Portage County, WI Weather Forecast
County weather hub
Sunny
Compare major city weather across Portage County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 77.
County Weather Overview
This county weather page brings together forecast coverage for Portage County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 2 of 2 mapped cities in Portage County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 30 to Jun 1, 2026
- Latest sync
- May 26, 2026 1:43 AM CDT
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Portage County
Monday looks like the warmest upcoming period in Portage County at 80 degrees F.
Saturday Night is the coolest period ahead with temperatures near 50 degrees F.
The strongest winds are forecast for Saturday at about 3 to 9 mph ENE.
The forecast from May 30 through Jun 1 stays mostly dry.
Forecast Details
- Last updated
- May 26, 2026 1:43 AM CDT
- Coverage
- 3 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 50.
Sunny, with a high near 78.
Mostly clear, with a low around 52.
Sunny, with a high near 80.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Sunny
|
77°F |
3 to 9 mph
ENE
|
|
Saturday Night
May 30
|
Mostly Clear
|
50°F |
3 to 9 mph
ENE
|
|
Sunday
May 31
|
Sunny
|
78°F |
3 to 7 mph
ENE
|
|
Sunday Night
May 31
|
Mostly Clear
|
52°F |
1 to 6 mph
SSE
|
|
Monday
Jun 1
|
Sunny
|
80°F |
2 to 7 mph
NW
|
Major City Forecasts
Live forecast snapshots for major cities across Portage County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Portage County.
Largest mapped city population in this region: 25,949.
