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Marathon, WI 7-Day Weather Forecast
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Marathon Weather Forecast
Marathon, WI Weather Forecast Date: 333 PM CDT Wed Oct 21 2026
Weather forecast for Marathon, WI
Afternoon Hi: 70°FHi: 21°C Lo: 41°F Lo: 5°C |
Rest Of The Afternoon... Mostly sunny. Temperatures near 70. Southwest wind 5 to 10 mph. |
| Thu Hi: 69°FHi: 21°C Lo: 49°F Lo: 9°C |
Thursday... Mostly sunny. Areas of fog in the morning. Highs in the upper 60s. Light and variable wind. |
Fri Hi: 69°FHi: 21°C Lo: 51°F Lo: 11°C |
Friday... Partly sunny. Highs in the upper 60s. Southeast wind 5 to 10 mph. |
| Sat Hi: 70°FHi: 21°C Lo: 51°F Lo: 11°C |
Saturday... Mostly cloudy. Highs around 70. Lows in the lower 50s. |
| Sun Hi: 65°FHi: 18°C Lo: 41°F Lo: 5°C |
Sunday... Mostly cloudy. Highs in the middle 60s. |
Mon Hi: 51°FHi: 11°C Lo: 35°F Lo: 2°C |
Monday... Cooler. Mostly cloudy with a 30% chance of showers. Lows in the lower 40s. Highs in the lower 50s. |
| Tue Hi: 51°FHi: 11°C Lo: 39°F Lo: 4°C |
Tuesday... Mostly cloudy. A 30% chance of rain showers. Lows in the middle 30s. Highs in the lower 50s. |
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