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Marathon County Fairgrounds, WI Weather Forecast
Marathon County Fairgrounds, WI Weather Forecast Date: 622 PM CDT Tue Aug 18 2026
The area/counties/county of: Marathon, including the city of Wausau.or toggle through each period.
Tonight... Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows around 50. Northwest wind 5 to 10 mph in the evening becoming light and variable. Chance of rain 20%.
Wednesday... Sunny. Highs in the upper 70s. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.
Wednesday Night... Clear. Lows in the lower 50s. Light and variable wind.
Thursday... Mostly sunny in the morning, then partly cloudy with a chance of showers in the afternoon. Highs around 80. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Chance of rain 30%.
Thursday Night... Showers likely and a chance of thunderstorms. Lows in the upper 50s. South wind 5 to 10 mph. Chance of rain 70%.
Friday... Partly cloudy with a 50% chance of showers and thunderstorms. Highs in the upper 70s.
Friday Night... Mostly clear. Lows in the middle 50s. Highs in the upper 70s.
Saturday... Mostly clear. Lows in the middle 50s. Highs in the upper 70s.
Saturday Night... Clear. Lows around 50.
Sunday... Mostly sunny. Highs in the upper 70s.
Sunday Night... Partly cloudy. Lows in the lower 50s. Highs in the upper 70s.
Monday... Partly cloudy. Lows in the lower 50s. Highs in the upper 70s.
Monday Night... Partly cloudy. Lows in the upper 50s. Highs around 80.
POP = Probability of Precipitation
Marathon County Fairgrounds Radar Loop
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