Casco, WI 7-Day Weather Forecast
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Casco Weather Forecast


Casco, WI Weather Forecast Date: 122 AM CDT Tue Sep 08 2026
Weather forecast for Casco, WI
| Tonight Lo: 65°F Lo: 18°C |
Tonight... Mostly cloudy. Nearly steady temperature in the mid 60s. South wind 5 to 10 mph. |
| Tue Hi: 75°FHi: 24°C Lo: 69°F Lo: 21°C |
Tuesday... Humid. Mostly cloudy. A slight chance of showers in the morning, then a chance of showers and a slight chance of thunderstorms in the afternoon. Highs in the middle 70s. South wind 10 to 15 mph. Chance of rain 40%. |
| Wed Hi: 80°FHi: 27°C Lo: 59°F Lo: 15°C |
Wednesday... Breezy. Humid. Mostly cloudy in the morning then clearing. Highs around 80. West wind 10 to 15 mph increasing to 15 to 25 mph in the afternoon. |
| Thu Hi: 75°FHi: 24°C Lo: 55°F Lo: 13°C |
Thursday... Clear. Highs in the middle 70s. Lows in the middle 50s. |
| Fri Hi: 75°FHi: 24°C Lo: 55°F Lo: 13°C |
Friday... Clear. Highs in the middle 70s. Lows in the middle 50s. |
| Fri Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Friday... Clear. Highs in the middle 70s. Lows in the middle 50s. |
| Sat Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Saturday... Partly cloudy. Highs in the middle 70s. Lows in the upper 50s. |
| Sun Hi: 71°FHi: 22°C Lo: 55°F Lo: 13°C |
Sunday... Partly sunny with a 30% chance of showers. Highs in the lower 70s. |
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