Weather in Katy, Texas, United States

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7-Day Detailed Weather Forecast for Katy

This Afternoon

Temperature: 99°F

Wind Speed: 10 mph

Wind Direction: S

Forecast: A slight chance of showers and thunderstorms. Sunny. High near 99, with temperatures falling to around 96 in the afternoon. Heat index values as high as 107. South wind around 10 mph. Chance of precipitation is 20%.

Tonight

Temperature: 77°F

Wind Speed: 5 to 10 mph

Wind Direction: S

Forecast: A slight chance of showers and thunderstorms before 10pm, then patchy fog. Mostly clear, with a low around 77. Heat index values as high as 104. South wind 5 to 10 mph. Chance of precipitation is 20%.

Thursday

Temperature: 98°F

Wind Speed: 5 to 10 mph

Wind Direction: S

Forecast: Patchy fog before 8am, then a slight chance of showers and thunderstorms. Sunny. High near 98, with temperatures falling to around 93 in the afternoon. Heat index values as high as 105. South wind 5 to 10 mph. Chance of precipitation is 20%.

Thursday Night

Temperature: 77°F

Wind Speed: 5 to 10 mph

Wind Direction: S

Forecast: A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 77. Heat index values as high as 101. South wind 5 to 10 mph. Chance of precipitation is 20%.

Friday

Temperature: 97°F

Wind Speed: 5 to 10 mph

Wind Direction: S

Forecast: A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 97. South wind 5 to 10 mph. Chance of precipitation is 20%.

Friday Night

Temperature: 77°F

Wind Speed: 5 to 10 mph

Wind Direction: S

Forecast: A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 77. Chance of precipitation is 20%.

Saturday

Temperature: 97°F

Wind Speed: 0 to 10 mph

Wind Direction: SE

Forecast: Sunny, with a high near 97.

Saturday Night

Temperature: 76°F

Wind Speed: 0 to 10 mph

Wind Direction: SE

Forecast: Mostly clear, with a low around 76.

Sunday

Temperature: 96°F

Wind Speed: 0 to 10 mph

Wind Direction: SE

Forecast: A slight chance of showers and thunderstorms after 7am. Sunny, with a high near 96. Chance of precipitation is 20%.

Sunday Night

Temperature: 77°F

Wind Speed: 0 to 10 mph

Wind Direction: SE

Forecast: A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 77. Chance of precipitation is 20%.

Monday

Temperature: 96°F

Wind Speed: 0 to 10 mph

Wind Direction: SE

Forecast: A slight chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 96. Chance of precipitation is 20%.

Monday Night

Temperature: 77°F

Wind Speed: 5 to 10 mph

Wind Direction: S

Forecast: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 77. Chance of precipitation is 20%.

Tuesday

Temperature: 96°F

Wind Speed: 5 to 10 mph

Wind Direction: S

Forecast: A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Sunny, with a high near 96. Chance of precipitation is 20%.

Tuesday Night

Temperature: 77°F

Wind Speed: 5 to 15 mph

Wind Direction: S

Forecast: A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 77.