Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
A May heat wave will complete the spring weather whiplash in the East. Click for details. Chevron right
Severe thunderstorms, some with tornadoes will prowl the Central states. Click to see where, when. Chevron right

Key Biscayne, FL

77°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Key Biscayne

Florida

77°
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.
Let's Go Chevron right
Have an account already? Log In
settings
Help
Key Biscayne, 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
Rip Current Statement

Today's Weather

Sun, May 17

Humid; a brief shower or two this morning followed by a thunderstorm in spots this afternoon; watch for unusually rough surf and rip currents Hi: 84°

Tonight: Breezy this evening; partly cloudy and humid with a brief shower or two Lo: 80°

Current Weather

10:18 AM

77°F
RealFeel® 85°
Partly sunny More Details
RealFeel Shade™ 78°
Wind E 9 mph
Wind Gusts 13 mph
Air Quality Fair

MINUTECAST®

Rain and a thunderstorm starting in 39 min

Now
11:18 AM

Key Biscayne Weather Radar

Key Biscayne Weather Radar
Static Radar Temporarily Unavailable
Thank you for your patience as we work to get everything up and running again.
Refresh Page
Clouds
Temperature

Hourly Weather

11 AM 80°
rain drop 53%
12 PM 81°
rain drop 49%
1 PM 82°
rain drop 45%
2 PM 83°
rain drop 47%
3 PM 83°
rain drop 51%
4 PM 83°
rain drop 47%
5 PM 84°
rain drop 34%
6 PM 84°
rain drop 34%
7 PM 84°
rain drop 37%
8 PM 83°
rain drop 43%
9 PM 83°
rain drop 47%
10 PM 82°
rain drop 51%

10-Day Weather Forecast

Today

5/17

84° 80°

A t-storm around in the p.m.

Night: Humid with a shower or two

87%

Mon

5/18

85° 79°

Breezy; a stray p.m. t-storm

An evening t-storm in spots

55%

Tue

5/19

84° 78°

A t-storm around in the p.m.

Humid with a few showers

55%

Wed

5/20

85° 79°

Humid; a few morning showers

Mainly clear and humid

60%

Thu

5/21

85° 79°

Humid with a few showers

Mainly clear and humid

64%

Fri

5/22

86° 80°

Mostly sunny and humid

Mainly clear, warm and humid

20%

Sat

5/23

85° 79°

Cloudy, a thunderstorm; humid

Humid with a few showers

55%

Sun

5/24

86° 80°

Humid with a t-storm possible

Partly cloudy, showers around

30%

Mon

5/25

84° 79°

Humid with a t-storm possible

Humid; showers around early

30%

Tue

5/26

85° 79°

Humid; a morning shower

A bit of rain late

49%

Sun & Moon

13 hrs 26 mins
Rise 6:34 AM
Set 8:00 PM
Waxing Crescent
Rise 6:56 AM
Set 9:26 PM

Air Quality

See More
Air Quality Fair

The air quality is generally acceptable for most individuals. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.

Allergy Outlook

See All
Tree Pollen Low Data is not supported in this location Ragweed Pollen Low Data is not supported in this location Mold Low Data is not supported in this location Grass Pollen Low Data is not supported in this location Dust & Dander Extreme Data is not supported in this location

Top Stories

Climate

Super El Niño could strain food and water supplies around the world

2 days ago

Severe Weather

High-risk severe weather setup to focus on Plains, Midwest into Monday

2 hours ago

Weather Forecasts

Heat wave to complete spring weather whiplash, worsen drought in East

4 hours ago

Severe Weather

Deadly storms, flooding rain kill at least 96 in India

1 day ago

Winter Weather

Winter to return to Colorado, Wyoming with more May mountain snow

4 hours ago

More Stories

Featured Stories

Hurricane

El Nino to fuel Pacific hurricane season, raise risks for California

2 days ago

Health

Wet spring, more mice? The weather link behind rare hantavirus risk

2 days ago

Climate

Turkmenistan's fiery 'Gates of Hell' crater is dimming

2 days ago

Weather News

Here's how New York residents can get free A/C this summer

3 days ago

Recreation

Brain-eating amoeba found in hot springs at 3 National Parks: study

4 days ago

World North America United States Florida Key Biscayne

Weather Near Key Biscayne:

  • 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

...

...

...