For Business
|
Warnings
Data Suite
Newsletters
Advertising
Superior Accuracy™

Sweltering 90-100 F heat to expand, affect 170 million in central and eastern US. Details here

Severe storms sweep Northeast, teen struck by lightning in Central Park. Read more

St. Augustine South, FL

82°F

Location

Location News Videos

Use Current Location

Recent

St. Augustine South

Florida

No results found.

Try searching for a city, zip code or point of interest.

settings

St. Augustine South, FL Weather

Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel

For Business

Warnings

Data Suite

Newsletters

Advertising

Superior Accuracy™

Video

Winter Center

Today Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities

Saturday, June 21

Current Weather

6:11 PM

82°F

Sunny

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.

RealFeel Shade™ 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.

RealFeel®

91°

RealFeel Shade™

88°

Max UV Index

2 Low

Wind

ESE 5 mph

Wind Gusts

9 mph

Humidity

85%

Indoor Humidity

85% (Extremely Humid)

Dew Point

77° F

Pressure

↑ 30.12 in

Cloud Cover

10%

Visibility

9 mi

Cloud Ceiling

40000 ft

Day

6/21

84°Hi

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.

RealFeel Shade™ 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.

Humid with sunshine mixing with some clouds

Max UV Index12 (Extreme)

AccuLumen Brightness Index™9 (Very Bright)

WindSE 6 mph

Wind Gusts18 mph

Probability of Precipitation25%

Probability of Thunderstorms15%

Precipitation0.00 in

Cloud Cover13%

Morning

Afternoon

Night

6/21

75°Lo

RealFeel® 81°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

Clear and humid

WindSSE 7 mph

Wind Gusts15 mph

Probability of Precipitation6%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover0%

Evening

Overnight

Sun & Moon

14 hrs 04 mins

Rise 6:25 AM

Set 8:29 PM

Waning Crescent

Rise 2:48 AM

Set 4:39 PM

Temperature History

6/21

High

Low

Forecast

84°

75°

Average

89°

73°

Last Year

87°

77°

Record

98°

2009

60°

1965

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Sweltering 90-100 F heat to expand, affect 170 million in US

3 hours ago

Severe Weather

Storms sweep Northeast, teen struck by lightning in Central Park

1 day ago

Severe Weather

Severe storms to continue riding edge of heat dome into new week

3 hours ago

Astronomy

Meteorological summer vs. astronomical summer explained

5 days ago

Astronomy

NASA raises chance for asteroid to hit moon

1 day ago

Featured Stories

Astronomy

Summer solstice: Everything to know about the year's longest day

1 day ago

Health

‘Nimbus’ COVID-19 variant arrives in U.S. after China surge

1 day ago

Severe Weather

Rare high-elevation tornado confirmed at Pikes Peak

3 days ago

Weather News

First methane-powered sea spiders found crawling on the ocean floor

3 days ago

Weather News

‘Dragon Man’ DNA revelation puts a face to group of ancient humans

1 day ago

World North America United States Florida St. Augustine South

Weather Near St. Augustine South:

Fruit Cove, FL
Jacksonville, FL
Lakeside, FL

Company

Proven Superior Accuracy About AccuWeather Digital Advertising Careers Press Contact Us

Products & Services

For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations

Apps & Downloads

iPhone App Android App See all Apps & Downloads

Subscription Services

AccuWeather Premium AccuWeather Professional

More

AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center

Company

Proven Superior Accuracy About AccuWeather Digital Advertising Careers Press Contact Us

Products & Services

For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations

Apps & Downloads

iPhone App Android App See all Apps & Downloads

Subscription Services

AccuWeather Premium AccuWeather Professional

More

AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center

© 2025 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.

Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information

...

...

...