Merrill, WI Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Merrill, WI in one place.
A chance of rain showers. Cloudy. Low around 39, with temperatures rising to around 44 overnight. North northwest wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Merrill, 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 16, 2026 7:29 AM CDT.
The active forecast window currently covers Oct 16 to Oct 22, 2026 for Merrill, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 16 to Oct 22, 2026
- Latest sync
- Oct 16, 2026 7:29 AM CDT
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Merrill
Thursday looks like the warmest upcoming period in Merrill at 70 degrees F.
Friday Night is the coolest period ahead with temperatures near 26 degrees F.
The strongest winds are forecast for Friday at about 14 to 23 mph NNW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 16, 2026 7:29 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- GRB
- Radar station
- KGRB
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers before 9am. Mostly cloudy. High near 49, with temperatures falling to around 45 in the afternoon. North northwest wind 14 to 23 mph, with gusts as high as 35 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Mostly clear. Low around 26, with temperatures rising to around 28 overnight. West northwest wind 1 to 12 mph, with gusts as high as 25 mph.
Sunny, with a high near 57. Southwest wind 2 to 15 mph, with gusts as high as 25 mph.
Clear, with a low around 33. Southwest wind around 13 mph, with gusts as high as 26 mph.
Sunny, with a high near 64.
Mostly clear, with a low around 36.
Patchy fog before 8am. Mostly sunny, with a high near 65.
Areas of fog after 3am. Partly cloudy, with a low around 35.
Patchy fog before 9am. Mostly sunny, with a high near 68.
Mostly clear, with a low around 40.
Mostly sunny, with a high near 69.
A chance of rain showers after 7pm. Partly cloudy, with a low around 48. Chance of precipitation is 30%.
A chance of rain showers before 7am. Partly sunny, with a high near 70. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Oct 16
|
Chance Rain Showers
|
39°F |
13 mph
NNW
|
|
Friday
Oct 16
|
Slight Chance Rain Showers then Mostly Cloudy
|
49°F |
14 to 23 mph
NNW
|
|
Friday Night
Oct 16
|
Mostly Clear
|
26°F |
1 to 12 mph
WNW
|
|
Saturday
Oct 17
|
Sunny
|
57°F |
2 to 15 mph
SW
|
|
Saturday Night
Oct 17
|
Clear
|
33°F |
13 mph
SW
|
|
Sunday
Oct 18
|
Sunny
|
64°F |
14 to 17 mph
SSW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
36°F |
3 to 12 mph
SW
|
|
Monday
Oct 19
|
Patchy Fog then Mostly Sunny
|
65°F |
5 mph
SW
|
|
Monday Night
Oct 19
|
Partly Cloudy then Areas Of Fog
|
35°F |
2 mph
SSW
|
|
Tuesday
Oct 20
|
Patchy Fog then Mostly Sunny
|
68°F |
0 to 5 mph
ESE
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
40°F |
3 mph
SE
|
|
Wednesday
Oct 21
|
Mostly Sunny
|
69°F |
2 to 10 mph
SSE
|
|
Wednesday Night
Oct 21
|
Chance Rain Showers
|
48°F |
5 to 8 mph
S
|
|
Thursday
Oct 22
|
Chance Rain Showers then Partly Sunny
|
70°F |
3 to 9 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Merrill.