10-Day Weather Forecast - Newcastle, TX

Sunny, hot with highs around 100. South winds 5 to 10 mph. Heat index values up to 106.

Clear. Lows in the lower 70s. Southeast winds 5 to 10 mph.

Sunny, hot with highs around 100. Southeast winds 5 to 10 mph. Heat index values up to 106.

Mostly clear. Lows in the mid 70s. Southeast winds 5 to 10 mph.

Sunny, hot with highs around 100. Heat index values up to 105.

Mostly clear. Lows in the mid 70s.

Sunny, hot with highs around 100. Heat index values up to 105.

Mostly clear. Lows in the mid 70s.

Sunny, hot with highs around 100. Heat index values up to 105.

Mostly clear. Lows in the mid 70s.

Sunny, hot with highs around 100. Heat index values up to 105.

Mostly clear. Lows in the mid 70s.

Sunny, hot with highs in the upper 90s.

Mostly clear. Low temperature around 78F. Dew point will be around 66F with an average humidity of 52%. Winds will be 8 mph from the S.

Sunny. High temperature around 100F. Dew point will be around 67F with an average humidity of 51%. Winds will be 9 mph from the S.

Clear. Low temperature around 76F. Dew point will be around 66F with an average humidity of 53%. Winds will be 10 mph from the S.

Sunny. High temperature around 99F. Dew point will be around 69F with an average humidity of 55%. Winds will be 10 mph from the S.

Clear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 75F. Dew point will be around 67F with an average humidity of 56%. Winds will be 9 mph from the S.