10-Day Weather Forecast - Castleton, IL

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  • 45|44°F
    Cloudy
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    Today

    45°F

    Cloudy. A slight chance of rain and very light drizzle this afternoon. Near steady temperature in the mid 40s. East winds around 10 mph with gusts up to 20 mph. Chance of rain 20 percent.

    Tonight

    44°F

    Cloudy with a chance of drizzle. Areas of fog. Lows in the lower 40s. Temperature rising into the upper 40s after midnight. Southeast winds 5 to 10 mph.

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  • Day

    51°F

    Mostly cloudy in the morning then becoming partly sunny. Areas of fog in the morning. Highs in the mid 50s. West winds 5 to 10 mph.

    Night

    38°F

    Mostly cloudy. Lows in the upper 30s. Northwest winds around 5 mph becoming northeast after midnight.

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  • Weekend Weather

  • Day

    50°F

    Mostly cloudy. Highs in the mid 50s. Southeast winds 5 to 10 mph.

    Night

    48°F

    Mostly cloudy and not as cool. Near steady temperature around 50.

    Hourly details
  • Day

    54°F

    Mostly cloudy. A chance of rain in the morning then rain likely in the afternoon. Highs in the mid 50s. Temperature falling into the mid 40s in the afternoon. Chance of rain 60 percent.

    Night

    20°F

    Mostly cloudy in the evening then becoming partly cloudy. Brisk and much cooler with lows 10 to 15. Wind chill values as low as 5 below after midnight.

    Hourly details
  • Day

    22°F

    Mostly clear and brisk. Highs in the lower 20s. Lows 10 to 15. Wind chill values as low as 5 below.

    Night

    14°F

    Mostly clear and brisk. Highs in the lower 20s. Lows 10 to 15. Wind chill values as low as 5 below.

    Hourly details
  • Day

    28°F

    Partly cloudy. Highs around 30. Lows around 20. Wind chill values as low as zero.

    Night

    24°F

    Partly cloudy. Highs around 30. Lows around 20. Wind chill values as low as zero.

    Hourly details
  • Day

    31°F

    Partly sunny. Highs in the mid 30s. Temperature falling into the upper 20s in the afternoon.

    Night

    20°F

    Partly cloudy. Low temperature around 20F. Dew point will be around 11F with an average humidity of 62%. Winds will be 6 mph from the NW.

  • Day

    31°F

    Partly cloudy. High temperature around 31F. Dew point will be around 17F with an average humidity of 64%. Winds will be 2 mph from the W.

    Night

    27°F

    Partly cloudy. Low temperature around 27F. Dew point will be around 19F with an average humidity of 69%. Winds will be 4 mph from the SE.

  • Day

    34°F

    Mostly cloudy. High temperature around 34F. Dew point will be around 25F with an average humidity of 73%. Winds will be 6 mph from the SE.

    Night

    33°F

    Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 33F. Dew point will be around 30F with an average humidity of 84%. Winds will be 4 mph from the SE.

  • Weekend Weather

  • Day

    36°F

    Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 36F. Dew point will be around 31F with an average humidity of 84%. Winds will be 3 mph from the NW.

    Night

    27°F

    Cloudy with a slight chance of rain-snow mix. Chance of precipitation 30%. Low temperature around 27F. Dew point will be around 25F with an average humidity of 81%. Winds will be 5 mph from the N.