For Business
|
Warnings
Data Suite
Forensics
Advertising
Superior Accuracy™

Lala sweeps away 100 homes in Hawaii. Click for the latest.

Port St. Lucie, FL

Location

Location News Videos

Use Current Location

Recent

Port St. Lucie

Florida

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

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

Hourly

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

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

1 PM

93°

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.

9%

Mostly sunny

Heat Advisory

10:00 AM Monday - 8:00 PM Monday

RealFeel Shade™101°

Heat Index108°

WindWNW 7 mph

Air QualityPoor

Max UV Index11.1 (Extreme)

Wind Gusts12 mph

Humidity60%

Indoor Humidity60% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover18%

Visibility10 mi

Cloud Ceiling33400 ft

2 PM

96°

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.

14%

Mostly sunny

Heat Advisory

10:00 AM Monday - 8:00 PM Monday

RealFeel Shade™103°

Heat Index108°

WindW 6 mph

Air QualityPoor

Max UV Index10.0 (Very High)

Wind Gusts12 mph

Humidity50%

Indoor Humidity50% (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.

14%

Mostly sunny

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.

18%

Mostly sunny

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

Humidity49%

Indoor Humidity49% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

95°

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.

51%

Partly sunny w/ t-storms

Heat Advisory

10:00 AM Monday - 8:00 PM Monday

RealFeel Shade™100°

Heat Index107°

WindSSE 7 mph

Air QualityPoor

Max UV Index2.8 (Moderate)

Wind Gusts7 mph

Humidity52%

Indoor Humidity52% (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.

47%

Mostly sunny

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 Gusts7 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.

31%

Mostly sunny

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

88°

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.

6%

Mostly clear

Heat Index99°

WindSE 6 mph

Air QualityPoor

Wind Gusts7 mph

Humidity67%

Indoor Humidity67% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

86°

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.

6%

Mostly clear

Heat Index96°

WindSSE 6 mph

Air QualityPoor

Wind Gusts6 mph

Humidity72%

Indoor Humidity72% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover18%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

83°

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.

6%

Mostly clear

Heat Index92°

WindSSE 6 mph

Air QualityPoor

Wind Gusts6 mph

Humidity78%

Indoor Humidity78% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

82°

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.

6%

Clear

Heat Index88°

WindS 6 mph

Air QualityPoor

Wind Gusts6 mph

Humidity82%

Indoor Humidity82% (Extremely Humid)

Dew Point76° 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 93° with a RealFeel® of 112°, mostly sunny with a 9% 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 sweeps away 100 homes in Hawaii after brushing Big Island

1 hour ago

Weather Forecasts

Dangerous heat dome to reign across the South with little relief

6 hours ago

Flooding from Lala cuts off communities in Hawaii

7 hours ago 1:23

Severe Weather

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

2 days ago

Severe Weather

Severe storms to continue to prowl Plains, Midwest and East this week

48 minutes ago

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

5 days ago

Climate

How extreme heat could affect your grocery bill

6 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

...

...

...