Mercer, WI Weather Forecast
Local 7-day forecast
Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Mercer, WI in one place.
Rain showers after 10am. Cloudy, with a high near 51. South wind 0 to 5 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half 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: Oct 15, 2026 11:42 AM CDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for Mercer, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 11:42 AM CDT
- Forecast office
- DLH
- Source
- NOAA / NWS
Daily Outlook
This Week in Mercer
Tuesday looks like the warmest upcoming period in Mercer at 65 degrees F.
Friday Night is the coolest period ahead with temperatures near 26 degrees F.
The strongest winds are forecast for Tonight at about 0 to 15 mph NW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 11:42 AM 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
Rain showers. Cloudy. Low around 34, with temperatures rising to around 37 overnight. Northwest wind 0 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Rain showers likely before 1pm. Mostly cloudy, with a high near 45. North wind 10 to 15 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Mostly clear, with a low around 26. West wind 0 to 10 mph, with gusts as high as 20 mph.
Sunny, with a high near 56. Southwest wind 5 to 15 mph, with gusts as high as 30 mph.
Clear, with a low around 32. Southwest wind around 15 mph, with gusts as high as 30 mph.
Sunny, with a high near 62. Southwest wind around 15 mph, with gusts as high as 35 mph.
Partly cloudy, with a low around 34. Southwest wind 0 to 10 mph, with gusts as high as 25 mph.
Mostly sunny, with a high near 64. West wind 0 to 5 mph.
Mostly clear, with a low around 33. Northwest wind around 0 mph.
Sunny, with a high near 65. Southeast wind 0 to 5 mph.
Mostly clear, with a low around 38. South wind 0 to 5 mph.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 65. South wind 5 to 10 mph, with gusts as high as 25 mph.
A chance of rain showers. Mostly cloudy, with a low around 42. South wind 5 to 10 mph, with gusts as high as 20 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 15
|
Rain Showers
|
51°F |
0 to 5 mph
S
|
|
Tonight
Oct 15
|
Rain Showers
|
34°F |
0 to 15 mph
NW
|
|
Friday
Oct 16
|
Rain Showers Likely
|
45°F |
10 to 15 mph
N
|
|
Friday Night
Oct 16
|
Mostly Clear
|
26°F |
0 to 10 mph
W
|
|
Saturday
Oct 17
|
Sunny
|
56°F |
5 to 15 mph
SW
|
|
Saturday Night
Oct 17
|
Clear
|
32°F |
15 mph
SW
|
|
Sunday
Oct 18
|
Sunny
|
62°F |
15 mph
SW
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
34°F |
0 to 10 mph
SW
|
|
Monday
Oct 19
|
Mostly Sunny
|
64°F |
0 to 5 mph
W
|
|
Monday Night
Oct 19
|
Mostly Clear
|
33°F |
0 mph
|
|
Tuesday
Oct 20
|
Sunny
|
65°F |
0 to 5 mph
SE
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
38°F |
0 to 5 mph
S
|
|
Wednesday
Oct 21
|
Mostly Sunny then Slight Chance Rain Showers
|
65°F |
5 to 10 mph
S
|
|
Wednesday Night
Oct 21
|
Chance Rain Showers
|
42°F |
5 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mercer.
