10-Day Weather Forecast - Tomball, TX

Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southeast winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 111.

Mostly cloudy. A chance of showers and thunderstorms after midnight. Humid with lows around 80. Southeast winds 5 to 10 mph. Chance of rain 40 percent. Heat index values up to 108 early in the evening.

Partly sunny with a chance of showers and thunderstorms. Humid with highs in the lower 90s. Southeast winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 107.

Mostly cloudy. A chance of showers after midnight. Humid with lows in the upper 70s. South winds 5 to 10 mph. Chance of rain 50 percent.

Mostly sunny. Highs in the lower 90s. Heat index values up to 105.

Mostly clear in the evening then becoming partly cloudy. Lows around 80.

Mostly sunny. Highs in the mid 90s. Heat index values up to 105.

Clear in the evening then becoming partly cloudy. Lows in the upper 70s. Heat index values up to 105 early in the evening.

Mostly sunny. Hot with highs in the mid 90s. Heat index values up to 110.

Partly cloudy. Lows in the upper 70s. Heat index values up to 105 early in the evening.

Mostly sunny. Hot with highs in the mid 90s. Heat index values up to 105.

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 70s. Heat index values up to 105 early in the evening.

Mostly sunny. Highs in the mid 90s. Heat index values up to 105.

Clear. Low temperature around 76F. Dew point will be around 73F with an average humidity of 79%. Winds will be 6 mph from the S.

Sunny with widely scattered thunderstorms. Chance of storms 25%. High temperature around 91F. Dew point will be around 74F with an average humidity of 68%. Winds will be 7 mph from the S.

Clear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 76F. Dew point will be around 74F with an average humidity of 79%. Winds will be 8 mph from the S.

Sunny. High temperature around 91F. Dew point will be around 74F with an average humidity of 69%. Winds will be 8 mph from the S.

Clear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 77F. Dew point will be around 74F with an average humidity of 80%. Winds will be 8 mph from the S.