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City of New Castle, INNew Castle, IN 7-Day Weather Forecast
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New Castle Weather Forecast
New Castle, IN Weather Forecast Date: 228 AM EDT Tue Oct 06 2026
Weather forecast for New Castle, IN
Today Hi: 69°FHi: 21°C Lo: 49°F Lo: 9°C |
Today... Sunny. Highs in the upper 60s. Light and variable winds, becoming southeast around 5 mph. |
| Wed Hi: 79°FHi: 26°C Lo: 51°F Lo: 11°C |
Wednesday... Mostly sunny. Highs in the upper 70s. Southwest winds 5 to 10 mph with gusts up to 20 mph. |
| Thu Hi: 71°FHi: 22°C Lo: 49°F Lo: 9°C |
Thursday... Sunny. Highs in the lower 70s. Northwest winds 5 to 10 mph. |
| Fri Hi: 71°FHi: 22°C Lo: 49°F Lo: 9°C |
Friday... Clear. Lows in the upper 40s. Highs in the lower 70s. |
| Fri Hi: 71°FHi: 22°C Lo: 49°F Lo: 9°C |
Friday... Clear. Lows in the upper 40s. Highs in the lower 70s. |
| Sat Hi: 79°FHi: 26°C Lo: 55°F Lo: 13°C |
Saturday... Mostly sunny. Highs in the upper 70s. |
Sun Hi: 71°FHi: 22°C Lo: 55°F Lo: 13°C |
Sunday... Partly cloudy with a 40% chance of showers. Highs in the lower 70s. |
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