Weather in New Castle, IN
Updated 2026-09-26 11:00 local time · ZIP codes 47362
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
58°4% rain61°3% rain63°2% rain65°2% rain66°2% rain66°2% rain65°2% rain
64°6% rain
64°16% rain
59°11% rain
57°18% rain
56°9% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 18%).
It feels like 52°F with winds near 7 mph.
66°F, 2% rain chance and 6 mph wind.
Visibility is around 6 mi; gusts may reach 11 mph.
Current temperature is 58°F, wind 7 mph, rain chance up to 18%.
UV index is 3.
Local weather characteristics in New Castle
Indiana has a humid continental-to-subtropical transition, with warm humid summers, cold winters and frequent changes as weather systems move through the Midwest.
New Castle is part of the Midwest weather region. The forecast point is near 39.93°N latitude and 85.37°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
New Castle weather today
Sunny and 58°F in New Castle, IN. Today's high is 66°F with a 8% rain chance. Winds are around 7 mph with gusts near 10 mph. Relative humidity is 61%, pressure is 30.20 inHg, and visibility is about 6 miles.
Tonight and tomorrow in New Castle
Sunrise is at 07:33 AM and sunset is at 07:32 PM. Tomorrow's forecast calls for Sunny with a high near 67°F and a low near 50°F. The maximum rain chance is 5%.