Marion, WI Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Marion, WI in one place.
Sunny, with a high near 97.
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: Jul 12, 2026 3:38 AM CDT.
The active forecast window currently covers Jul 14 to Jul 18, 2026 for Marion, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 18, 2026
- Latest sync
- Jul 12, 2026 3:38 AM CDT
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Marion
Tuesday looks like the warmest upcoming period in Marion at 97 degrees F.
Thursday Night is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Tuesday at about 7 to 12 mph W.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 12, 2026 3:38 AM CDT
- Coverage
- 5 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 71.
Sunny, with a high near 90.
Partly cloudy, with a low around 66.
Mostly sunny, with a high near 87.
A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 50%.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
97°F |
7 to 12 mph
W
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
71°F |
3 to 9 mph
WNW
|
|
Wednesday
Jul 15
|
Sunny
|
90°F |
5 mph
NNW
|
|
Wednesday Night
Jul 15
|
Partly Cloudy
|
66°F |
0 to 5 mph
N
|
|
Thursday
Jul 16
|
Mostly Sunny
|
87°F |
0 to 5 mph
ENE
|
|
Thursday Night
Jul 16
|
Slight Chance Showers And Thunderstorms
|
65°F |
5 mph
ESE
|
|
Friday
Jul 17
|
Chance Showers And Thunderstorms
|
86°F |
3 to 8 mph
ESE
|
|
Friday Night
Jul 17
|
Slight Chance Showers And Thunderstorms
|
66°F |
7 mph
SE
|
|
Saturday
Jul 18
|
Slight Chance Showers And Thunderstorms
|
87°F |
6 to 10 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Marion.