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Over 200 million face dangerous heat wave this week. Click for the temp forecast.

St. Augustine, FL

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St. Augustine, FL Weather

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1 PM

94°

RealFeel® 110°

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.

44%

Partly sunny

Heat Advisory

12:00 PM Monday - 7:00 PM Monday

RealFeel Shade™100°

Heat Index107°

WindNW 9 mph

Air QualityFair

Max UV Index12.0 (Extreme)

Wind Gusts10 mph

Humidity55%

Indoor Humidity55% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover43%

Visibility10 mi

Cloud Ceiling37400 ft

2 PM

93°

RealFeel® 109°

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.

34%

Partly sunny

Heat Advisory

12:00 PM Monday - 7:00 PM Monday

RealFeel Shade™100°

Heat Index106°

WindE 9 mph

Air QualityFair

Max UV Index11.0 (Extreme)

Wind Gusts10 mph

Humidity57%

Indoor Humidity57% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

92°

RealFeel® 106°

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.

34%

Intermittent clouds

Heat Advisory

12:00 PM Monday - 7:00 PM Monday

RealFeel Shade™99°

Heat Index105°

WindE 9 mph

Air QualityFair

Max UV Index7.4 (High)

Wind Gusts13 mph

Humidity59%

Indoor Humidity59% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover66%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

91°

RealFeel® 103°

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.

38%

Mostly cloudy

Heat Advisory

12:00 PM Monday - 7:00 PM Monday

RealFeel Shade™98°

Heat Index103°

WindESE 9 mph

Air QualityFair

Max UV Index3.9 (Moderate)

Wind Gusts15 mph

Humidity62%

Indoor Humidity62% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

90°

RealFeel® 100°

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%

Mostly cloudy

Heat Advisory

12:00 PM Monday - 7:00 PM Monday

RealFeel Shade™97°

Heat Index102°

WindESE 10 mph

Air QualityFair

Max UV Index2.6 (Moderate)

Wind Gusts17 mph

Humidity65%

Indoor Humidity65% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

6 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.

56%

Thunderstorms

Heat Advisory

12:00 PM Monday - 7:00 PM Monday

RealFeel Shade™94°

Heat Index101°

WindSE 9 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts14 mph

Humidity77%

Indoor Humidity77% (Dangerously Humid)

Dew Point79° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Rain0.37 in

Visibility2 mi

Cloud Ceiling2000 ft

7 PM

84°

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.

48%

Mostly cloudy

RealFeel Shade™92°

Heat Index93°

WindSE 9 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts10 mph

Humidity75%

Indoor Humidity75% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

84°

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.

51%

Partly sunny w/ t-storms

RealFeel Shade™91°

Heat Index95°

WindSE 8 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts9 mph

Humidity78%

Indoor Humidity78% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Rain0.05 in

Visibility5 mi

Cloud Ceiling30000 ft

9 PM

85°

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.

47%

Partly cloudy

Heat Index94°

WindSE 8 mph

Air QualityFair

Wind Gusts8 mph

Humidity77%

Indoor Humidity77% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

84°

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.

40%

Partly cloudy

Heat Index93°

WindSSE 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity79%

Indoor Humidity79% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

83°

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.

34%

Partly cloudy

Heat Index91°

WindS 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity81%

Indoor Humidity81% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

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 94° with a RealFeel® of 110°, partly sunny with a 44% 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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