Mercer, WI Weather Forecast

Local 7-day forecast

88°
F

Smoke

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

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

Smoke. Partly sunny. High near 88, with temperatures falling to around 86 in the afternoon. North wind 0 to 5 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Mercer, 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 4:07 PM CDT.

The active forecast window currently covers Jul 15 to Jul 20, 2026 for Mercer, WI.

Page Snapshot

Page focus
city weather
Forecast window
Jul 15 to Jul 20, 2026
Latest sync
Jul 14, 2026 4:07 PM CDT
Forecast office
DLH
Source
NOAA / NWS
Next High
88°F
Wednesday
Next Low
61°F
Wednesday Night
Rain Outlook
7
Periods mentioning precipitation
Windiest
5 to 10 mph
Saturday

Daily Outlook

Today
Jul 15
Smoke
88 °F
/ 61°F
Wind 0 to 5 mph
Thu
Jul 16
Areas Of Smoke then Mostly Sunny
87 °F
/ 63°F
Wind 0 to 5 mph
Fri
Jul 17
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
87 °F
/ 63°F
Wind 5 mph
Sat
Jul 18
Chance Showers And Thunderstorms then Mostly Sunny
81 °F
/ 58°F
Wind 5 to 10 mph
Sun
Jul 19
Mostly Sunny
84 °F
/ 61°F
Wind 0 to 5 mph
Mon
Jul 20
Chance Rain Showers
81 °F
/ 55°F
Wind 5 to 10 mph

This Week in Mercer

Wednesday looks like the warmest upcoming period in Mercer at 88 degrees F.

Monday Night is the coolest period ahead with temperatures near 55 degrees F.

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

Precipitation is mentioned in 7 upcoming forecast periods.

Forecast Details

Last updated
Jul 14, 2026 4:07 PM CDT
Coverage
6 days
Time zone
America/Chicago
Forecast office
DLH
Radar station
KDLH

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
61°F
Patchy Smoke
0 to 5 mph E

Patchy smoke. Partly cloudy, with a low around 61. East wind 0 to 5 mph.

Thursday
Jul 16
87°F
Areas Of Smoke then Mostly Sunny
0 to 5 mph E

Areas of smoke before 8am. Mostly sunny, with a high near 87. East wind 0 to 5 mph.

Thursday Night
Jul 16
63°F
Mostly Cloudy then Slight Chance Showers And Thunderstorms
5 mph E

A slight chance of rain showers between 1am and 4am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 63. East wind around 5 mph.

Friday
Jul 17
87°F
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
5 mph S

A slight chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Mostly sunny, with a high near 87. South wind around 5 mph.

Friday Night
Jul 17
63°F
Showers And Thunderstorms Likely
5 mph SW

Showers and thunderstorms likely before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 63. Southwest wind around 5 mph.

Saturday
Jul 18
81°F
Chance Showers And Thunderstorms then Mostly Sunny
5 to 10 mph NW

A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 81. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

Saturday Night
Jul 18
58°F
Partly Cloudy
0 to 5 mph N

Partly cloudy, with a low around 58. North wind 0 to 5 mph.

Sunday
Jul 19
84°F
Mostly Sunny
0 to 5 mph SW

Mostly sunny, with a high near 84. Southwest wind 0 to 5 mph.

Sunday Night
Jul 19
61°F
Chance Showers And Thunderstorms
5 mph SW

A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 61. Southwest wind around 5 mph.

Monday
Jul 20
81°F
Chance Rain Showers
5 to 10 mph W

A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 81. West wind 5 to 10 mph, with gusts as high as 25 mph.

Monday Night
Jul 20
55°F
Chance Showers And Thunderstorms
5 to 10 mph NW

A chance of showers and thunderstorms. Partly cloudy, with a low around 55. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

Detailed Forecast

Period Conditions Temp Wind
Wednesday
Jul 15
Smoke
88°F
0 to 5 mph
N
Wednesday Night
Jul 15
Patchy Smoke
61°F
0 to 5 mph
E
Thursday
Jul 16
Areas Of Smoke then Mostly Sunny
87°F
0 to 5 mph
E
Thursday Night
Jul 16
Mostly Cloudy then Slight Chance Showers And Thunderstorms
63°F
5 mph
E
Friday
Jul 17
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
87°F
5 mph
S
Friday Night
Jul 17
Showers And Thunderstorms Likely
63°F
5 mph
SW
Saturday
Jul 18
Chance Showers And Thunderstorms then Mostly Sunny
81°F
5 to 10 mph
NW
Saturday Night
Jul 18
Partly Cloudy
58°F
0 to 5 mph
N
Sunday
Jul 19
Mostly Sunny
84°F
0 to 5 mph
SW
Sunday Night
Jul 19
Chance Showers And Thunderstorms
61°F
5 mph
SW
Monday
Jul 20
Chance Rain Showers
81°F
5 to 10 mph
W
Monday Night
Jul 20
Chance Showers And Thunderstorms
55°F
5 to 10 mph
NW
Mercer Hwy 51
Mercer Hwy 51 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.