Merrimac, WI Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Merrimac, WI in one place.
Partly sunny, with a high near 79. Southeast wind 5 to 10 mph.
Local Weather Overview
This forecast page for Merrimac, 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 1:12 PM CDT.
The active forecast window currently covers May 31 to Jun 5, 2026 for Merrimac, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 31 to Jun 5, 2026
- Latest sync
- May 30, 2026 1:12 PM CDT
- Forecast office
- MKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Merrimac
Thursday looks like the warmest upcoming period in Merrimac at 86 degrees F.
Monday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Sunday at about 5 to 10 mph SE.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- May 30, 2026 1:12 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
Partly cloudy, with a low around 55. South wind 0 to 5 mph.
Mostly sunny, with a high near 82. Northeast wind 0 to 5 mph.
Partly cloudy, with a low around 53. East wind 0 to 5 mph.
Sunny, with a high near 82. East wind 0 to 5 mph.
Mostly clear, with a low around 53. East wind 0 to 5 mph.
Sunny, with a high near 84.
Partly cloudy, with a low around 59.
A slight chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 62. Chance of precipitation is 40%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
May 31
|
Partly Sunny
|
79°F |
5 to 10 mph
SE
|
|
Sunday Night
May 31
|
Partly Cloudy
|
55°F |
0 to 5 mph
S
|
|
Monday
Jun 1
|
Mostly Sunny
|
82°F |
0 to 5 mph
NE
|
|
Monday Night
Jun 1
|
Partly Cloudy
|
53°F |
0 to 5 mph
E
|
|
Tuesday
Jun 2
|
Sunny
|
82°F |
0 to 5 mph
E
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
53°F |
0 to 5 mph
E
|
|
Wednesday
Jun 3
|
Sunny
|
84°F |
0 to 5 mph
S
|
|
Wednesday Night
Jun 3
|
Partly Cloudy
|
59°F |
0 to 5 mph
S
|
|
Thursday
Jun 4
|
Slight Chance Showers And Thunderstorms
|
86°F |
5 to 10 mph
SW
|
|
Thursday Night
Jun 4
|
Chance Showers And Thunderstorms
|
64°F |
5 to 10 mph
SW
|
|
Friday
Jun 5
|
Chance Rain Showers
|
86°F |
5 to 10 mph
SW
|
|
Friday Night
Jun 5
|
Chance Showers And Thunderstorms
|
62°F |
0 to 10 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Merrimac.