10-Day Weather Forecast - Watertown, IL

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  • 58|43°F
    Mostly Sunny
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    Today

    58°F

    Mostly sunny early this morning then becoming mostly cloudy. Highs in the upper 50s. Southwest winds 15 to 20 mph with gusts up to 30 mph.

    Tonight

    43°F

    Cloudy. A slight chance of showers in the evening then a chance of showers after midnight. Lows in the upper 30s. West winds 5 to 10 mph. Chance of rain 40 percent.

    Hourly details
  • Day

    41°F

    A chance of sprinkles in the morning. Mostly cloudy with a chance of flurries. Much cooler with highs around 40. Temperature falling into the lower 30s in the afternoon. Northwest winds 15 to 20 mph with gusts up to 30 mph.

    Night

    19°F

    Partly cloudy in the evening then clearing. Much cooler with lows around 17. Northwest winds 10 to 15 mph with gusts up to 25 mph.

    Hourly details
  • Day

    29°F

    Sunny cooler with highs in the upper 20s. Northwest winds 5 to 10 mph becoming west in the afternoon.

    Night

    25°F

    Mostly cloudy. Lows in the lower 20s. Highs in the lower 40s.

    Hourly details
  • Day

    42°F

    Mostly cloudy. Lows in the lower 20s. Highs in the lower 40s.

    Night

    24°F

    Mostly cloudy. Lows in the lower 20s. Highs in the lower 40s.

    Hourly details
  • Weekend Weather

  • Day

    26°F

    Mostly cloudy. Highs in the upper 20s. Lows around 10 above. Wind chill values as low as zero.

    Night

    12°F

    Mostly cloudy. Highs in the upper 20s. Lows around 10 above. Wind chill values as low as zero.

    Hourly details
  • Day

    25°F

    Partly cloudy. Highs in the lower 20s. Lows around 10 above. Wind chill values as low as 5 below.

    Night

    17°F

    Partly cloudy. Highs in the lower 20s. Lows around 10 above. Wind chill values as low as 5 below.

    Hourly details
  • Day

    31°F

    Mostly sunny. Highs around 30. Wind chill values as low as zero in the morning.

    Night

    17°F

    Partly cloudy. Low temperature around 17F. Dew point will be around 8F with an average humidity of 61%. Winds will be 7 mph from the NW.

  • Day

    31°F

    Sunny. High temperature around 31F. Dew point will be around 12F with an average humidity of 58%. Winds will be 2 mph from the SW.

    Night

    24°F

    Clear. Low temperature around 24F. Dew point will be around 14F with an average humidity of 64%. Winds will be 4 mph from the S.

  • Day

    37°F

    Partly cloudy. High temperature around 37F. Dew point will be around 24F with an average humidity of 67%. Winds will be 7 mph from the S.

    Night

    33°F

    Cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 33F. Dew point will be around 28F with an average humidity of 80%. Winds will be 4 mph from the S.

  • Day

    41°F

    Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 41F. Dew point will be around 34F with an average humidity of 82%. Winds will be 5 mph from the SE.

    Night

    39°F

    Cloudy with a chance of rain. Chance of precipitation 55%. Low temperature around 39F. Dew point will be around 36F with an average humidity of 86%. Winds will be 4 mph from the SE.