Mercer, WI Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Mercer, WI in one place.
Mostly sunny, with a high near 78. Southeast wind 5 to 10 mph.
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: May 30, 2026 2:16 PM CDT.
The active forecast window currently covers May 30 to Jun 5, 2026 for Mercer, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 5, 2026
- Latest sync
- May 30, 2026 2:16 PM CDT
- Forecast office
- DLH
- Source
- NOAA / NWS
Daily Outlook
This Week in Mercer
Wednesday looks like the warmest upcoming period in Mercer at 83 degrees F.
Tonight is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for This Afternoon at about 5 to 10 mph SE.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- May 30, 2026 2:16 PM CDT
- Coverage
- 7 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 sourceExtended Forecast
Mostly clear, with a low around 46. Southeast wind 5 to 10 mph.
Mostly sunny, with a high near 80. South wind 0 to 5 mph.
Partly cloudy, with a low around 50. North wind around 0 mph.
Sunny, with a high near 81. Northeast wind 0 to 5 mph.
Mostly clear, with a low around 49. East wind 0 to 5 mph.
Sunny, with a high near 81. Southeast wind 0 to 5 mph.
Partly cloudy, with a low around 51. South wind 0 to 5 mph.
Mostly sunny, with a high near 83. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 56. South wind around 5 mph, with gusts as high as 20 mph.
Showers and thunderstorms likely. Mostly cloudy, with a high near 80. Southwest wind around 10 mph, with gusts as high as 25 mph.
Showers and thunderstorms likely. Mostly cloudy, with a low around 55. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 77. West wind 5 to 10 mph, with gusts as high as 20 mph.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Northeast wind around 5 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
May 30
|
Mostly Sunny
|
78°F |
5 to 10 mph
SE
|
|
Tonight
May 30
|
Mostly Clear
|
46°F |
5 to 10 mph
SE
|
|
Sunday
May 31
|
Mostly Sunny
|
80°F |
0 to 5 mph
S
|
|
Sunday Night
May 31
|
Partly Cloudy
|
50°F |
0 mph
|
|
Monday
Jun 1
|
Sunny
|
81°F |
0 to 5 mph
NE
|
|
Monday Night
Jun 1
|
Mostly Clear
|
49°F |
0 to 5 mph
E
|
|
Tuesday
Jun 2
|
Sunny
|
81°F |
0 to 5 mph
SE
|
|
Tuesday Night
Jun 2
|
Partly Cloudy
|
51°F |
0 to 5 mph
S
|
|
Wednesday
Jun 3
|
Mostly Sunny
|
83°F |
5 to 10 mph
SW
|
|
Wednesday Night
Jun 3
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
56°F |
5 mph
S
|
|
Thursday
Jun 4
|
Showers And Thunderstorms Likely
|
80°F |
10 mph
SW
|
|
Thursday Night
Jun 4
|
Showers And Thunderstorms Likely
|
55°F |
5 to 10 mph
SW
|
|
Friday
Jun 5
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
77°F |
5 to 10 mph
W
|
|
Friday Night
Jun 5
|
Chance Showers And Thunderstorms
|
51°F |
5 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mercer.
