Mercer, WI Weather Forecast
Local 7-day forecast
Widespread Fog then Slight Chance Light Rain
Track current conditions, temperature changes, wind, and the full daily outlook for Mercer, WI in one place.
Widespread fog before 9am, then a slight chance of rain. Partly sunny. High near 62, with temperatures falling to around 60 in the afternoon. Northeast wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
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: Apr 14, 2026 9:25 PM CDT.
The active forecast window currently covers Apr 15 to Apr 21, 2026 for Mercer, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 21, 2026
- Latest sync
- Apr 14, 2026 9:25 PM CDT
- Forecast office
- DLH
- Source
- NOAA / NWS
Daily Outlook
This Week in Mercer
Friday looks like the warmest upcoming period in Mercer at 71 degrees F.
Sunday Night is the coolest period ahead with temperatures near 21 degrees F.
The strongest winds are forecast for Friday at about 5 to 15 mph S.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 14, 2026 9:25 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
A chance of rain after 7pm. Partly cloudy, with a low around 39. Northeast wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain before 1pm. Mostly sunny, with a high near 67. East wind 0 to 5 mph. Chance of precipitation is 20%.
Mostly clear, with a low around 46. Southeast wind around 5 mph.
A chance of rain and a slight chance of thunderstorms after 1pm. Partly sunny, with a high near 71. South wind 5 to 15 mph, with gusts as high as 25 mph. New rainfall amounts between a tenth and quarter of an inch possible.
Rain and a chance of thunderstorms. Mostly cloudy, with a low around 33. Southwest wind around 10 mph, with gusts as high as 25 mph.
Rain likely before 10am, then rain and snow likely. Mostly cloudy, with a high near 41. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. New snow accumulation of less than half an inch possible.
A chance of snow. Mostly cloudy, with a low around 22. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. New snow accumulation of less than half an inch possible.
A chance of snow before 1pm. Partly sunny, with a high near 38. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Partly cloudy, with a low around 21. Northwest wind around 5 mph, with gusts as high as 20 mph.
Sunny, with a high near 48. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Mostly clear, with a low around 30. South wind 5 to 10 mph, with gusts as high as 20 mph.
Mostly sunny, with a high near 60. South wind around 10 mph, with gusts as high as 20 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 15
|
Widespread Fog then Slight Chance Light Rain
|
62°F |
0 to 5 mph
NE
|
|
Wednesday Night
Apr 15
|
Chance Light Rain
|
39°F |
0 to 5 mph
NE
|
|
Thursday
Apr 16
|
Slight Chance Light Rain
|
67°F |
0 to 5 mph
E
|
|
Thursday Night
Apr 16
|
Mostly Clear
|
46°F |
5 mph
SE
|
|
Friday
Apr 17
|
Partly Sunny then Chance Light Rain
|
71°F |
5 to 15 mph
S
|
|
Friday Night
Apr 17
|
Rain
|
33°F |
10 mph
SW
|
|
Saturday
Apr 18
|
Rain And Snow Likely
|
41°F |
10 to 15 mph
NW
|
|
Saturday Night
Apr 18
|
Chance Light Snow
|
22°F |
10 to 15 mph
NW
|
|
Sunday
Apr 19
|
Chance Light Snow
|
38°F |
10 to 15 mph
NW
|
|
Sunday Night
Apr 19
|
Partly Cloudy
|
21°F |
5 mph
NW
|
|
Monday
Apr 20
|
Sunny
|
48°F |
5 to 10 mph
SW
|
|
Monday Night
Apr 20
|
Mostly Clear
|
30°F |
5 to 10 mph
S
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
60°F |
10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mercer.
