| NWS Forecast for: Portage County Issued by: National Weather Service Green Bay, WI Last Update: 547 AM CDT Tue Sep 22 2026 |  |
Today: Partly cloudy. Highs in the lower 60s. East wind 10 to 15 mph. Tonight: Mostly clear. Lows in the lower 40s. East wind 5 to 10 mph in the evening becoming light and variable. Wednesday: Mostly sunny. Highs in the middle 60s. East wind 5 to 10 mph. Wednesday Night: Mostly clear. Lows in the middle 40s. Light and variable wind. Thursday: Partly sunny. Highs in the middle 60s. Southeast wind 5 to 10 mph. Thursday Night: Mostly cloudy. Lows in the middle 40s. Friday And Friday Night: Partly cloudy. Highs in the upper 60s. Lows in the middle 40s. Saturday: Mostly cloudy. Highs in the middle 60s. Saturday Night: Mostly cloudy with a 40 percent chance of showers. Lows in the upper 40s. Sunday And Sunday Night: Mostly cloudy. Highs in the upper 60s. Lows in the lower 50s. Monday: Partly sunny. Highs in the lower 70s. | |
| Zone Forecast: Portage County | |
Visit your local NWS office at: https://www.weather.gov/grb |