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Plan your week in Katy with our detailed 7-Day Weather Forecast. Access reliable daily temperature highs and lows, rain chances, and weekly weather pattern summaries.

Katy 7-Day Weather Forecast

Sunday, Oct 25, 2026

Nighttime
77°F

Mainly Clear

Feels like 77°F

Humidity

50%

Wind Speed

10.1 mph

Precipitation

0 in

Pressure

1021 hPa

UV Index

0

Visibility

10 mi

Cloud Cover

18%

Dew Point

68°F

7-Day Weather Forecast

Today

Oct 25

Mainly Clear
81°H
66°L
0%

Mon

Oct 26

Mainly Clear
85°H
66°L
0%

Tue

Oct 27

Mainly Clear
81°H
67°L
0%

Wed

Oct 28

Mainly Clear
83°H
71°L
0%

Thu

Oct 29

Mainly Clear
82°H
67°L
0%

Fri

Oct 30

Mainly Clear
83°H
66°L
0%

Sat

Oct 31

Mainly Clear
84°H
72°L
0%

24-Hour Forecast

12 AM

77°

0%

1 AM

75°

0%

2 AM

73°

0%

3 AM

72°

0%

4 AM

71°

0%

5 AM

70°

0%

6 AM

69°

0%

7 AM

68°

0%

8 AM

67°

0%

9 AM

67°

0%

10 AM

66°

0%

11 AM

66°

0%

12 PM

66°

0%

1 PM

66°

0%

2 PM

70°

0%

3 PM

73°

0%

4 PM

76°

0%

5 PM

78°

0%

6 PM

80°

0%

7 PM

80°

0%

8 PM

81°

0%

9 PM

81°

0%

10 PM

80°

0%

11 PM

78°

0%

Air Quality (AQI)

82Moderate

Air quality is acceptable. However, there may be a risk for some people.

PM2.5

11.8 µg/m³

PM10

15.7 µg/m³

Sun & Moon Phase

Sunrise

6:00 AM

Sunset

8:00 PM

Moon Phase

Waxing Gibbous

Waxing Gibbous

Wind Conditions & Storm Tracking

Wind Direction

115.3° ESE

Sustained Wind

10.1 mph

Wind Gusts

10.1 mph

7-Day Temp Range

Week's Hottest

85°F

Max Rain Prob

0%

Expected 7-Day Swings

66°
85°

High and low limits expected over the next week.

Extended Local Forecasts

14 Day Weather Forecast7 Day Weather ForecastHourly Weather Tracker

Location View

Katy · 29.75°N, 95.81°W
Radar Page
Coordinates29.7509°N, 95.8117°W
Elevationm
TimezoneAmerica/New_York

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Safety & Environmental Index

MetricValueStatus / Interpretation
Air Quality (AQI)82Moderate
UV Index0Low Risk
Visibility10 milesClear

Frequently Asked Questions

The 7-day forecast for Katy includes comprehensive daily weather summaries, max/min temperatures, and expected rainfall to keep you prepared for the week.

About Katy Climate & Weather

Weather forecast for Katy is powered by high-resolution weather models using open-source infrastructure. Check current temperatures, rain radar graphs, hourly wind speeds, humidity values, and ultraviolet indexes directly from our weather tracking console.

Meteorological Data: Weather data for this area is aggregated from global and regional forecast models (GFS, HRRR, ERA5) and updated continuously every hour.