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Katy, TX Weather

Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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3 PM

78°

RealFeel® 84°

Very Warm

RealFeel Guide

Very Warm

82° to 89°

Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.

49%

Cloudy

Flood Watch

7:00 AM Thursday - 7:00 AM Monday

RealFeel Shade™81°

Heat Index80°

WindSE 9 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts12 mph

Humidity79%

Indoor Humidity79% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling1900 ft

4 PM

78°

RealFeel® 82°

Very Warm

RealFeel Guide

Very Warm

82° to 89°

Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.

49%

Cloudy

Flood Watch

7:00 AM Thursday - 7:00 AM Monday

RealFeel Shade™81°

WindSSE 10 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts13 mph

Humidity79%

Indoor Humidity79% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling2000 ft

5 PM

78°

RealFeel® 81°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

49%

Cloudy

Flood Watch

7:00 AM Thursday - 7:00 AM Monday

RealFeel Shade™81°

WindSSE 9 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts13 mph

Humidity81%

Indoor Humidity81% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling2500 ft

6 PM

77°

RealFeel® 81°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

49%

Cloudy

Flood Watch

7:00 AM Thursday - 7:00 AM Monday

RealFeel Shade™81°

WindSSE 9 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts10 mph

Humidity83%

Indoor Humidity83% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling3100 ft

7 PM

76°

RealFeel® 75°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

58%

Thunderstorms

Flood Watch

7:00 AM Thursday - 7:00 AM Monday

RealFeel Shade™75°

WindSSE 8 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts10 mph

Humidity86%

Indoor Humidity86% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover94%

Rain0.20 in

Visibility3 mi

Cloud Ceiling2000 ft

8 PM

74°

RealFeel® 78°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

43%

Cloudy

Flood Watch

7:00 AM Thursday - 7:00 AM Monday

RealFeel Shade™78°

WindSSE 6 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts7 mph

Humidity89%

Indoor Humidity89% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover98%

Visibility10 mi

Cloud Ceiling4400 ft

9 PM

72°

RealFeel® 73°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

51%

Thunderstorms

Flood Watch

7:00 AM Thursday - 7:00 AM Monday

WindSSE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity95%

Indoor Humidity95% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.08 in

Visibility5 mi

Cloud Ceiling2000 ft

10 PM

71°

RealFeel® 75°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

47%

Cloudy

Flood Watch

7:00 AM Thursday - 7:00 AM Monday

WindSSE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity98%

Indoor Humidity95% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling4000 ft

11 PM

71°

RealFeel® 75°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

34%

Cloudy

Flood Watch

7:00 AM Thursday - 7:00 AM Monday

WindSSE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity100%

Indoor Humidity95% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover97%

Visibility10 mi

Cloud Ceiling4500 ft

Hourly Weather Forecast for Katy

AccuWeather's hourly forecast for Katy provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 78° with a RealFeel® of 84°, cloudy with a 49% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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