Hourly Weather | Today Wednesday, April 8, 2026
Active Weather Warnings
Port St. Lucie, Florida
2 AM
Cloudy Weather
70°
Feels Like 66°
49
Humidity: 85%
UV Index: 0
Wind: 20 mph
3 AM
Rainy Weather
70°
Feels Like 63°
72
Humidity: 84%
UV Index: 0
Wind: 20 mph
4 AM
Rainy Weather
70°
Feels Like 63°
73
Humidity: 84%
UV Index: 0
Wind: 20 mph
5 AM
Rainy Weather
70°
Feels Like 63°
59
Humidity: 85%
UV Index: 0
Wind: 20 mph
6 AM
Cloudy Weather
70°
Feels Like 66°
49
Humidity: 84%
UV Index: 0
Wind: 20 mph
7 AM
Cloudy Weather
72°
Feels Like 66°
49
Humidity: 83%
UV Index: 0
Wind: 20 mph
8 AM
Stormy Weather
72°
Feels Like 63°
71
Humidity: 82%
UV Index: 0
Wind: 16 mph
9 AM
Stormy Weather
72°
Feels Like 64°
71
Humidity: 79%
UV Index: 1
Wind: 17 mph
10 AM
Cloudy Weather
73°
Feels Like 73°
49
Humidity: 76%
UV Index: 1
Wind: 18 mph
11 AM
Cloudy Weather
75°
Feels Like 75°
34
Humidity: 73%
UV Index: 2
Wind: 20 mph
12 PM
Cloudy Weather
77°
Feels Like 75°
34
Humidity: 70%
UV Index: 2
Wind: 21 mph
1 PM
Cloudy Weather
75°
Feels Like 75°
39
Humidity: 72%
UV Index: 3
Wind: 21 mph
2 PM
Cloudy Weather
75°
Feels Like 75°
49
Humidity: 74%
UV Index: 2
Wind: 20 mph
3 PM
Stormy Weather
72°
Feels Like 68°
63
Humidity: 88%
UV Index: 1
Wind: 20 mph
4 PM
Cloudy Weather
73°
Feels Like 72°
49
Humidity: 85%
UV Index: 1
Wind: 20 mph
5 PM
Cloudy Weather
73°
Feels Like 72°
49
Humidity: 81%
UV Index: 1
Wind: 20 mph
6 PM
Stormy Weather
73°
Feels Like 66°
60
Humidity: 80%
UV Index: 0
Wind: 18 mph
7 PM
Cloudy Weather
72°
Feels Like 70°
49
Humidity: 82%
UV Index: 0
Wind: 17 mph
8 PM
Cloudy Weather
72°
Feels Like 68°
49
Humidity: 84%
UV Index: 0
Wind: 18 mph
9 PM
Stormy Weather
70°
Feels Like 63°
66
Humidity: 86%
UV Index: 0
Wind: 17 mph
10 PM
Cloudy Weather
70°
Feels Like 66°
49
Humidity: 85%
UV Index: 0
Wind: 17 mph
11 PM
Cloudy Weather
72°
Feels Like 68°
49
Humidity: 83%
UV Index: 0
Wind: 17 mph

Hourly Air Quality Forecast - AQI (US EPA)

2 AM
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.19 µg/m³
  • PM10: 3.28 µg/m³
  • O3: 0.029 ppm
  • NO2: 2.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

3 AM
29 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.73 µg/m³
  • PM10: 4.27 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

4 AM
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.18 µg/m³
  • PM10: 5.05 µg/m³
  • O3: 0.033 ppm
  • NO2: 1.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

5 AM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.44 µg/m³
  • PM10: 5.5 µg/m³
  • O3: 0.035 ppm
  • NO2: 1.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 AM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.57 µg/m³
  • PM10: 5.65 µg/m³
  • O3: 0.037 ppm
  • NO2: 1 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 AM
35 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.58 µg/m³
  • PM10: 5.51 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 AM
35 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.44 µg/m³
  • PM10: 5.12 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 AM
35 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.13 µg/m³
  • PM10: 4.49 µg/m³
  • O3: 0.038 ppm
  • NO2: 1.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 AM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.9 µg/m³
  • PM10: 4.06 µg/m³
  • O3: 0.037 ppm
  • NO2: 1.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 AM
35 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.87 µg/m³
  • PM10: 4 µg/m³
  • O3: 0.037 ppm
  • NO2: 1.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

12 PM
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.75 µg/m³
  • PM10: 3.88 µg/m³
  • O3: 0.041 ppm
  • NO2: 1 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

1 PM
39 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.71 µg/m³
  • PM10: 3.75 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

2 PM
40 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.77 µg/m³
  • PM10: 3.72 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

3 PM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.8 µg/m³
  • PM10: 3.69 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

4 PM
42 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.94 µg/m³
  • PM10: 3.89 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

5 PM
42 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.02 µg/m³
  • PM10: 4.05 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 PM
42 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.06 µg/m³
  • PM10: 4.31 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 PM
42 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.21 µg/m³
  • PM10: 4.87 µg/m³
  • O3: 0.045 ppm
  • NO2: 1 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 PM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.29 µg/m³
  • PM10: 5.27 µg/m³
  • O3: 0.045 ppm
  • NO2: 1.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.38 µg/m³
  • PM10: 5.67 µg/m³
  • O3: 0.044 ppm
  • NO2: 1.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.47 µg/m³
  • PM10: 6.08 µg/m³
  • O3: 0.044 ppm
  • NO2: 1.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.45 µg/m³
  • PM10: 6.4 µg/m³
  • O3: 0.044 ppm
  • NO2: 1.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Weather Alerts and Warnings for Port St. Lucie

Severe Future Possible

Flood Watch

Flood Watch issued April 7 at 2:43PM EDT until April 8 at 10:00PM EDT by NWS Melbourne FL
Apr 7, 2:43 PM Apr 8, 10:00 PM
WHAT: Flooding caused by excessive rainfall continues to be
possible.

WHERE: A portion of east central Florida, including the following
counties, Volusia, Brevard, Indian River, Martin, Saint Lucie.

WHEN: Through Wednesday evening.

IMPACTS: Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.

ADDITIONAL DETAILS:
- Slow-moving bands of rain will continue to be possible
through tomorrow. Additional rainfall totals of 1 to 3 inches
are forecast with localized totals to 7 inches possible which
may lead to isolated instances of flash flooding.
- http://www.weather.gov/safety/flood
+ Read More
You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
Updated: Apr 8, 12:34 AM Source: NWS Alert
Moderate Expected Likely

Wind Advisory

Wind Advisory issued April 7 at 11:53PM EDT until April 9 at 5:00AM EDT by NWS Melbourne FL
Apr 7, 11:53 PM Apr 9, 5:00 AM
WHAT: Northeast winds 15 to 25 mph with gusts up to 45 mph.

WHERE: Coastal Indian River, Coastal Saint Lucie, Inland Indian
River, and Inland Saint Lucie.

WHEN: Until 5 AM EDT Thursday.

IMPACTS: Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
+ Read More
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Updated: Apr 8, 12:34 AM Source: NWS Alert
Moderate Expected Likely

Rip Current Statement

Rip Current Statement issued April 7 at 10:10PM EDT until April 11 at 2:00AM EDT by NWS Melbourne FL
Apr 7, 10:10 PM Apr 11, 2:00 AM
WHAT: For the High Rip Current Risk, dangerous rip currents.
For the High Surf Advisory, large breaking waves of 9 to 12
feet expected in the surf zone.

WHERE: Coastal Volusia, Coastal Brevard, Coastal Indian River,
Coastal Saint Lucie, and Coastal Martin Counties.

WHEN: For the High Rip Current Risk, through late Friday night.
For the High Surf Advisory, through 8 PM EDT Thursday.

IMPACTS: Dangerous swimming and surfing conditions and
localized beach erosion. Rip currents can sweep even the best
swimmers away from shore into deeper water.
+ Read More
High surf will affect the beaches in the advisory area, producing localized beach erosion and dangerous swimming conditions. Swimmers should remain out of the water due to large breaking waves and dangerous surf conditions. Rip currents are powerful channels of water flowing quickly away from shore, which occur most often at low spots or breaks in the sandbar and in the vicinity of structures such as jetties and piers. Heed the advice of lifeguards, beach patrol flags and signs. Entering the surf is strongly discouraged. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.
Updated: Apr 8, 12:34 AM Source: NWS Alert
Minor Expected Likely

High Surf Advisory

High Surf Advisory issued April 7 at 10:10PM EDT until April 9 at 8:00PM EDT by NWS Melbourne FL
Apr 7, 10:10 PM Apr 9, 8:00 PM
WHAT: For the High Rip Current Risk, dangerous rip currents.
For the High Surf Advisory, large breaking waves of 9 to 12
feet expected in the surf zone.

WHERE: Coastal Volusia, Coastal Brevard, Coastal Indian River,
Coastal Saint Lucie, and Coastal Martin Counties.

WHEN: For the High Rip Current Risk, through late Friday night.
For the High Surf Advisory, through 8 PM EDT Thursday.

IMPACTS: Dangerous swimming and surfing conditions and
localized beach erosion. Rip currents can sweep even the best
swimmers away from shore into deeper water.
+ Read More
High surf will affect the beaches in the advisory area, producing localized beach erosion and dangerous swimming conditions. Swimmers should remain out of the water due to large breaking waves and dangerous surf conditions. Rip currents are powerful channels of water flowing quickly away from shore, which occur most often at low spots or breaks in the sandbar and in the vicinity of structures such as jetties and piers. Heed the advice of lifeguards, beach patrol flags and signs. Entering the surf is strongly discouraged. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.
Updated: Apr 8, 12:34 AM Source: NWS Alert