McMillan, WI Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for McMillan, WI in one place.
Mostly sunny, with a high near 68. Northwest wind 7 to 10 mph.
Local Weather Overview
This forecast page for McMillan, 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 12, 2026 12:50 AM CDT.
The active forecast window currently covers Oct 13 to Oct 18, 2026 for McMillan, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 12, 2026 12:50 AM CDT
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in McMillan
Tuesday looks like the warmest upcoming period in McMillan at 68 degrees F.
Friday Night is the coolest period ahead with temperatures near 28 degrees F.
The strongest winds are forecast for Friday at about 18 to 25 mph NW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 12, 2026 12:50 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- GRB
- Radar station
- KARX
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 47. North northwest wind around 6 mph.
Mostly sunny, with a high near 63.
Partly cloudy, with a low around 42.
A chance of rain showers after 7am. Mostly sunny, with a high near 60. Chance of precipitation is 50%.
A chance of rain showers. Mostly cloudy, with a low around 42. Chance of precipitation is 50%.
A slight chance of rain showers before 4pm, then a slight chance of rain and snow showers. Partly sunny, with a high near 53. Chance of precipitation is 20%.
A slight chance of rain and snow showers before 7pm, then widespread frost. Partly cloudy, with a low around 28. Chance of precipitation is 20%.
Widespread frost before 9am. Sunny, with a high near 53.
Widespread frost after 11pm. Mostly clear, with a low around 33.
Widespread frost before 7am. Sunny, with a high near 60.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Mostly Sunny
|
68°F |
7 to 10 mph
NW
|
|
Tuesday Night
Oct 13
|
Partly Cloudy
|
47°F |
6 mph
NNW
|
|
Wednesday
Oct 14
|
Mostly Sunny
|
63°F |
7 mph
N
|
|
Wednesday Night
Oct 14
|
Partly Cloudy
|
42°F |
6 mph
NE
|
|
Thursday
Oct 15
|
Chance Rain Showers
|
60°F |
8 mph
ESE
|
|
Thursday Night
Oct 15
|
Chance Rain Showers
|
42°F |
5 to 17 mph
WSW
|
|
Friday
Oct 16
|
Slight Chance Rain Showers then Slight Chance Rain And Snow Showers
|
53°F |
18 to 25 mph
NW
|
|
Friday Night
Oct 16
|
Slight Chance Rain And Snow Showers then Widespread Frost
|
28°F |
5 to 18 mph
NNW
|
|
Saturday
Oct 17
|
Widespread Frost then Sunny
|
53°F |
5 to 9 mph
WNW
|
|
Saturday Night
Oct 17
|
Widespread Frost
|
33°F |
6 to 12 mph
SW
|
|
Sunday
Oct 18
|
Widespread Frost then Sunny
|
60°F |
12 to 18 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around McMillan.