| NWS Forecast for: Marathon County Issued by: National Weather Service Green Bay, WI Last Update: 542 AM CDT Fri Oct 9 2026 | |
| Today: Mostly sunny. Highs in the upper 60s. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Tonight: Warmer. Partly cloudy. Lows in the lower 50s. Southeast wind 5 to 10 mph. Saturday: Breezy. Warmer. Sunny. Highs around 80. South wind 10 to 15 mph increasing to 15 to 25 mph in the afternoon. Saturday Night And Sunday: Clear. Lows in the middle 50s. Highs in the upper 70s. South wind 10 to 15 mph. Sunday Night And Columbus Day: Mostly cloudy. Lows in the upper 50s. Highs in the middle 70s. Monday Night: Mostly cloudy with a 40 percent chance of showers. Lows in the upper 40s. Tuesday: Cooler. Partly cloudy. Highs in the lower 60s. Tuesday Night: Mostly clear. Lows around 40. Wednesday: Partly sunny. Highs in the lower 60s. Wednesday Night: Showers likely. Lows in the middle 40s. Chance of rain 70 percent. Thursday: Blustery. Showers likely. Highs in the middle 60s. Chance of rain 60 percent. | |
| Zone Forecast: Marathon County | |
Visit your local NWS office at: https://www.weather.gov/grb |