Weather WorldNew Castle, IL Weather Forecast
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New Castle Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
 |  | | |  |  | |  |  |  |  |  |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Partly Sunny | Chance of T-Storm | Chance of Showers | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear |
| Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 71°FHi: 22°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C Lo: 51°FLo: 11°C |
| POP: 50% | POP: 80% | POP: 90% | POP: 90% | POP: 40% | POP: 70% | POP: 90% |
POP = Probability of Precipitation.
Weather Outlook Updated: 933 PM CST Tue Mar 03 2026 
New Castle Radar Loop
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