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St. Augustine, FL Weather

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

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Hourly

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

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2 PM

96°

RealFeel® 112°

Dangerous Heat

RealFeel Guide

Dangerous Heat

108° to 115°

Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.

49%

Intermittent clouds

Extreme Heat Warning

11:00 AM Wednesday - 8:00 PM Wednesday

RealFeel Shade™105°

Heat Index114°

WindSW 12 mph

Air QualityFair

Max UV Index8.1 (Very High)

Wind Gusts15 mph

Humidity56%

Indoor Humidity56% (Dangerously Humid)

Dew Point79° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover73%

Visibility10 mi

Cloud Ceiling26000 ft

3 PM

95°

RealFeel® 101°

Very Hot

RealFeel Guide

Very Hot

101° to 107°

Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.

57%

Mostly cloudy w/ t-storms

Extreme Heat Warning

11:00 AM Wednesday - 8:00 PM Wednesday

RealFeel Shade™99°

Heat Index110°

WindSW 12 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts18 mph

Humidity56%

Indoor Humidity56% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover73%

Rain0.39 in

Visibility2 mi

Cloud Ceiling2000 ft

4 PM

94°

RealFeel® 105°

Very Hot

RealFeel Guide

Very Hot

101° to 107°

Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.

49%

Intermittent clouds

Extreme Heat Warning

11:00 AM Wednesday - 8:00 PM Wednesday

RealFeel Shade™101°

Heat Index107°

WindSW 12 mph

Air QualityFair

Max UV Index4.1 (Moderate)

Wind Gusts21 mph

Humidity58%

Indoor Humidity58% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

92°

RealFeel® 102°

Very Hot

RealFeel Guide

Very Hot

101° to 107°

Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.

26%

Intermittent clouds

Extreme Heat Warning

11:00 AM Wednesday - 8:00 PM Wednesday

RealFeel Shade™99°

Heat Index105°

WindSW 12 mph

Air QualityPoor

Max UV Index2.9 (Moderate)

Wind Gusts21 mph

Humidity61%

Indoor Humidity61% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

92°

RealFeel® 101°

Very Hot

RealFeel Guide

Very Hot

101° to 107°

Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.

26%

Intermittent clouds

Extreme Heat Warning

11:00 AM Wednesday - 8:00 PM Wednesday

RealFeel Shade™99°

Heat Index105°

WindSW 12 mph

Air QualityPoor

Max UV Index1.7 (Low)

Wind Gusts20 mph

Humidity59%

Indoor Humidity59% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover63%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

90°

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.

32%

Intermittent clouds

Extreme Heat Warning

11:00 AM Wednesday - 8:00 PM Wednesday

RealFeel Shade™98°

Heat Index102°

WindSW 10 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts17 mph

Humidity63%

Indoor Humidity63% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

8 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.

49%

Cloudy

RealFeel Shade™94°

Heat Index97°

WindSW 10 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts15 mph

Humidity65%

Indoor Humidity65% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

9 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.

58%

Thunderstorms

Heat Index95°

WindWSW 9 mph

Air QualityFair

Wind Gusts14 mph

Humidity71%

Indoor Humidity71% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Rain0.06 in

Visibility5 mi

Cloud Ceiling4000 ft

10 PM

83°

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 Index90°

WindWSW 8 mph

Air QualityFair

Wind Gusts10 mph

Humidity74%

Indoor Humidity74% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

81°

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.

43%

Cloudy

Heat Index87°

WindWSW 8 mph

Air QualityFair

Wind Gusts9 mph

Humidity80%

Indoor Humidity80% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for St. Augustine

AccuWeather's hourly forecast for St. Augustine provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 96° with a RealFeel® of 112°, intermittent clouds with a 49% 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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