Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Lala’s stormy close encounter with Hawaii to last into Sunday night. See the latest. Chevron right

Port St. Lucie, FL

79°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Port St. Lucie

Florida

79°
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
Port St. Lucie, 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

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

6 AM

75°
RealFeel® 83°
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.
LEARN MORE
rain drop 20%
Chevron down
Clear

WindSW 5 mph

Air QualityPoor

Wind Gusts5 mph

Humidity100%

Indoor Humidity95% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover3%

Visibility10 mi

Cloud Ceiling33300 ft

7 AM

76°
RealFeel® 85°
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.
LEARN MORE
rain drop 15%
Chevron down
Sunny

RealFeel Shade™85°

WindSW 5 mph

Air QualityPoor

Max UV Index0.5 (Low)

Wind Gusts5 mph

Humidity95%

Indoor Humidity95% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

79°
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
rain drop 5%
Chevron down
Sunny

RealFeel Shade™87°

Heat Index81°

WindSW 5 mph

Air QualityPoor

Max UV Index1.6 (Low)

Wind Gusts6 mph

Humidity91%

Indoor Humidity91% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

82°
RealFeel® 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.
LEARN MORE
rain drop 5%
Chevron down
Sunny

RealFeel Shade™90°

Heat Index89°

WindSW 6 mph

Air QualityPoor

Max UV Index2.8 (Moderate)

Wind Gusts7 mph

Humidity84%

Indoor Humidity84% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

87°
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.
LEARN MORE
rain drop 6%
Chevron down
Sunny
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Monday

RealFeel Shade™95°

Heat Index99°

WindWSW 6 mph

Air QualityPoor

Max UV Index4.5 (Moderate)

Wind Gusts9 mph

Humidity73%

Indoor Humidity73% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

91°
RealFeel® 108°
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
rain drop 7%
Chevron down
Sunny
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Monday

RealFeel Shade™100°

Heat Index105°

WindW 7 mph

Air QualityPoor

Max UV Index7.1 (High)

Wind Gusts12 mph

Humidity64%

Indoor Humidity64% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover3%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

94°
RealFeel® 111°
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
rain drop 7%
Chevron down
Mostly sunny
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Monday

RealFeel Shade™102°

Heat Index108°

WindW 7 mph

Air QualityPoor

Max UV Index10.0 (Very High)

Wind Gusts13 mph

Humidity59%

Indoor Humidity59% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

95°
RealFeel® 113°
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
rain drop 9%
Chevron down
Mostly sunny
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Monday

RealFeel Shade™102°

Heat Index109°

WindWNW 7 mph

Air QualityPoor

Max UV Index11.1 (Extreme)

Wind Gusts12 mph

Humidity53%

Indoor Humidity53% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover19%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

97°
RealFeel® 113°
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
rain drop 14%
Chevron down
Mostly sunny
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Monday

RealFeel Shade™103°

Heat Index109°

WindW 6 mph

Air QualityPoor

Max UV Index10.0 (Very High)

Wind Gusts12 mph

Humidity49%

Indoor Humidity49% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

98°
RealFeel® 112°
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
rain drop 14%
Chevron down
Mostly sunny
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Monday

RealFeel Shade™104°

Heat Index110°

WindW 6 mph

Air QualityPoor

Max UV Index7.1 (High)

Wind Gusts10 mph

Humidity46%

Indoor Humidity46% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

97°
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
rain drop 18%
Chevron down
Mostly sunny
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Monday

RealFeel Shade™103°

Heat Index108°

WindSSW 7 mph

Air QualityPoor

Max UV Index4.5 (Moderate)

Wind Gusts9 mph

Humidity48%

Indoor Humidity48% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

94°
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.
LEARN MORE
rain drop 51%
Chevron down
Partly sunny w/ t-storms
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Monday

RealFeel Shade™99°

Heat Index106°

WindSSE 7 mph

Air QualityPoor

Max UV Index2.8 (Moderate)

Wind Gusts8 mph

Humidity53%

Indoor Humidity53% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover24%

Rain0.04 in

Visibility6 mi

Cloud Ceiling30000 ft

6 PM

94°
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.
LEARN MORE
rain drop 47%
Chevron down
Mostly sunny
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Monday

RealFeel Shade™100°

Heat Index104°

WindSSE 7 mph

Air QualityPoor

Max UV Index1.6 (Low)

Wind Gusts8 mph

Humidity53%

Indoor Humidity53% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

92°
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.
LEARN MORE
rain drop 31%
Chevron down
Mostly sunny
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Monday

RealFeel Shade™100°

Heat Index102°

WindSE 6 mph

Air QualityPoor

Max UV Index0.5 (Low)

Wind Gusts7 mph

Humidity57%

Indoor Humidity57% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

89°
RealFeel® 98°
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
rain drop 6%
Chevron down
Mostly clear

Heat Index100°

WindSE 6 mph

Air QualityPoor

Wind Gusts7 mph

Humidity64%

Indoor Humidity64% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

86°
RealFeel® 96°
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
rain drop 6%
Chevron down
Mostly clear

Heat Index96°

WindSSE 6 mph

Air QualityPoor

Wind Gusts7 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover18%

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.
LEARN MORE
rain drop 6%
Chevron down
Mostly clear

Heat Index93°

WindS 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity75%

Indoor Humidity75% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

82°
RealFeel® 90°
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
rain drop 6%
Chevron down
Clear

Heat Index89°

WindSSW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity80%

Indoor Humidity80% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover3%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Port St. Lucie

AccuWeather's hourly forecast for Port St. Lucie provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 75° with a RealFeel® of 83°, clear with a 20% 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

Wednesday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Hurricane

Lala's stormy close encounter with Hawaii to last into Sunday night

12 minutes ago

Hurricane

Lala triggers destructive Hawaii flooding, widespread power outages

14 minutes ago

Weather Forecasts

Dangerous heat dome to reign across the South with little relief

2 hours ago

Severe Weather

Flooding sweeps northern Indiana, breaking 113-year-old record

2 days ago

Severe Weather

Severe weather, flooding threat to stretch from Plains to East

42 minutes ago

 More Stories

Featured Stories

Weather News

Powerful 7.7 magnitude earthquake hits Indonesia

2 days ago

Weather News

3 child hot car deaths reported in 3 days as U.S. toll reaches 20

2 days ago

Weather News

How deadly is quicksand, really? And how can you escape?

4 days ago

Astronomy

Stunning images reveal ‘whirlpools’ swirling across the sun

4 days ago

Climate

How extreme heat could affect your grocery bill

5 days ago
World North America United States Florida Port St. Lucie

Weather Near Port St. Lucie:

  • Boca Raton, FL
  • Miami, FL
  • West Palm Beach, 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

...

...

...