Marathon, WI Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Marathon, WI in one place.
Partly sunny. High near 54, with temperatures falling to around 51 in the afternoon. Southwest wind around 12 mph, with gusts as high as 21 mph.
Local Weather Overview
This forecast page for Marathon, 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: Nov 9, 2026 2:40 PM CST.
The active forecast window currently covers Nov 9 to Nov 15, 2026 for Marathon, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 9 to Nov 15, 2026
- Latest sync
- Nov 9, 2026 2:40 PM CST
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Marathon
This Afternoon looks like the warmest upcoming period in Marathon at 54 degrees F.
Friday Night is the coolest period ahead with temperatures near 23 degrees F.
The strongest winds are forecast for Thursday at about 8 to 14 mph N.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 9, 2026 2:40 PM CST
- Coverage
- 8 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
Mostly clear, with a low around 34. West wind around 9 mph.
Sunny. High near 54, with temperatures falling to around 48 in the afternoon. West northwest wind 6 to 9 mph.
A chance of rain showers after 4am. Mostly cloudy, with a low around 36. Northwest wind 0 to 5 mph. Chance of precipitation is 30%.
A chance of rain showers. Partly sunny, with a high near 47. North wind 2 to 9 mph. Chance of precipitation is 40%.
Mostly cloudy, with a low around 28.
Partly sunny, with a high near 39.
Mostly cloudy, with a low around 24.
Mostly sunny, with a high near 39.
Mostly clear, with a low around 23.
Sunny, with a high near 42.
Mostly clear, with a low around 26.
Mostly sunny, with a high near 45.
Partly cloudy, with a low around 32.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Nov 9
|
Partly Sunny
|
54°F |
12 mph
SW
|
|
Tonight
Nov 9
|
Mostly Clear
|
34°F |
9 mph
W
|
|
Tuesday
Nov 10
|
Sunny
|
54°F |
6 to 9 mph
WNW
|
|
Tuesday Night
Nov 10
|
Mostly Cloudy then Chance Rain Showers
|
36°F |
0 to 5 mph
NW
|
|
Veterans Day
Nov 11
|
Chance Rain Showers
|
47°F |
2 to 9 mph
N
|
|
Wednesday Night
Nov 11
|
Mostly Cloudy
|
28°F |
9 mph
N
|
|
Thursday
Nov 12
|
Partly Sunny
|
39°F |
8 to 14 mph
N
|
|
Thursday Night
Nov 12
|
Mostly Cloudy
|
24°F |
5 to 9 mph
N
|
|
Friday
Nov 13
|
Mostly Sunny
|
39°F |
6 to 10 mph
N
|
|
Friday Night
Nov 13
|
Mostly Clear
|
23°F |
5 mph
N
|
|
Saturday
Nov 14
|
Sunny
|
42°F |
5 mph
NNW
|
|
Saturday Night
Nov 14
|
Mostly Clear
|
26°F |
3 mph
E
|
|
Sunday
Nov 15
|
Mostly Sunny
|
45°F |
3 to 7 mph
SSE
|
|
Sunday Night
Nov 15
|
Partly Cloudy
|
32°F |
5 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Marathon.
