| NWS Forecast for: New Castle IN Issued by: National Weather Service Indianapolis, IN Last Update: 1:15 pm EDT Jul 21, 2026 | |
This Afternoon: Mostly sunny, with a high near 28. West wind 14 to 18 km/h, with gusts as high as 35 km/h. Tonight: Partly cloudy, with a low around 15. North wind 8 to 13 km/h, with gusts as high as 29 km/h. Wednesday: Sunny, with a high near 22. North wind around 11 km/h. Wednesday Night: Mostly clear, with a low around 11. North wind 5 to 8 km/h becoming calm in the evening. Thursday: Sunny, with a high near 23. Northeast wind 3 to 8 km/h. Thursday Night: Partly cloudy, with a low around 12. Calm wind. Friday: Partly sunny, with a high near 24. Calm wind. Friday Night: Partly cloudy, with a low around 15. Calm wind. Saturday: Sunny, with a high near 27. Calm wind. Saturday Night: Mostly clear, with a low around 17. Calm wind. Sunday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 30. Sunday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 19. Monday: Mostly sunny, with a high near 29. | |
| New Castle IN 39.92°N 85.37°W (Elev. 1030 m) | |
Visit your local NWS office at: https://www.weather.gov/ind |