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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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10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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2 PM

88°

RealFeel® 96°

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 cloudy

Heat Advisory

10:00 AM Saturday - 5:00 PM Saturday

RealFeel Shade™94°

Heat Index98°

WindESE 13 mph

Air QualityPoor

Max UV Index2.7 (Moderate)

Wind Gusts22 mph

Humidity64%

Indoor Humidity64% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover84%

Visibility10 mi

Cloud Ceiling2000 ft

3 PM

88°

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.

20%

Cloudy

Heat Advisory

10:00 AM Saturday - 5:00 PM Saturday

RealFeel Shade™93°

Heat Index98°

WindESE 14 mph

Air QualityPoor

Max UV Index1.5 (Low)

Wind Gusts23 mph

Humidity65%

Indoor Humidity65% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover91%

Visibility10 mi

Cloud Ceiling3700 ft

4 PM

88°

RealFeel® 94°

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%

Cloudy

Heat Advisory

10:00 AM Saturday - 5:00 PM Saturday

RealFeel Shade™94°

Heat Index97°

WindESE 14 mph

Air QualityPoor

Max UV Index0.9 (Low)

Wind Gusts24 mph

Humidity66%

Indoor Humidity66% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover93%

Visibility10 mi

Cloud Ceiling5400 ft

5 PM

87°

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.

20%

Cloudy

RealFeel Shade™93°

Heat Index97°

WindESE 15 mph

Air QualityPoor

Max UV Index0.5 (Low)

Wind Gusts25 mph

Humidity67%

Indoor Humidity67% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling7100 ft

6 PM

86°

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.

25%

Cloudy

RealFeel Shade™92°

Heat Index96°

WindESE 14 mph

Air QualityPoor

Max UV Index0.2 (Low)

Wind Gusts23 mph

Humidity68%

Indoor Humidity68% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling7100 ft

7 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.

49%

Cloudy

Heat Index93°

WindESE 13 mph

Air QualityPoor

Wind Gusts21 mph

Humidity72%

Indoor Humidity72% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling7100 ft

8 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.

51%

Thunderstorms

Heat Index92°

WindESE 13 mph

Air QualityPoor

Wind Gusts20 mph

Humidity72%

Indoor Humidity72% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Rain0.01 in

Visibility6 mi

Cloud Ceiling7000 ft

9 PM

84°

RealFeel® 86°

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.

54%

Mostly cloudy w/ t-storms

Heat Index91°

WindESE 13 mph

Air QualityPoor

Wind Gusts17 mph

Humidity74%

Indoor Humidity74% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover66%

Rain0.03 in

Visibility9 mi

Cloud Ceiling4000 ft

10 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.

24%

Partly cloudy

Heat Index91°

WindESE 13 mph

Air QualityPoor

Wind Gusts15 mph

Humidity74%

Indoor Humidity74% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover37%

Visibility7 mi

Cloud Ceiling30000 ft

11 PM

83°

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.

19%

Intermittent clouds

Heat Index90°

WindESE 13 mph

Air QualityPoor

Wind Gusts14 mph

Humidity74%

Indoor Humidity74% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility6 mi

Cloud Ceiling7000 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 88° with a RealFeel® of 96°, mostly cloudy with a 20% 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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