mph
Sat
Oct 17
Widespread Frost then Sunny
59 °F
/ 39°F
Wind 0 to 10 mph
Sun
Oct 18
Sunny
65 °F
/ 45°F
Wind 10 to 15 mph
Mon
Oct 19
Partly Sunny
67 °F
/ 43°F
Wind 0 to 5 mph
Tue
Oct 20
Mostly Sunny
69 °F
Wind 0 to 5 mph

This Week in Sauk City

Tuesday looks like the warmest upcoming period in Sauk City at 69 degrees F.

Friday Night is the coolest period ahead with temperatures near 31 degrees F.

The strongest winds are forecast for Friday at about 15 to 20 mph NW.

Precipitation is mentioned in 2 upcoming forecast periods.

Forecast Details

Last updated
Oct 13, 2026 11:11 PM CDT
Coverage
6 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

Thursday Night
Oct 15
42°F
Rain Showers
5 to 15 mph NW

Rain showers before 1am. Mostly cloudy, with a low around 42. Northwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Friday
Oct 16
56°F
Mostly Sunny
15 to 20 mph NW

Mostly sunny, with a high near 56. Northwest wind 15 to 20 mph, with gusts as high as 35 mph.

Friday Night
Oct 16
31°F
Mostly Clear then Widespread Frost
0 to 10 mph N

Widespread frost after 1am. Mostly clear, with a low around 31. North wind 0 to 10 mph.

Saturday
Oct 17
59°F
Widespread Frost then Sunny
0 to 10 mph W

Widespread frost before 9am. Sunny, with a high near 59. West wind 0 to 10 mph.

Saturday Night
Oct 17
39°F
Clear
10 mph SW

Clear, with a low around 39.

Sunday
Oct 18
65°F
Sunny
10 to 15 mph SW

Sunny, with a high near 65.

Sunday Night
Oct 18
45°F
Partly Cloudy
5 to 10 mph SW

Partly cloudy, with a low around 45.

Monday
Oct 19
67°F
Partly Sunny
0 to 5 mph SW

Partly sunny, with a high near 67.

Monday Night
Oct 19
43°F
Partly Cloudy
0 mph

Partly cloudy, with a low around 43.

Tuesday
Oct 20
69°F
Mostly Sunny
0 to 5 mph SE

Mostly sunny, with a high near 69.

Detailed Forecast

Period Conditions Temp Wind
Thursday
Oct 15
Rain Showers
61°F
5 mph
NE
Thursday Night
Oct 15
Rain Showers
42°F
5 to 15 mph
NW
Friday
Oct 16
Mostly Sunny
56°F
15 to 20 mph
NW
Friday Night
Oct 16
Mostly Clear then Widespread Frost
31°F
0 to 10 mph
N
Saturday
Oct 17
Widespread Frost then Sunny
59°F
0 to 10 mph
W
Saturday Night
Oct 17
Clear
39°F
10 mph
SW
Sunday
Oct 18
Sunny
65°F
10 to 15 mph
SW
Sunday Night
Oct 18
Partly Cloudy
45°F
5 to 10 mph
SW
Monday
Oct 19
Partly Sunny
67°F
0 to 5 mph
SW
Monday Night
Oct 19
Partly Cloudy
43°F
0 mph
Tuesday
Oct 20
Mostly Sunny
69°F
0 to 5 mph
SE
SaukCityWisconsinDowntownWIS78
SaukCityWisconsinDowntownWIS78 image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.