| NWS Forecast for: Marathon County Issued by: National Weather Service Green Bay, WI Last Update: 617 AM CDT Sat Aug 15 2026 | |
Today: Humid. Mostly cloudy. Highs around 80. Southeast wind 5 to 10 mph. Tonight: Muggy. Cloudy with a chance of showers and thunderstorms. Patchy fog after midnight. Lows in the middle 60s. South wind 5 to 10 mph in the evening becoming light and variable. Chance of rain 50 percent. Sunday: Humid. Partly sunny. Patchy fog in the morning. Highs around 80. Northwest wind 10 to 15 mph. Sunday Night: Cooler. Clear. Lows in the middle 50s. North wind 5 to 10 mph in the evening becoming light and variable. Monday: Sunny. Highs around 80. Light and variable wind becoming west 5 to 10 mph in the afternoon. Monday Night: Partly cloudy with a chance of showers. Lows in the upper 50s. Chance of rain 40 percent. Tuesday: Partly sunny with a 50 percent chance of showers and thunderstorms. Highs around 80. Tuesday Night: Showers likely and a chance of thunderstorms. Lows in the middle 50s. Chance of rain 70 percent. Wednesday And Wednesday Night: Partly cloudy. Highs in the middle 70s. Lows in the upper 40s. Thursday: Mostly sunny. Highs in the middle 70s. Thursday Night: Partly cloudy. Lows in the lower 50s. Friday: Mostly sunny. Highs in the middle 70s. | |
| Zone Forecast: Marathon County | |
Visit your local NWS office at: https://www.weather.gov/grb |