10-Day Weather Forecast - Katy, TX

Sunny hot with highs in the mid 90s. South winds around 5 mph. Heat index values up to 106.

Mostly clear. Humid with lows in the mid 70s. South winds around 5 mph.

Sunny hot with highs in the upper 90s. West winds around 5 mph.

Mostly clear. Lows in the mid 70s. Southwest winds around 5 mph.

Mostly sunny. Hot with highs in the upper 90s.

Partly cloudy. Lows in the upper 70s.

Partly sunny. Hot with highs in the mid 90s.

Partly cloudy. Lows in the upper 70s.

Mostly sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of rain 40 percent. 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. A chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of rain 50 percent. Heat index values up to 110.

Partly cloudy. Lows in the upper 70s.

Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 50 percent.

Clear with a 35% chance for rain and thunderstorms. Low temperature around 78F. Dew point will be around 76F with an average humidity of 81%. Winds will be 6 mph from the S.

Sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 98F. Dew point will be around 79F with an average humidity of 72%. Winds will be 4 mph from the S.

Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 76F. Dew point will be around 76F with an average humidity of 80%. Winds will be 6 mph from the S.

Sunny with a 25% chance for rain and thunderstorms. High temperature around 98F. Dew point will be around 78F with an average humidity of 72%. Winds will be 5 mph from the S.

Clear with a 30% chance for rain and thunderstorms. Low temperature around 76F. Dew point will be around 76F with an average humidity of 79%. Winds will be 7 mph from the S.