| NWS Forecast for: Portage County Issued by: National Weather Service Green Bay, WI Last Update: 102 PM CDT Thu Aug 6 2026 |  |
| This Afternoon: Sunny. Nearly steady temperature in the lower 80s. South wind around 5 mph. Tonight: Mostly clear. Lows in the lower 60s. Light and variable wind. Friday: Humid. Partly cloudy. Highs in the middle 80s. Southwest wind 10 to 15 mph. Friday Night: Mostly cloudy with a 50 percent chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the upper 50s. West wind 5 to 10 mph. Saturday: Sunny. Highs in the lower 80s. Northwest wind 5 to 10 mph. Saturday Night: Partly cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 40 percent. Sunday: Partly cloudy. Highs in the middle 80s. Sunday Night: Partly cloudy with a 40 percent chance of showers and thunderstorms. Lows in the lower 60s. Monday: Showers likely and a chance of thunderstorms. Highs in the lower 80s. Chance of rain 60 percent. Monday Night: Mostly clear. Lows in the upper 50s. Tuesday: Partly cloudy. Highs in the lower 80s. Tuesday Night: Mostly clear. Lows in the upper 50s. Wednesday: Partly cloudy. Highs in the lower 80s. | |
| Zone Forecast: Portage County | |
Visit your local NWS office at: https://www.weather.gov/grb |