Mequon, WI Weather Forecast

Local 7-day forecast

81°
F

Partly Sunny

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

Saturday, August 29, 2026
Wind: 5 to 10 mph SW
Saturday

Partly sunny, with a high near 81. Southwest wind 5 to 10 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Mequon, 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: Aug 27, 2026 6:57 PM CDT.

The active forecast window currently covers Aug 29 to Sep 2, 2026 for Mequon, WI.

Page Snapshot

Page focus
city weather
Forecast window
Aug 29 to Sep 2, 2026
Latest sync
Aug 27, 2026 6:57 PM CDT
Forecast office
MKX
Source
NOAA / NWS
Next High
81°F
Saturday
Next Low
67°F
Saturday Night
Rain Outlook
9
Periods mentioning precipitation
Windiest
10 to 15 mph
Sunday

Daily Outlook

Today
Aug 29
Partly Sunny
81 °F
/ 67°F
Wind 5 to 10 mph
Sun
Aug 30
Showers And Thunderstorms Likely
87 °F
/ 71°F
Wind 10 to 15 mph
Mon
Aug 31
Chance Showers And Thunderstorms
88 °F
/ 72°F
Wind 10 mph
Tue
Sep 1
Chance Showers And Thunderstorms
87 °F
/ 69°F
Wind 5 to 10 mph
Wed
Sep 2
Chance Showers And Thunderstorms
85 °F
/ 68°F
Wind 0 to 5 mph

This Week in Mequon

Monday looks like the warmest upcoming period in Mequon at 88 degrees F.

Saturday Night is the coolest period ahead with temperatures near 67 degrees F.

The strongest winds are forecast for Sunday at about 10 to 15 mph S.

Precipitation is mentioned in 9 upcoming forecast periods.

Forecast Details

Last updated
Aug 27, 2026 6:57 PM 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 source

Extended Forecast

Saturday Night
Aug 29
67°F
Showers And Thunderstorms Likely
5 to 10 mph S

Showers and thunderstorms likely after 7pm. Mostly cloudy, with a low around 67. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Sunday
Aug 30
87°F
Showers And Thunderstorms Likely
10 to 15 mph S

Showers and thunderstorms likely before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 87. South wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

Sunday Night
Aug 30
71°F
Chance Showers And Thunderstorms
5 to 10 mph S

A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

Monday
Aug 31
88°F
Chance Showers And Thunderstorms
10 mph SW

A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 88. Chance of precipitation is 50%.

Monday Night
Aug 31
72°F
Slight Chance Showers And Thunderstorms
5 to 10 mph SW

A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.

Tuesday
Sep 1
87°F
Chance Showers And Thunderstorms
5 to 10 mph SW

A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 30%.

Tuesday Night
Sep 1
69°F
Slight Chance Showers And Thunderstorms
0 to 5 mph W

A slight chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.

Wednesday
Sep 2
85°F
Chance Showers And Thunderstorms
0 to 5 mph SW

A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 40%.

Wednesday Night
Sep 2
68°F
Slight Chance Showers And Thunderstorms
0 to 5 mph S

A slight chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 30%.

Detailed Forecast

Period Conditions Temp Wind
Saturday
Aug 29
Partly Sunny
81°F
5 to 10 mph
SW
Saturday Night
Aug 29
Showers And Thunderstorms Likely
67°F
5 to 10 mph
S
Sunday
Aug 30
Showers And Thunderstorms Likely
87°F
10 to 15 mph
S
Sunday Night
Aug 30
Chance Showers And Thunderstorms
71°F
5 to 10 mph
S
Monday
Aug 31
Chance Showers And Thunderstorms
88°F
10 mph
SW
Monday Night
Aug 31
Slight Chance Showers And Thunderstorms
72°F
5 to 10 mph
SW
Tuesday
Sep 1
Chance Showers And Thunderstorms
87°F
5 to 10 mph
SW
Tuesday Night
Sep 1
Slight Chance Showers And Thunderstorms
69°F
0 to 5 mph
W
Wednesday
Sep 2
Chance Showers And Thunderstorms
85°F
0 to 5 mph
SW
Wednesday Night
Sep 2
Slight Chance Showers And Thunderstorms
68°F
0 to 5 mph
S
Mequon Town Hall Dec09
Mequon Town Hall Dec09 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.