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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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12 PM

86°

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.

0%

Mostly sunny

RealFeel Shade™89°

Heat Index92°

WindESE 9 mph

Air QualityPoor

Max UV Index12.3 (Extreme)

Wind Gusts17 mph

Humidity62%

Indoor Humidity62% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

87°

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.

0%

Intermittent clouds

RealFeel Shade™90°

Heat Index93°

WindESE 9 mph

Air QualityFair

Max UV Index9.0 (Very High)

Wind Gusts17 mph

Humidity61%

Indoor Humidity61% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover51%

Visibility10 mi

Cloud Ceiling14700 ft

2 PM

87°

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.

0%

Intermittent clouds

RealFeel Shade™91°

Heat Index94°

WindESE 9 mph

Air QualityFair

Max UV Index4.4 (Moderate)

Wind Gusts16 mph

Humidity61%

Indoor Humidity61% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling7100 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.

0%

Intermittent clouds

RealFeel Shade™92°

Heat Index95°

WindE 9 mph

Air QualityFair

Max UV Index3.7 (Moderate)

Wind Gusts16 mph

Humidity58%

Indoor Humidity58% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover55%

Visibility10 mi

Cloud Ceiling14700 ft

4 PM

87°

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.

0%

Partly sunny

RealFeel Shade™91°

Heat Index94°

WindE 9 mph

Air QualityFair

Max UV Index3.0 (Moderate)

Wind Gusts16 mph

Humidity60%

Indoor Humidity60% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover32%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

87°

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.

0%

Mostly sunny

RealFeel Shade™90°

Heat Index93°

WindE 9 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts16 mph

Humidity61%

Indoor Humidity61% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

6 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.

0%

Sunny

RealFeel Shade™90°

Heat Index92°

WindE 9 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts15 mph

Humidity64%

Indoor Humidity64% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover2%

Visibility10 mi

Cloud Ceiling30000 ft

7 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.

0%

Clear

Heat Index90°

WindE 9 mph

Air QualityFair

Wind Gusts13 mph

Humidity69%

Indoor Humidity69% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover4%

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.

0%

Mostly clear

Heat Index89°

WindE 9 mph

Air QualityFair

Wind Gusts12 mph

Humidity71%

Indoor Humidity71% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

9 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.

0%

Mostly clear

Heat Index88°

WindE 9 mph

Air QualityFair

Wind Gusts10 mph

Humidity74%

Indoor Humidity74% (Extremely Humid)

Dew Point73° 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.

0%

Mostly clear

Heat Index88°

WindE 9 mph

Air QualityFair

Wind Gusts9 mph

Humidity75%

Indoor Humidity75% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover18%

Visibility10 mi

Cloud Ceiling30000 ft

11 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.

0%

Mostly clear

Heat Index88°

WindE 9 mph

Air QualityFair

Wind Gusts9 mph

Humidity76%

Indoor Humidity76% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 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 86° with a RealFeel® of 99°, 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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