The long-range forecast for Katy predicts a heatwave, with temperatures reaching up to 40°, significantly higher than typical for Katy for this time of the year and 3.3 °C above the historical average.
Select a month and click on a day for more information:
Thursday
Oct 1
37° / 23°
Friday
Oct 2
32° / 21°
Saturday
Oct 3
31° / 22°
Sunday
Oct 4
33° / 21°
Monday
Oct 5
33° / 20°
Tuesday
Oct 6
32° / 20°
Wednesday
Oct 7
31° / 19°
Thursday
Oct 8
31° / 19°
Friday
Oct 9
32° / 18°
Saturday
Oct 10
31° / 19°
Sunday
Oct 11
31° / 19°
Monday
Oct 12
31° / 19°
Tuesday
Oct 13
32° / 20°
Wednesday
Oct 14
32° / 19°
Thursday
Oct 15
31° / 19°
Friday
Oct 16
25° / 16°
Saturday
Oct 17
26° / 14°
Sunday
Oct 18
26° / 16°
Monday
Oct 19
28° / 15°
Tuesday
Oct 20
31° / 15°
Wednesday
Oct 21
31° / 17°
Thursday
Oct 22
29° / 18°
Friday
Oct 23
30° / 20°
Saturday
Oct 24
29° / 21°
Sunday
Oct 25
27° / 20°
Monday
Oct 26
28° / 20°
Tuesday
Oct 27
30° / 18°
Wednesday
Oct 28
28° / 19°
Thursday
Oct 29
25° / 15°
Friday
Oct 30
22° / 11°
Saturday
Oct 31
24° / 15°
Katy 30 days weather forecast
Check out our estimated 30 days weather forecast for Katy, this data is based on the average weather in Katy in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Katy next to the desired date.