Newcastle, TX

Current conditions, hourly and 7-day forecast, and live radar for Newcastle, TX 76372. Right now: mostly clear, 76°F. Data from the National Weather Service.

• Tonight: Mostly clear. Low around 76, with temperatures rising to around 78 overnight. South southeast wind around 5 mph.
• Thursday: A chance of showers and thunderstorms after 10am. Mostly sunny. High near 100, with temperatures falling to around 96 in the afternoon. Heat index values as high as 102. South southwest wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
• Thursday Night: A chance of showers and thunderstorms before 1am. Mostly cloudy. Low around 74, with temperatures rising to around 76 overnight. Heat index values as high as 98. Southeast wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
• Friday: Mostly sunny. High near 101, with temperatures falling to around 99 in the afternoon. Heat index values as high as 105. South wind 0 to 10 mph.
• Friday Night: Mostly clear. Low around 76, with temperatures rising to around 78 overnight. South southeast wind 5 to 10 mph.
• Saturday: Sunny. High near 103, with temperatures falling to around 101 in the afternoon. South wind 5 to 10 mph, with gusts as high as 20 mph.