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Port St. Lucie, FL

89°F
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Port St. Lucie

Florida

89°
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Port St. Lucie, FL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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

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12 PM

94°
RealFeel® 110°
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 5%
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Mostly sunny
alerts

Heat Advisory

10:00 AM Tuesday - 8:00 PM Tuesday

RealFeel Shade™101°

Heat Index107°

WindWNW 8 mph

Air QualityFair

Max UV Index9.9 (Very High)

Wind Gusts14 mph

Humidity58%

Indoor Humidity58% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover12%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

96°
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 8%
Chevron down
Mostly sunny
alerts

Heat Advisory

10:00 AM Tuesday - 8:00 PM Tuesday

RealFeel Shade™101°

Heat Index108°

WindWNW 8 mph

Air QualityFair

Max UV Index11.1 (Extreme)

Wind Gusts15 mph

Humidity52%

Indoor Humidity52% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover18%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

97°
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 43%
Chevron down
Mostly sunny
alerts

Heat Advisory

10:00 AM Tuesday - 8:00 PM Tuesday

RealFeel Shade™102°

Heat Index109°

WindWNW 8 mph

Air QualityFair

Max UV Index9.9 (Very High)

Wind Gusts16 mph

Humidity48%

Indoor Humidity48% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover22%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

99°
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 47%
Chevron down
Mostly sunny
alerts

Heat Advisory

10:00 AM Tuesday - 8:00 PM Tuesday

RealFeel Shade™104°

Heat Index110°

WindWNW 8 mph

Air QualityFair

Max UV Index7.1 (High)

Wind Gusts16 mph

Humidity45%

Indoor Humidity45% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover24%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

96°
RealFeel® 105°
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%
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Mostly cloudy w/ t-storms
alerts

Heat Advisory

10:00 AM Tuesday - 8:00 PM Tuesday

RealFeel Shade™103°

Heat Index113°

WindWNW 8 mph

Air QualityFair

Max UV Index1.5 (Low)

Wind Gusts15 mph

Humidity58%

Indoor Humidity58% (Dangerously Humid)

Dew Point79° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.16 in

Visibility4 mi

Cloud Ceiling2000 ft

5 PM

93°
RealFeel® 101°
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 24%
Chevron down
Mostly sunny
alerts

Heat Advisory

10:00 AM Tuesday - 8:00 PM Tuesday

RealFeel Shade™98°

Heat Index102°

WindWNW 8 mph

Air QualityFair

Max UV Index2.8 (Moderate)

Wind Gusts15 mph

Humidity53%

Indoor Humidity53% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover23%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

93°
RealFeel® 100°
Very Hot
RealFeel Guide
Very 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 19%
Chevron down
Mostly sunny
alerts

Heat Advisory

10:00 AM Tuesday - 8:00 PM Tuesday

RealFeel Shade™98°

Heat Index102°

WindWSW 7 mph

Air QualityFair

Max UV Index1.6 (Low)

Wind Gusts12 mph

Humidity52%

Indoor Humidity52% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover24%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

92°
RealFeel® 99°
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 16%
Chevron down
Mostly sunny
alerts

Heat Advisory

10:00 AM Tuesday - 8:00 PM Tuesday

RealFeel Shade™99°

Heat Index102°

WindSSE 7 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts7 mph

Humidity55%

Indoor Humidity55% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

89°
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.
LEARN MORE
rain drop 9%
Chevron down
Mostly clear

Heat Index100°

WindSE 6 mph

Air QualityFair

Wind Gusts9 mph

Humidity63%

Indoor Humidity63% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

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.
LEARN MORE
rain drop 9%
Chevron down
Mostly clear

Heat Index96°

WindSSE 6 mph

Air QualityFair

Wind Gusts6 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

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.
LEARN MORE
rain drop 9%
Chevron down
Mostly clear

Heat Index91°

WindSSW 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity78%

Indoor Humidity78% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

80°
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 9%
Chevron down
Mostly clear

Heat Index86°

WindSW 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity86%

Indoor Humidity86% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

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 94° with a RealFeel® of 110°, mostly sunny with a 5% 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.

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World North America United States Florida Port St. Lucie

Weather Near Port St. Lucie:

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