For Business
|
Warnings
Data Suite
Forensics
Advertising
Superior Accuracy™

'Extreme' fire risk grips the West amid winds, low humidity. Click for details.

Tropical trouble could brew before the 4th of July. See the forecast.

Johns Island, SC

Location

Location News Videos

Use Current Location

Recent

Johns Island

South Carolina

No results found.

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

Create Your Account Unlock extended daily and hourly forecasts — all with your free account.

Have an account already? Log In

settings

Johns Island, SC Weather

Today WinterCast Local {stormName} Tracker Hourly 10-Day 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

Forensics

Advertising

Superior Accuracy™

Video

Winter Center

Hourly

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

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

1 PM

89°

RealFeel® 104°

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.

8%

Partly sunny

RealFeel Shade™94°

Heat Index99°

WindSSW 9 mph

Air QualityFair

Max UV Index11.7 (Extreme)

Wind Gusts18 mph

Humidity62%

Indoor Humidity62% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover40%

Visibility10 mi

Cloud Ceiling33300 ft

2 PM

90°

RealFeel® 104°

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.

47%

Partly sunny

RealFeel Shade™95°

Heat Index100°

WindS 12 mph

Air QualityFair

Max UV Index11.0 (Extreme)

Wind Gusts21 mph

Humidity60%

Indoor Humidity60% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

89°

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.

51%

Partly sunny w/ t-storms

RealFeel Shade™93°

Heat Index101°

WindS 12 mph

Air QualityFair

Max UV Index7.5 (Very High)

Wind Gusts22 mph

Humidity67%

Indoor Humidity67% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Rain0.08 in

Visibility5 mi

Cloud Ceiling30000 ft

4 PM

88°

RealFeel® 97°

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 sunny

RealFeel Shade™92°

Heat Index96°

WindS 13 mph

Air QualityFair

Max UV Index4.9 (Moderate)

Wind Gusts23 mph

Humidity64%

Indoor Humidity64% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

5 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.

19%

Partly sunny

RealFeel Shade™91°

Heat Index95°

WindS 13 mph

Air QualityFair

Max UV Index3.4 (Moderate)

Wind Gusts24 mph

Humidity66%

Indoor Humidity66% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover43%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

86°

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.

19%

Partly sunny

RealFeel Shade™91°

Heat Index94°

WindS 12 mph

Air QualityFair

Max UV Index2.0 (Low)

Wind Gusts23 mph

Humidity68%

Indoor Humidity68% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover43%

Visibility10 mi

Cloud Ceiling30000 ft

7 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.

24%

Partly sunny

RealFeel Shade™89°

Heat Index92°

WindS 10 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts21 mph

Humidity74%

Indoor Humidity74% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

82°

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.

34%

Mostly cloudy

RealFeel Shade™88°

Heat Index88°

WindS 9 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts18 mph

Humidity79%

Indoor Humidity79% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

80°

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.

34%

Mostly cloudy

Heat Index85°

WindS 9 mph

Air QualityFair

Wind Gusts16 mph

Humidity84%

Indoor Humidity84% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover80%

Visibility10 mi

Cloud Ceiling24900 ft

10 PM

79°

RealFeel® 86°

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.

40%

Cloudy

Heat Index80°

WindS 9 mph

Air QualityFair

Wind Gusts13 mph

Humidity89%

Indoor Humidity89% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover91%

Visibility10 mi

Cloud Ceiling7000 ft

11 PM

78°

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.

51%

Thunderstorms

Heat Index80°

WindS 8 mph

Air QualityFair

Wind Gusts12 mph

Humidity91%

Indoor Humidity91% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Rain0.04 in

Visibility6 mi

Cloud Ceiling4000 ft

Hourly Weather Forecast for Johns Island

AccuWeather's hourly forecast for Johns Island provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 89° with a RealFeel® of 104°, partly sunny with a 8% 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.

Further Ahead

Tomorrow

Sunday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather News

Venezuela death toll rises after back-to-back earthquakes

2 hours ago

Hurricane

Building heat dome could spark tropical development near southern U.S.

2 hours ago

Live: World Cup 2026 weather updates

LATEST ENTRY

Thunderstorms in Guadalajara could lead to lightning delay for Uruguay vs. Spain match

23 minutes ago

Severe Weather

Severe storms to precede, accompany heat surge in central and east US

57 minutes ago

Weather Forecasts

'Extreme' weather could fuel erratic wildfires in western US

7 hours ago

Featured Stories

Astronomy

Skyscraper-size asteroid to safely pass Earth this Saturday

23 hours ago

Travel

Small aircraft crashes into Beijing’s tallest skyscraper

55 minutes ago

Recreation

Snake hunters compete for $25,000 wrangling pythons in Florida

1 day ago

Weather News

Utah wildfires force evacuations as crews work in hot, windy weather

21 hours ago

Severe Weather

Storm knocks down tree, exposes 100-year old hidden gravestone

3 days ago

World North America United States South Carolina Johns Island

Weather Near Johns Island:

Charleston, SC
Mount Pleasant, SC
North Charleston, SC

Company

Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us

Products & Services

For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect 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 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

© 2026 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 | Data Sources

...

...

...