Watertown, IL 7-Day Weather Forecast

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Watertown, IL 7-Day Weather Forecast

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Watertown IL weather  - Clear - 57°F
Clear
57°F
Updated 8:29 pm
Feels Like 53°F
Humidity 67%
Wind SE 6 mph
Barometer  30.37 in
Dew Point 46°F
Watertown IL weather  - Clear - 14°C
Clear
14°C
Updated 8:29 pm
Feels Like 12°C
Humidity 67%
Wind SE 10 km/h
Barometer  102.8 kPa
Dew Point 8°C
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Watertown Weather Forecast

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Watertown, IL Weather Forecast Date: 720 PM CDT Sat Oct 24 2026

Weather forecast for Watertown, IL


Tonight
Watertown IL Weather for Tonight - Partly Cloudy
Lo: 49°F
Lo: 9°C
Tonight... Partly cloudy. Lows in the upper 40s. South winds around 5 mph.
Sun
Watertown IL Weather for Sunday - Partly Cloudy
Hi: 75°FHi: 24°C
Lo: 49°F
Lo: 9°C
Sunday... Partly cloudy. Highs in the mid 70s. South winds around 5 mph.
Mon
Watertown IL Weather for Monday - Mostly Cloudy
Hi: 69°FHi: 21°C
Lo: 45°F
Lo: 7°C
Monday... Mostly cloudy. Highs in the upper 60s. East winds 5 to 10 mph.
Tue
Watertown IL Weather for Tuesday - Mostly Cloudy
Hi: 71°FHi: 22°C
Lo: 51°F
Lo: 11°C
Tuesday... Mostly cloudy. Highs in the lower 70s.
Wed
Watertown IL Weather for Wednesday - Clearing
Hi: 75°FHi: 24°C
Lo: 55°F
Lo: 13°C
Wednesday... Partly cloudy in the morning, then clearing. Highs in the mid 70s.
Thu
Watertown IL Weather for Thursday - Partly Cloudy
Hi: 75°FHi: 24°C
Lo: 51°F
Lo: 11°C
Thursday... Partly cloudy. Highs in the mid 70s.
Fri
Watertown IL Weather for Friday - Mostly Cloudy
Hi: 75°FHi: 24°C
Lo: 55°F
Lo: 13°C
Friday... Mostly cloudy. Highs in the mid 70s.

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