National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 39.92°N 85.37°W (Text-Only)
NWS Forecast for: New Castle IN
Issued by: National Weather Service Indianapolis, IN
Last Update: 11:45 pm EDT Jun 16, 2026		Print

  • Tonight

    Tonight: Partly cloudy, with a low around 14. West southwest wind 8 to 11 km/h.

    Low: 14 °C

    Partly Cloudy



  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Some of the storms could be severe. Increasing clouds, with a high near 26. South wind 8 to 13 km/h increasing to 16 to 21 km/h in the afternoon. Winds could gust as high as 35 km/h. Chance of precipitation is 30%.

    High: 26 °C

    Mostly Sunny
    then Severe
    Thunderstorms

  • Wednesday
    Night

    Wednesday Night: Showers and thunderstorms, mainly before 3am. Some of the storms could be severe. Low around 19. West southwest wind 24 to 29 km/h, with gusts as high as 60 km/h. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 cm possible.

    Low: 19 °C

    Severe
    Thunderstorms


  • Thursday

    Thursday: Mostly sunny, with a high near 24. West southwest wind around 24 km/h, with gusts as high as 45 km/h.

    High: 24 °C

    Mostly Sunny



  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 14. West northwest wind 5 to 10 km/h becoming calm after midnight.

    Low: 14 °C

    Partly Cloudy



  • Juneteenth

    Juneteenth: Sunny, with a high near 23. West northwest wind 5 to 14 km/h, with gusts as high as 32 km/h.

    High: 23 °C

    Sunny



  • Friday
    Night

    Friday Night: Mostly clear, with a low around 13. Northwest wind 5 to 10 km/h becoming calm in the evening.

    Low: 13 °C

    Mostly Clear



  • Saturday

    Saturday: Sunny, with a high near 25. West wind 5 to 13 km/h.

    High: 25 °C

    Sunny



  • Saturday
    Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 15. Calm wind.

    Low: 15 °C

    Partly Cloudy
    then Slight
    Chance
    T-storms



    • Tonight: Partly cloudy, with a low around 14. West southwest wind 8 to 11 km/h.

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Some of the storms could be severe. Increasing clouds, with a high near 26. South wind 8 to 13 km/h increasing to 16 to 21 km/h in the afternoon. Winds could gust as high as 35 km/h. Chance of precipitation is 30%.

    Wednesday Night: Showers and thunderstorms, mainly before 3am. Some of the storms could be severe. Low around 19. West southwest wind 24 to 29 km/h, with gusts as high as 60 km/h. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 cm possible.

    Thursday: Mostly sunny, with a high near 24. West southwest wind around 24 km/h, with gusts as high as 45 km/h.

    Thursday Night: Partly cloudy, with a low around 14. West northwest wind 5 to 10 km/h becoming calm after midnight.

    Juneteenth: Sunny, with a high near 23. West northwest wind 5 to 14 km/h, with gusts as high as 32 km/h.

    Friday Night: Mostly clear, with a low around 13. Northwest wind 5 to 10 km/h becoming calm in the evening.

    Saturday: Sunny, with a high near 25. West wind 5 to 13 km/h.

    Saturday Night: A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 15. Calm wind.

    Sunday: A slight chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 25. Southeast wind 5 to 10 km/h. Chance of precipitation is 40%.

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 17. Chance of precipitation is 70%.

    Monday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 25.

    Monday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 16.

    Tuesday: A 10 percent chance of showers. Mostly sunny, with a high near 26.


    New Castle IN
     39.92°N 85.37°W (Elev. 1030 m)

    Visit your local NWS office at: https://www.weather.gov/ind