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Lewisville, TX

103°F
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Lewisville

Texas

103°
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Lewisville, TX Weather
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3 PM

105°
RealFeel® 111°
Dangerous Heat
RealFeel Guide
Dangerous Heat
108° to 115°
Caution advised. 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 0%
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Mostly sunny
alerts

Heat Advisory

12:00 PM Saturday - 12:00 PM Tuesday
alerts

Air Quality Alert

5:40 PM Sunday - 8:45 PM Monday

RealFeel Shade™105°

Heat Index110°

WindSSE 7 mph

Air QualityPoor

Max UV Index6.6 (High)

Wind Gusts8 mph

Humidity28%

Indoor Humidity28% (Humid)

Dew Point66° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover17%

Visibility10 mi

Cloud Ceiling33300 ft

4 PM

106°
RealFeel® 107°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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 0%
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Mostly sunny
alerts

Heat Advisory

12:00 PM Saturday - 12:00 PM Tuesday
alerts

Air Quality Alert

5:40 PM Sunday - 8:45 PM Monday

RealFeel Shade™103°

Heat Index107°

WindSSE 8 mph

Air QualityPoor

Max UV Index4.3 (Moderate)

Wind Gusts9 mph

Humidity23%

Indoor Humidity23% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover19%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

107°
RealFeel® 107°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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 0%
Chevron down
Mostly sunny
alerts

Heat Advisory

12:00 PM Saturday - 12:00 PM Tuesday
alerts

Air Quality Alert

5:40 PM Sunday - 8:45 PM Monday

RealFeel Shade™104°

Heat Index108°

WindSSE 8 mph

Air QualityPoor

Max UV Index2.8 (Moderate)

Wind Gusts9 mph

Humidity22%

Indoor Humidity22% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover17%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

105°
RealFeel® 104°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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 0%
Chevron down
Mostly sunny
alerts

Heat Advisory

12:00 PM Saturday - 12:00 PM Tuesday
alerts

Air Quality Alert

5:40 PM Sunday - 8:45 PM Monday

RealFeel Shade™102°

Heat Index106°

WindSSE 8 mph

Air QualityPoor

Max UV Index1.6 (Low)

Wind Gusts9 mph

Humidity23%

Indoor Humidity23% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover12%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

104°
RealFeel® 101°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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 0%
Chevron down
Mostly sunny
alerts

Heat Advisory

12:00 PM Saturday - 12:00 PM Tuesday
alerts

Air Quality Alert

5:40 PM Sunday - 8:45 PM Monday

RealFeel Shade™101°

Heat Index105°

WindSSE 8 mph

Air QualityPoor

Max UV Index0.6 (Low)

Wind Gusts10 mph

Humidity24%

Indoor Humidity24% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

101°
RealFeel® 98°
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 0%
Chevron down
Mostly sunny
alerts

Heat Advisory

12:00 PM Saturday - 12:00 PM Tuesday
alerts

Air Quality Alert

5:40 PM Sunday - 8:45 PM Monday

RealFeel Shade™98°

Heat Index102°

WindSSE 8 mph

Air QualityPoor

Max UV Index0.0 (Low)

Wind Gusts9 mph

Humidity27%

Indoor Humidity27% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

98°
RealFeel® 97°
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 0%
Chevron down
Mostly clear
alerts

Heat Advisory

12:00 PM Saturday - 12:00 PM Tuesday

Heat Index100°

WindSSE 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity31%

Indoor Humidity31% (Humid)

Dew Point63° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

96°
RealFeel® 95°
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 0%
Chevron down
Mostly clear
alerts

Heat Advisory

12:00 PM Saturday - 12:00 PM Tuesday

Heat Index98°

WindSE 7 mph

Air QualityFair

Wind Gusts12 mph

Humidity34%

Indoor Humidity34% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

95°
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 0%
Chevron down
Mostly clear
alerts

Heat Advisory

12:00 PM Saturday - 12:00 PM Tuesday

Heat Index97°

WindSSE 8 mph

Air QualityFair

Wind Gusts10 mph

Humidity37%

Indoor Humidity37% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Lewisville

AccuWeather's hourly forecast for Lewisville provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 105° with a RealFeel® of 111°, mostly sunny with a 0% 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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