10-Day Weather Forecast - New Castle, IL

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  • |42°F
    Thunderstorms
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    Tonight

    42°F

    Showers with a chance of thunderstorms. Lows in the lower 40s. Temperature rising into the upper 40s. East winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 90 percent.

    Hourly details
  • Day

    70°F

    A chance of thunderstorms. Showers breezy and not as cool. More humid with highs in the lower 70s. South winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 80 percent.

    Night

    51°F

    Showers likely with a chance of thunderstorms in the evening then partly cloudy after midnight. Breezy and not as cool with lows in the lower 50s. Southwest winds 15 to 25 mph with gusts up to 40 mph becoming west 10 to 15 mph with gusts up to 30 mph after midnight. Chance of rain 70 percent.

    Hourly details
  • Day

    72°F

    Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. South winds 10 to 15 mph. Chance of rain 50 percent.

    Night

    61°F

    A chance of thunderstorms. Showers. Lows in the lower 50s. South winds 10 to 15 mph. Chance of rain 90 percent.

    Hourly details
  • Weekend Weather

  • Day

    59°F

    Showers likely mainly in the morning. Much cooler with highs around 60. Chance of rain 60 percent.

    Night

    37°F

    Partly cloudy. Lows in the mid 30s. Highs in the lower 50s.

    Hourly details
  • Day

    52°F

    Partly cloudy. Lows in the mid 30s. Highs in the lower 50s.

    Night

    37°F

    Mostly clear. Lows in the mid 30s. Highs in the upper 50s.

    Hourly details
  • Day

    58°F

    Mostly clear. Lows in the mid 30s. Highs in the upper 50s.

    Night

    37°F

    Partly cloudy. Lows in the mid 30s. Highs in the lower 50s.

    Hourly details
  • Day

    51°F

    Partly cloudy. Lows in the mid 30s. Highs in the lower 50s.

    Night

    39°F

    Partly cloudy. Lows in the mid 30s. Highs in the lower 50s.

    Hourly details
  • Day

    61°F

    Mostly sunny. Not as cool with highs in the lower 60s.

    Night

    50°F

    Mostly cloudy. Low temperature around 50F. Dew point will be around 47F with an average humidity of 79%. Winds will be 10 mph from the S.

  • Day

    58°F

    Cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 58F. Dew point will be around 50F with an average humidity of 83%. Winds will be 4 mph from the S.

    Night

    42°F

    Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 42F. Dew point will be around 43F with an average humidity of 83%. Winds will be 1 mph from the N.

  • Day

    53°F

    Cloudy with a chance of rain. Chance of precipitation 50%. High temperature around 53F. Dew point will be around 43F with an average humidity of 81%. Winds will be 2 mph from the NE.

    Night

    41°F

    Cloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 41F. Dew point will be around 40F with an average humidity of 82%. Winds will be 1 mph from the E.