| NWS Forecast for: New Castle IN Issued by: National Weather Service Indianapolis, IN Last Update: 1:15 am EDT Jun 18, 2026 | |
Overnight: Showers likely and possibly a thunderstorm before 2am, then scattered showers and thunderstorms, mainly between 2am and 3am. Some of the storms could be severe. Mostly cloudy, with a low around 65. West southwest wind 13 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Thursday: Increasing clouds, with a high near 75. West southwest wind 11 to 13 mph, with gusts as high as 26 mph. Thursday Night: Mostly cloudy, then gradually becoming clear, with a low around 56. Northwest wind around 5 mph becoming calm in the evening. Juneteenth: Sunny, with a high near 75. Calm wind becoming west northwest 5 to 8 mph in the morning. Winds could gust as high as 18 mph. Friday Night: Mostly clear, with a low around 57. West northwest wind around 5 mph becoming calm in the evening. Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 78. Calm wind becoming west 5 to 7 mph in the morning. Saturday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 60. Light and variable wind. Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 78. Southeast wind 3 to 7 mph. Chance of precipitation is 60%. Sunday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 63. East southeast wind 7 to 10 mph becoming south southwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%. Monday: Showers likely, with thunderstorms also possible after 2pm. Partly sunny, with a high near 76. North northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Monday Night: A slight chance of thunderstorms. Partly cloudy, with a low around 57. Chance of precipitation is 10%. Tuesday: Mostly sunny, with a high near 76. Tuesday Night: Partly cloudy, with a low around 58. Wednesday: Mostly sunny, with a high near 78. | |
| New Castle IN 39.92°N 85.37°W (Elev. 1030 ft) | |
Visit your local NWS office at: https://www.weather.gov/ind |