| NWS Forecast for: New Castle IN Issued by: National Weather Service Indianapolis, IN Last Update: 4:31 am EDT May 15, 2026 | |
| Today: Showers likely between noon and 1pm. Increasing clouds, with a high near 67. Calm wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 60%. Tonight: A 10 percent chance of showers after 5am. Partly cloudy, with a low around 57. South wind 6 to 8 mph, with gusts as high as 20 mph. Saturday: A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 10am, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 79. South southwest wind 10 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Saturday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 63. South wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Sunday: A 30 percent chance of showers before 8am. Mostly sunny, with a high near 84. South southwest wind 6 to 9 mph, with gusts as high as 20 mph. Sunday Night: Mostly clear, with a low around 66. South wind 6 to 8 mph, with gusts as high as 21 mph. Monday: A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 87. South southwest wind 8 to 13 mph, with gusts as high as 26 mph. Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 69. South wind around 9 mph, with gusts as high as 22 mph. Tuesday: A chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 85. South southwest wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. Tuesday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 64. Southwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. Wednesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 75. Wednesday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Thursday: Mostly sunny, with a high near 72. | |
| New Castle IN 39.92°N 85.37°W (Elev. 1030 ft) | |
Visit your local NWS office at: https://www.weather.gov/ind |