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Marathon, WI Weather Forecast
Marathon, WI Weather Forecast Date: 527 AM CDT Sat Sep 05 2026
The area/counties/county of: Marathon, including the city of Wausau.or toggle through each period.
Today... Partly sunny. Areas of fog in the morning. Highs in the upper 70s. East wind 5 to 10 mph.
Tonight... Cooler. Mostly clear. Patchy fog after midnight. Lows in the middle 50s. Light and variable wind.
Sunday... Partly cloudy. Patchy fog in the morning. Highs in the upper 70s. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Sunday Night... Partly cloudy. Lows in the middle 50s. Light and variable wind.
Labor Day... Partly sunny. Highs in the upper 70s. Southeast wind 5 to 10 mph.
Monday Night... Mostly cloudy with a 50% chance of showers. Lows around 60.
Tuesday... Humid. Showers and a chance of thunderstorms. Highs around 80. Chance of rain 80%.
Tuesday Night... Showers likely and a chance of thunderstorms. Lows in the lower 60s. Chance of rain 70%.
Wednesday... Breezy. Partly cloudy. Highs in the middle 70s.
Wednesday Night... Mostly clear. Lows in the lower 50s. Highs in the middle 70s.
Thursday... Mostly clear. Lows in the lower 50s. Highs in the middle 70s.
POP = Probability of Precipitation
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