Katy, TX 14 Day Weather - 77449 WeatherWorld.com
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Katy, TX Weather Forecast


Katy, TX Weather Forecast Dated: 435 PM Tue Sep 08 2026
Expect a hot stretch with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate. A few thunderstorms possible.
Tuesday, September 8, 2026
Mid-Morning
83°F 28°C
Sunny
Mid-Afternoon
87°F 30°C
Scattered Showers
Early-Evening
79°F 26°C
Light Rain
Warm and summery around 87°F 30°C (feels like 97°F 36°C), periods of heavy rain and gusty conditions, with steady humidity and steady pressure. A stray shower or storm late in the day. Winds turning from the S to the SE at 10 mph 15 km/h.
Wednesday, September 9, 2026
Mid-Morning
83°F 29°C
Sunny
Mid-Afternoon
95°F 35°C
Overcast
Early-Evening
87°F 31°C
Nearby Thunderstorms
Hot and sweltering around 95°F 35°C (heat index 102°F 39°C), locally heavy thunderstorms at times, with lower humidity and barometric pressure falling. Winds switching from the SSE to the SE at 9 mph 15 km/h.
Thursday, September 10, 2026
Mid-Morning
82°F 28°C
Partly Cloudy
Mid-Afternoon
96°F 35°C
Cloudy
Early-Evening
90°F 32°C
Scattered Showers
Very hot with a high of 96°F 35°C, feeling closer to 101°F 38°C in the humidity, locally heavy downpours at times, with lower humidity and barometric pressure falling. Winds moving from the S to the SSE at 10 mph 16 km/h.
Friday, September 11, 2026
Mid-Morning
82°F 28°C
Nearby Thunderstorms
Mid-Afternoon
97°F 36°C
Nearby Thunderstorms
Early-Evening
85°F 29°C
Nearby Thunderstorms
Sizzling hot near 97°F 36°C with a heat index reaching 105°F 40°C, periods of heavy thunderstorms, with lower humidity and steady pressure. A stray shower or storm late in the day. Winds swinging from the SSW to the S at 10 mph 15 km/h.
Saturday, September 12, 2026
Mid-Morning
79°F 26°C
Nearby Thunderstorms
Mid-Afternoon
83°F 28°C
Overcast
Early-Evening
88°F 31°C
Overcast
Quite warm reaching 83°F 28°C, feeling like 90°F 32°C during peak afternoon, locally heavy thunderstorms at times, with lower humidity and steady pressure. Winds building from SSW at 5 mph 8 km/h to SSE at 13 mph 21 km/h. Gusts up to 23 mph 36 km/h.
Sunday, September 13, 2026
Mid-Morning
84°F 29°C
Cloudy
Mid-Afternoon
98°F 37°C
Sunny
Early-Evening
89°F 32°C
Sunny
Very hot with a high of 98°F 37°C, feeling closer to 105°F 40°C in the humidity, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the SSE to the SE at 14 mph 22 km/h.
Monday, September 14, 2026
Mid-Morning
85°F 29°C
Sunny
Mid-Afternoon
99°F 37°C
Sunny
Early-Evening
89°F 32°C
Partly Cloudy
Sizzling hot near 99°F 37°C with a heat index reaching 105°F 40°C, sunny throughout the day, with lower humidity and steady pressure. Winds switching from the SSE to the SE at 13 mph 22 km/h.
Tuesday, September 15, 2026
Mid-Morning
85°F 29°C
Sunny
Mid-Afternoon
92°F 33°C
Scattered Showers
Early-Evening
87°F 31°C
Overcast
Hot and sweltering around 92°F 33°C (heat index 99°F 37°C), scattered downpours possible, with lower humidity and steady pressure. Winds moving from the SSE to the SE at 13 mph 21 km/h.
Wednesday, September 16, 2026
Mid-Morning
84°F 29°C
Sunny
Mid-Afternoon
98°F 37°C
Sunny
Early-Evening
89°F 32°C
Overcast
Very hot with a high of 98°F 37°C, feeling closer to 102°F 39°C in the humidity, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds swinging from the SSE to the SE at 13 mph 21 km/h.
Thursday, September 17, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
97°F 36°C
Sunny
Early-Evening
89°F 32°C
Sunny
Sizzling hot near 97°F 36°C with a heat index reaching 100°F 38°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds out of the ESE at 11 mph 17 km/h.
Friday, September 18, 2026
Mid-Morning
85°F 29°C
Overcast
Mid-Afternoon
89°F 32°C
Scattered Showers
Early-Evening
83°F 28°C
Scattered Showers
Quite warm reaching 89°F 32°C, feeling like 95°F 35°C during peak afternoon, scattered downpours possible, with steady humidity and steady pressure. Winds turning from the E to the SE at 8 mph 12 km/h.
Saturday, September 19, 2026
Mid-Morning
83°F 28°C
Partly Cloudy
Mid-Afternoon
91°F 33°C
Partly Cloudy
Early-Evening
86°F 30°C
Scattered Showers
Very hot with a high of 91°F 33°C, feeling closer to 98°F 36°C in the humidity, locally heavy downpours at times, with lower humidity and steady pressure. Winds switching from the SSE to the SE at 11 mph 17 km/h.
Sunday, September 20, 2026
Mid-Morning
73°F 23°C
Cloudy
Mid-Afternoon
85°F 30°C
Cloudy
Early-Evening
79°F 26°C
Overcast
Warm and summery around 85°F 30°C (feels like 89°F 32°C), partly cloudy in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds moving from the SE to the ESE at 10 mph 17 km/h.
Monday, September 21, 2026
Mid-Morning
77°F 25°C
Sunny
Mid-Afternoon
90°F 32°C
Cloudy
Early-Evening
85°F 30°C
Cloudy
Hot and sweltering around 90°F 32°C (heat index 94°F 34°C), sunny in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure.
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