Merton, WI Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Merton, WI in one place.
Mostly sunny, with a high near 83. Southwest wind 5 to 10 mph.
Local Weather Overview
This forecast page for Merton, 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 24, 2026 1:01 PM CDT.
The active forecast window currently covers May 25 to May 30, 2026 for Merton, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 25 to May 30, 2026
- Latest sync
- May 24, 2026 1:01 PM CDT
- Forecast office
- MKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Merton
Tuesday looks like the warmest upcoming period in Merton at 87 degrees F.
Friday Night is the coolest period ahead with temperatures near 51 degrees F.
The strongest winds are forecast for Memorial Day at about 5 to 10 mph SW.
The forecast from May 25 through May 30 stays mostly dry.
Forecast Details
- Last updated
- May 24, 2026 1:01 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 sourceExtended Forecast
Mostly clear, with a low around 58. South wind 5 to 10 mph.
Sunny, with a high near 87. Southwest wind around 5 mph.
Partly cloudy, with a low around 59. South wind 0 to 5 mph.
Mostly sunny, with a high near 83. Northeast wind 0 to 10 mph.
Partly cloudy, with a low around 55. Northeast wind 5 to 10 mph.
Mostly sunny, with a high near 77.
Partly cloudy, with a low around 52.
Mostly sunny, with a high near 75.
Mostly clear, with a low around 51.
Sunny, with a high near 73.
Mostly clear, with a low around 52.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Memorial Day
May 25
|
Mostly Sunny
|
83°F |
5 to 10 mph
SW
|
|
Monday Night
May 25
|
Mostly Clear
|
58°F |
5 to 10 mph
S
|
|
Tuesday
May 26
|
Sunny
|
87°F |
5 mph
SW
|
|
Tuesday Night
May 26
|
Partly Cloudy
|
59°F |
0 to 5 mph
S
|
|
Wednesday
May 27
|
Mostly Sunny
|
83°F |
0 to 10 mph
NE
|
|
Wednesday Night
May 27
|
Partly Cloudy
|
55°F |
5 to 10 mph
NE
|
|
Thursday
May 28
|
Mostly Sunny
|
77°F |
5 to 10 mph
NE
|
|
Thursday Night
May 28
|
Partly Cloudy
|
52°F |
5 to 10 mph
NE
|
|
Friday
May 29
|
Mostly Sunny
|
75°F |
5 to 10 mph
NE
|
|
Friday Night
May 29
|
Mostly Clear
|
51°F |
5 to 10 mph
NE
|
|
Saturday
May 30
|
Sunny
|
73°F |
5 to 10 mph
NE
|
|
Saturday Night
May 30
|
Mostly Clear
|
52°F |
0 to 10 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Merton.