Marion, WI Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Marion, WI in one place.
Mostly sunny, with a high near 71. West northwest wind 6 to 9 mph.
Local Weather Overview
This forecast page for Marion, 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 4:12 AM CDT.
The active forecast window currently covers Oct 13 to Oct 18, 2026 for Marion, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 12, 2026 4:12 AM CDT
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Marion
Tuesday looks like the warmest upcoming period in Marion at 71 degrees F.
Friday Night is the coolest period ahead with temperatures near 29 degrees F.
The strongest winds are forecast for Friday at about 17 to 23 mph NW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 12, 2026 4:12 AM CDT
- Coverage
- 6 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
Partly cloudy, with a low around 50. North northwest wind around 3 mph.
Mostly sunny, with a high near 64.
Mostly cloudy, with a low around 43.
A chance of rain showers after 7am. Partly sunny, with a high near 61. Chance of precipitation is 50%.
A chance of rain showers before 1am. Mostly cloudy, with a low around 41. Chance of precipitation is 50%.
Mostly sunny, with a high near 53.
Widespread frost after 11pm. Partly cloudy, with a low around 29.
Widespread frost before 10am. Sunny, with a high near 56.
Clear, with a low around 35.
Sunny, with a high near 62.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Mostly Sunny
|
71°F |
6 to 9 mph
WNW
|
|
Tuesday Night
Oct 13
|
Partly Cloudy
|
50°F |
3 mph
NNW
|
|
Wednesday
Oct 14
|
Mostly Sunny
|
64°F |
5 mph
N
|
|
Wednesday Night
Oct 14
|
Mostly Cloudy
|
43°F |
3 mph
NE
|
|
Thursday
Oct 15
|
Chance Rain Showers
|
61°F |
6 mph
E
|
|
Thursday Night
Oct 15
|
Chance Rain Showers
|
41°F |
2 to 17 mph
W
|
|
Friday
Oct 16
|
Mostly Sunny
|
53°F |
17 to 23 mph
NW
|
|
Friday Night
Oct 16
|
Widespread Frost
|
29°F |
3 to 17 mph
NW
|
|
Saturday
Oct 17
|
Widespread Frost then Sunny
|
56°F |
2 to 10 mph
W
|
|
Saturday Night
Oct 17
|
Clear
|
35°F |
8 to 13 mph
SW
|
|
Sunday
Oct 18
|
Sunny
|
62°F |
14 to 17 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Marion.