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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

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.

10%

Partly sunny

RealFeel Shade™86°

Heat Index92°

WindE 18 mph

Air QualityPoor

Max UV Index12.7 (Extreme)

Wind Gusts32 mph

Humidity59%

Indoor Humidity59% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover32%

Visibility10 mi

Cloud Ceiling30000 ft

1 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.

7%

Partly sunny

RealFeel Shade™88°

Heat Index94°

WindE 18 mph

Air QualityPoor

Max UV Index11.1 (Extreme)

Wind Gusts32 mph

Humidity57%

Indoor Humidity57% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover49%

Visibility10 mi

Cloud Ceiling30000 ft

2 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.

7%

Intermittent clouds

RealFeel Shade™87°

Heat Index93°

WindESE 18 mph

Air QualityPoor

Max UV Index5.4 (Moderate)

Wind Gusts32 mph

Humidity60%

Indoor Humidity60% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling14700 ft

3 PM

87°

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.

7%

Intermittent clouds

RealFeel Shade™87°

Heat Index92°

WindE 18 mph

Air QualityPoor

Max UV Index3.3 (Moderate)

Wind Gusts33 mph

Humidity60%

Indoor Humidity60% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling19800 ft

4 PM

86°

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.

7%

Intermittent clouds

RealFeel Shade™86°

Heat Index91°

WindE 18 mph

Air QualityFair

Max UV Index2.3 (Low)

Wind Gusts33 mph

Humidity60%

Indoor Humidity60% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling24900 ft

5 PM

86°

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.

7%

Intermittent clouds

RealFeel Shade™85°

Heat Index90°

WindE 18 mph

Air QualityFair

Max UV Index1.5 (Low)

Wind Gusts33 mph

Humidity61%

Indoor Humidity61% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

85°

RealFeel® 85°

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.

7%

Intermittent clouds

RealFeel Shade™85°

Heat Index89°

WindE 18 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts30 mph

Humidity63%

Indoor Humidity63% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover63%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

82°

RealFeel® 83°

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.

7%

Intermittent clouds

Heat Index87°

WindE 16 mph

Air QualityFair

Wind Gusts25 mph

Humidity69%

Indoor Humidity69% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover64%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

81°

RealFeel® 83°

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.

7%

Intermittent clouds

Heat Index85°

WindE 16 mph

Air QualityFair

Wind Gusts22 mph

Humidity73%

Indoor Humidity73% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

81°

RealFeel® 82°

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.

7%

Intermittent clouds

Heat Index85°

WindE 15 mph

Air QualityFair

Wind Gusts21 mph

Humidity75%

Indoor Humidity75% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling22400 ft

10 PM

80°

RealFeel® 82°

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.

7%

Intermittent clouds

Heat Index84°

WindE 15 mph

Air QualityFair

Wind Gusts20 mph

Humidity75%

Indoor Humidity75% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover64%

Visibility10 mi

Cloud Ceiling14700 ft

11 PM

80°

RealFeel® 82°

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.

7%

Intermittent clouds

Heat Index84°

WindE 15 mph

Air QualityFair

Wind Gusts20 mph

Humidity76%

Indoor Humidity76% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

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 87° with a RealFeel® of 93°, partly sunny with a 10% 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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