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St Thomas, Saint Thomas Weather

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

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1 PM

92°

RealFeel® 99°

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.

14%

Mostly cloudy

Extreme Heat Warning

9:00 AM Thursday - 5:00 PM Thursday

RealFeel Shade™95°

Heat Index101°

WindE 17 mph

Air QualityPoor

Max UV Index5.4 (Moderate)

Wind Gusts28 mph

Humidity57%

Indoor Humidity57% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover77%

Visibility10 mi

Cloud Ceiling9600 ft

2 PM

92°

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.

14%

Mostly cloudy

Extreme Heat Warning

9:00 AM Thursday - 5:00 PM Thursday

RealFeel Shade™95°

Heat Index102°

WindE 18 mph

Air QualityPoor

Max UV Index3.2 (Moderate)

Wind Gusts28 mph

Humidity56%

Indoor Humidity56% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover84%

Visibility10 mi

Cloud Ceiling7100 ft

3 PM

91°

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.

18%

Mostly cloudy

Extreme Heat Warning

9:00 AM Thursday - 5:00 PM Thursday

RealFeel Shade™95°

Heat Index101°

WindE 17 mph

Air QualityPoor

Max UV Index2.2 (Low)

Wind Gusts28 mph

Humidity58%

Indoor Humidity58% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover87%

Visibility10 mi

Cloud Ceiling14700 ft

4 PM

90°

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.

49%

Mostly cloudy

Extreme Heat Warning

9:00 AM Thursday - 5:00 PM Thursday

RealFeel Shade™94°

Heat Index100°

WindE 17 mph

Air QualityPoor

Max UV Index1.9 (Low)

Wind Gusts28 mph

Humidity60%

Indoor Humidity60% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover79%

Visibility10 mi

Cloud Ceiling22400 ft

5 PM

89°

RealFeel® 92°

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.

60%

Mostly cloudy w/ showers

RealFeel Shade™92°

Heat Index99°

WindE 17 mph

Air QualityPoor

Max UV Index0.7 (Low)

Wind Gusts27 mph

Humidity62%

Indoor Humidity62% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover70%

Rain0.01 in

Visibility6 mi

Cloud Ceiling7000 ft

6 PM

88°

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.

60%

Mostly cloudy w/ showers

RealFeel Shade™91°

Heat Index98°

WindE 17 mph

Air QualityPoor

Max UV Index0.2 (Low)

Wind Gusts25 mph

Humidity64%

Indoor Humidity64% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover70%

Rain0.01 in

Visibility6 mi

Cloud Ceiling7000 ft

7 PM

86°

RealFeel® 90°

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.

25%

Mostly clear

Heat Index94°

WindE 16 mph

Air QualityPoor

Wind Gusts22 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover23%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

85°

RealFeel® 90°

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.

20%

Mostly clear

Heat Index93°

WindE 15 mph

Air QualityPoor

Wind Gusts20 mph

Humidity72%

Indoor Humidity72% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

84°

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.

20%

Clear

Heat Index92°

WindE 14 mph

Air QualityPoor

Wind Gusts18 mph

Humidity74%

Indoor Humidity74% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover9%

Visibility9 mi

Cloud Ceiling30000 ft

10 PM

84°

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.

20%

Mostly clear

Heat Index91°

WindE 15 mph

Air QualityPoor

Wind Gusts16 mph

Humidity74%

Indoor Humidity74% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover16%

Visibility7 mi

Cloud Ceiling30000 ft

11 PM

84°

RealFeel® 88°

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.

20%

Mostly clear

Heat Index91°

WindE 15 mph

Air QualityPoor

Wind Gusts16 mph

Humidity74%

Indoor Humidity74% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility6 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for St Thomas

AccuWeather's hourly forecast for St Thomas provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 92° with a RealFeel® of 99°, mostly cloudy with a 14% 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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