10-Day Weather Forecast for Katy (TX)

Six-hourly outlook through Tuesday 21 July. Updated every three hours via MET Norway.

Day
Night
01:00
Morning
07:00
Afternoon
13:00
Evening
19:00
Sunday
12 Jul
Heavy rain
31°C (88°F)
7.7 mm (0.3 in)
Partly cloudy
28°C (82°F)
0 mm (0 in)
Hourly ›
Monday
13 Jul
Rain showers
25°C (77°F)
3.7 mm (0.1 in)
Heavy rain
23°C (73°F)
10 mm (0.4 in)
Heavy rain
27°C (81°F)
5.1 mm (0.2 in)
Cloudy
26°C (79°F)
0 mm (0 in)
Hourly ›
Tuesday
14 Jul
Rain
25°C (77°F)
2.1 mm (0.1 in)
Rain
25°C (77°F)
2.5 mm (0.1 in)
Heavy rain
26°C (79°F)
8.1 mm (0.3 in)
Cloudy
27°C (81°F)
0 mm (0 in)
Hourly ›
Wednesday
15 Jul
Light rain
25°C (77°F)
0.6 mm (0.02 in)
Heavy rain
25°C (77°F)
6.5 mm (0.3 in)
Cloudy
26°C (79°F)
0 mm (0 in)
Cloudy
28°C (82°F)
0 mm (0 in)
Hourly ›
Thursday
16 Jul
Cloudy
25°C (77°F)
0.4 mm (0.02 in)
Cloudy
23°C (73°F)
0.2 mm (0.01 in)
Rain
31°C (88°F)
1.3 mm (0.1 in)
Cloudy
29°C (84°F)
0 mm (0 in)
Hourly ›
Friday
17 Jul
Cloudy
26°C (79°F)
0 mm (0 in)
Partly cloudy
24°C (75°F)
0.3 mm (0.01 in)
Rain showers
32°C (90°F)
1.6 mm (0.1 in)
Mostly clear
30°C (86°F)
0 mm (0 in)
Hourly ›
Saturday
18 Jul
Mostly clear
25°C (77°F)
0 mm (0 in)
Partly cloudy
24°C (75°F)
0.1 mm (0 in)
Mostly sunny
32°C (90°F)
0 mm (0 in)
Mostly clear
32°C (90°F)
0 mm (0 in)
Hourly ›
Sunday
19 Jul
Clear skies
26°C (79°F)
0 mm (0 in)
Cloudy
24°C (75°F)
0 mm (0 in)
Clear skies
31°C (88°F)
0 mm (0 in)
Clear skies
32°C (90°F)
0 mm (0 in)
Hourly ›
Monday
20 Jul
Clear skies
26°C (79°F)
0 mm (0 in)
Clear skies
24°C (75°F)
0 mm (0 in)
Clear skies
33°C (91°F)
0 mm (0 in)
Clear skies
33°C (91°F)
0 mm (0 in)
Hourly ›
Tuesday
21 Jul
Clear skies
26°C (79°F)
0 mm (0 in)
Clear skies
24°C (75°F)
0 mm (0 in)
Clear skies
34°C (93°F)
0 mm (0 in)
Hourly ›
Data from MET Norway · Updated every three hours.

What's the weather in Katy this week?

Today's weather - Sunday 12 Jul

For the rest of Sunday the predicted weather in Katy is heavy rain during the afternoon. The temperature will be around 31°C (88°F).

Tomorrow's weather - Monday 13 Jul

On Monday, Katy will be heavy rain throughout the day. Temperatures will range from a warm 23°C (73°F) to a warm 27°C (81°F).

10-Day Weather Forecast

During the next 10 days, temperatures will reach 32°C (90°F) on Friday before declining again, with average highs of 30°C (86°F) and lows of 24°C (75°F). These values are a bit cooler than usual for July. The next 10 days will feature a mix of sun and clouds. Precipitation levels will be more than usual (versus normal July rainfall), with some rainy days. Precipitation is likely on approximately 6 days (Sun, Mon, Tue, Wed, Thu, Fri). Expect generally calm wind conditions.

Weather Forecast FAQ for Katy

When will be the warmest day next week?

The warmest day is expected to be Friday with a high of 32°C (90°F).

When will be the coldest day?

The coldest day is forecasted for Thursday with a low of 23°C (73°F).

Will it rain next week in Katy?

Yes, rain is expected on 6 days , specifically on Sun, Mon, Tue, Wed, Thu, Fri.

How much rainfall is expected next week?

A total of 50 mm (2 in) of rain is forecasted for the 10-day period.

What will be the temperature range next week?

Temperatures will range from 23°C (73°F) to 32°C (90°F).

More about Katy

Explore the full Katy climate overview with monthly averages, or check rainfall data and temperature by month.

Katy weather by month

Browse monthly averages for Katy: climate by month with temperature, rainfall and sunshine.

Travel inspiration

Need travel inspiration? Check out our bucket list articles and be inspired.