Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Severe weather returns to central US this weekend with flood potential | Click to see the impacts. Chevron right
Torrential rain in Arthur's wake could lead to more flooding. Click for the forecast. Chevron right

Lower Keys, FL

84°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Lower Keys

Florida

84°
No results found.
Try searching for a city, zip code or point of interest.
Get Premium+
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
settings
Help
Lower Keys, FL 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
Today Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Sunday, June 21

Day

6/21
92°Hi
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.
LEARN MORE
RealFeel Shade™ 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.
LEARN MORE
Mostly sunny and humid; a thunderstorm around in the afternoon

Max UV Index13.0 (Extreme)

AccuLumen Brightness Index™9 (Very Bright)

WindSW 7 mph

Wind Gusts13 mph

Probability of Precipitation55%

Probability of Thunderstorms50%

Precipitation0.04 in

Rain0.04 in

Hours of Precipitation0.5

Hours of Rain0.5

Cloud Cover11%

Morning

Afternoon

Night

6/21
82°Lo
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.
LEARN MORE
Partly cloudy

WindNNE 6 mph

Wind Gusts10 mph

Probability of Precipitation9%

Probability of Thunderstorms1%

Precipitation0.00 in

Cloud Cover26%

Evening

Overnight

Sun & Moon

13 hrs 41 mins
Rise 6:37 AM
Set 8:18 PM
First Quarter
Rise 1:19 PM
Set 1:28 AM

Temperature History

6/21
High
Low
Forecast
92°
82°
Average
91°
79°
Last Year
89°
82°

Further Ahead

Hourly

10-Day

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Severe storms to return to central US as flood risk rises

13 hours ago

Weather News

Rescues underway, dam fears grow as Arthur floods Gulf Coast homes

16 hours ago

Severe Weather

Torrential rain to aggravate flooding for southern US in Arthur’s wake

11 hours ago

Severe Weather

Tornadoes, winds rip through Illinois causing widespread damage

1 day ago
Live Blog

Live: World Cup 2026 weather updates

LATEST ENTRY

High winds delay opening of World Cup Fan Festival in Boston

13 hours ago

 More Stories

Featured Stories

Severe Weather

Illinois has already surpassed its record year for tornado reports

1 day ago

Recreation

Black bear injures teen on Washington trail

1 day ago

Astronomy

Meteorological summer vs. astronomical summer explained

1 day ago

Recreation

Free climber dies after falling into volcanic crater in Yemen

2 days ago

Health

Pickle is the pumpkin spice of summer

4 days ago
World North America United States Florida Lower Keys

Weather Near Lower Keys:

  • Fort Lauderdale, FL
  • Hialeah, FL
  • Miami, 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 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

...

...

...