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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

88°

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.

6%

Mostly sunny

Special Weather Statement

11:04 AM Saturday - 1:15 PM Saturday

RealFeel Shade™91°

Heat Index97°

WindESE 15 mph

Air QualityPoor

Max UV Index11.1 (Extreme)

Wind Gusts29 mph

Humidity62%

Indoor Humidity62% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover22%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

89°

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.

6%

Mostly sunny

RealFeel Shade™93°

Heat Index98°

WindESE 15 mph

Air QualityPoor

Max UV Index7.9 (Very High)

Wind Gusts29 mph

Humidity60%

Indoor Humidity60% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover21%

Visibility10 mi

Cloud Ceiling30000 ft

3 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.

6%

Partly sunny

RealFeel Shade™92°

Heat Index96°

WindE 15 mph

Air QualityPoor

Max UV Index4.7 (Moderate)

Wind Gusts28 mph

Humidity63%

Indoor Humidity63% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover43%

Visibility10 mi

Cloud Ceiling30000 ft

4 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.

6%

Mostly cloudy

RealFeel Shade™91°

Heat Index96°

WindE 15 mph

Air QualityPoor

Max UV Index1.4 (Low)

Wind Gusts25 mph

Humidity64%

Indoor Humidity64% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover77%

Visibility10 mi

Cloud Ceiling9600 ft

5 PM

86°

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.

6%

Cloudy

RealFeel Shade™91°

Heat Index94°

WindE 14 mph

Air QualityPoor

Max UV Index0.6 (Low)

Wind Gusts24 mph

Humidity67%

Indoor Humidity67% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling7100 ft

6 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.

6%

Intermittent clouds

RealFeel Shade™90°

Heat Index93°

WindE 14 mph

Air QualityPoor

Max UV Index0.2 (Low)

Wind Gusts23 mph

Humidity69%

Indoor Humidity69% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling7100 ft

7 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.

6%

Partly cloudy

Heat Index91°

WindE 13 mph

Air QualityPoor

Wind Gusts22 mph

Humidity74%

Indoor Humidity74% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover35%

Visibility10 mi

Cloud Ceiling30000 ft

8 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.

6%

Mostly clear

Heat Index89°

WindE 12 mph

Air QualityPoor

Wind Gusts20 mph

Humidity76%

Indoor Humidity76% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

82°

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.

6%

Mostly clear

Heat Index89°

WindE 12 mph

Air QualityPoor

Wind Gusts18 mph

Humidity77%

Indoor Humidity77% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover14%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

82°

RealFeel® 87°

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.

6%

Partly cloudy

Heat Index88°

WindE 12 mph

Air QualityPoor

Wind Gusts17 mph

Humidity78%

Indoor Humidity78% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover38%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

81°

RealFeel® 87°

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.

6%

Intermittent clouds

Heat Index87°

WindE 12 mph

Air QualityPoor

Wind Gusts16 mph

Humidity79%

Indoor Humidity79% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling7100 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 99°, mostly sunny with a 6% 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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