Weather WorldWatertown, IL 7-Day Weather Forecast
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Watertown Weather Forecast
Watertown, IL Weather Forecast Date: 931 PM CDT Thu Oct 29 2026
Weather forecast for Watertown, IL
Tonight Lo: 39°F Lo: 4°C |
Tonight... Clear, cooler. Lows in the upper 30s. Light and variable winds, becoming northeast around 5 mph after midnight. |
Fri Hi: 59°FHi: 15°C Lo: 45°F Lo: 7°C |
Friday... Mostly cloudy. A chance of showers in the afternoon. Highs in the upper 50s. East winds 5 to 10 mph. Chance of precipitation 30%. |
Sat Hi: 60°FHi: 16°C Lo: 49°F Lo: 9°C |
Saturday... Cloudy. Showers, mainly in the morning. Highs around 60. Southeast winds 5 to 10 mph. Chance of precipitation 90%. |
| Sun Hi: 69°FHi: 21°C Lo: 51°F Lo: 11°C |
Sunday... Mostly cloudy with a 20% chance of showers. Highs in the upper 60s. |
| Mon Hi: 65°FHi: 18°C Lo: 55°F Lo: 13°C |
Monday... Mostly cloudy with a 50% chance of showers. Highs in the mid 60s. |
| Tue Hi: 70°FHi: 21°C Lo: 55°F Lo: 13°C |
Tuesday... Showers likely. Highs around 70. Chance of precipitation 70%. |
| Wed Hi: 65°FHi: 18°C Lo: 49°F Lo: 9°C |
Wednesday... Showers likely. Highs in the mid 60s. Chance of precipitation 70%. |
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