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Katy, TX

93°F
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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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7 PM

91°
RealFeel® 93°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
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rain drop 5%
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Mostly sunny
alerts

Air Quality Alert

2:57 PM Monday - 7:00 PM Wednesday

RealFeel Shade™93°

Heat Index96°

WindSE 8 mph

Air QualityPoor

Max UV Index0.0 (Low)

Wind Gusts13 mph

Humidity51%

Indoor Humidity51% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling33400 ft

8 PM

89°
RealFeel® 93°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
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rain drop 1%
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Mostly clear
alerts

Air Quality Alert

2:57 PM Monday - 7:00 PM Wednesday

Heat Index95°

WindSE 7 mph

Air QualityPoor

Wind Gusts10 mph

Humidity56%

Indoor Humidity56% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover28%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

86°
RealFeel® 93°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 1%
Chevron down
Mostly clear
alerts

Air Quality Alert

2:57 PM Monday - 7:00 PM Wednesday

Heat Index94°

WindSSE 7 mph

Air QualityPoor

Wind Gusts8 mph

Humidity69%

Indoor Humidity69% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover18%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

83°
RealFeel® 91°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 1%
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Clear
alerts

Air Quality Alert

2:57 PM Monday - 7:00 PM Wednesday

Heat Index91°

WindS 6 mph

Air QualityFair

Wind Gusts6 mph

Humidity77%

Indoor Humidity77% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover9%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

80°
RealFeel® 89°
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.
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rain drop 1%
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Clear
alerts

Air Quality Alert

2:57 PM Monday - 7:00 PM Wednesday

Heat Index85°

WindS 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity86%

Indoor Humidity86% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover6%

Visibility10 mi

Cloud Ceiling30000 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 91° with a RealFeel® of 93°, mostly sunny with a 5% 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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