47362 Weather (New Castle, IN)

Weather forecast for: New Castle IN

Last Update: 12:15 am EDT Sep 19, 2026

Overnight: Partly cloudy, with a low around 61. East wind around 7 mph.

Saturday: Scattered rain and thunderstorms before 10am, then scattered showers and thunderstorms between 10am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 83. East southeast wind around 8 mph becoming south in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night: Showers and thunderstorms likely before 11pm, then scattered showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 67. South wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Sunday: A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy through mid morning, then becoming sunny, with a high near 83. Light and variable wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night: A chance of showers and thunderstorms, then showers likely after 11pm. Mostly cloudy, with a low around 59. East northeast wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 71. East northeast wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Cloudy, with a low around 54. Northeast wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

Tuesday: A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 69. Northeast wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

Tuesday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 55. Northeast wind 5 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

Wednesday: Mostly cloudy, with a high near 69. North northeast wind around 7 mph.

Wednesday Night: Mostly cloudy, with a low around 54.

Thursday: Partly sunny, with a high near 70.

Thursday Night: Mostly cloudy, with a low around 54.

Friday: Partly sunny, with a high near 71.