Hourly Weather | Today Thursday, September 11, 2025
Active Weather Warnings
Port St. Lucie, Florida
6 AM
Cloudy Night
73°
Feels Like 82°
34
Humidity: 98%
Wind: 4 mph
UV Index: 0
7 AM
Cloudy Night
75°
Feels Like 82°
34
Humidity: 96%
Wind: 4 mph
UV Index: 0
8 AM
Cloudy Weather
75°
Feels Like 86°
34
Humidity: 98%
Wind: 5 mph
UV Index: 6
9 AM
Cloudy Weather
79°
Feels Like 90°
34
Humidity: 91%
Wind: 6 mph
UV Index: 11
10 AM
Cloudy Weather
82°
Feels Like 93°
37
Humidity: 83%
Wind: 6 mph
UV Index: 16
11 AM
Cloudy Weather
84°
Feels Like 99°
43
Humidity: 76%
Wind: 7 mph
UV Index: 21
12 PM
Cloudy Weather
88°
Feels Like 100°
47
Humidity: 69%
Wind: 8 mph
UV Index: 26
1 PM
Stormy Weather
84°
Feels Like 97°
51
Humidity: 80%
Wind: 8 mph
UV Index: 21
2 PM
Stormy Weather
82°
Feels Like 91°
75
Humidity: 86%
Wind: 9 mph
UV Index: 15
3 PM
Stormy Weather
81°
Feels Like 86°
75
Humidity: 92%
Wind: 9 mph
UV Index: 10
4 PM
Cloudy Weather
82°
Feels Like 91°
49
Humidity: 79%
Wind: 10 mph
UV Index: 10
5 PM
Cloudy Weather
82°
Feels Like 90°
34
Humidity: 79%
Wind: 10 mph
UV Index: 6
6 PM
Cloudy Weather
82°
Feels Like 90°
34
Humidity: 76%
Wind: 9 mph
UV Index: 3
7 PM
Cloudy Weather
81°
Feels Like 88°
40
Humidity: 81%
Wind: 8 mph
UV Index: 0
8 PM
Stormy Weather
81°
Feels Like 81°
51
Humidity: 82%
Wind: 7 mph
UV Index: 0
9 PM
Cloudy Night
77°
Feels Like 84°
47
Humidity: 88%
Wind: 6 mph
UV Index: 0
10 PM
Cloudy Night
77°
Feels Like 84°
40
Humidity: 87%
Wind: 6 mph
UV Index: 0
11 PM
Cloudy Night
79°
Feels Like 84°
34
Humidity: 86%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

6 AM
32 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 2.92 µg/m³
  • PM10: 3.45 µg/m³
  • O₃: 18.28 ppb
  • NO₂: 3.28 ppb
  • SO₂: 0.38 ppb
  • CO: 125.66 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

7 AM
31 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 2.72 µg/m³
  • PM10: 3.26 µg/m³
  • O₃: 19.26 ppb
  • NO₂: 2.94 ppb
  • SO₂: 0.35 ppb
  • CO: 124.66 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

8 AM
31 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 2.70 µg/m³
  • PM10: 3.30 µg/m³
  • O₃: 20.23 ppb
  • NO₂: 2.60 ppb
  • SO₂: 0.32 ppb
  • CO: 123.65 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

9 AM
30 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 2.35 µg/m³
  • PM10: 3.10 µg/m³
  • O₃: 25.44 ppb
  • NO₂: 2.09 ppb
  • SO₂: 0.30 ppb
  • CO: 116.63 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

10 AM
29 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 2.23 µg/m³
  • PM10: 3.02 µg/m³
  • O₃: 30.65 ppb
  • NO₂: 1.59 ppb
  • SO₂: 0.28 ppb
  • CO: 109.61 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

11 AM
28 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 2.05 µg/m³
  • PM10: 2.75 µg/m³
  • O₃: 35.86 ppb
  • NO₂: 1.09 ppb
  • SO₂: 0.26 ppb
  • CO: 102.60 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

12 PM
27 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 1.97 µg/m³
  • PM10: 2.58 µg/m³
  • O₃: 37.36 ppb
  • NO₂: 0.98 ppb
  • SO₂: 0.23 ppb
  • CO: 101.55 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

1 PM
26 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 2.03 µg/m³
  • PM10: 2.70 µg/m³
  • O₃: 38.86 ppb
  • NO₂: 0.87 ppb
  • SO₂: 0.21 ppb
  • CO: 100.51 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

2 PM
28 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 2.13 µg/m³
  • PM10: 2.85 µg/m³
  • O₃: 40.36 ppb
  • NO₂: 0.76 ppb
  • SO₂: 0.19 ppb
  • CO: 99.47 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

3 PM
30 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 2.27 µg/m³
  • PM10: 3.08 µg/m³
  • O₃: 38.28 ppb
  • NO₂: 0.88 ppb
  • SO₂: 0.17 ppb
  • CO: 99.68 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

4 PM
32 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 2.12 µg/m³
  • PM10: 2.85 µg/m³
  • O₃: 36.19 ppb
  • NO₂: 1.00 ppb
  • SO₂: 0.15 ppb
  • CO: 99.88 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

5 PM
33 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 2.20 µg/m³
  • PM10: 3.02 µg/m³
  • O₃: 34.11 ppb
  • NO₂: 1.12 ppb
  • SO₂: 0.13 ppb
  • CO: 100.09 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

6 PM
33 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 2.22 µg/m³
  • PM10: 3.04 µg/m³
  • O₃: 31.44 ppb
  • NO₂: 2.08 ppb
  • SO₂: 0.15 ppb
  • CO: 108.16 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

7 PM
33 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 2.35 µg/m³
  • PM10: 3.12 µg/m³
  • O₃: 28.78 ppb
  • NO₂: 3.05 ppb
  • SO₂: 0.17 ppb
  • CO: 116.23 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

8 PM
31 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 2.94 µg/m³
  • PM10: 3.74 µg/m³
  • O₃: 26.12 ppb
  • NO₂: 4.01 ppb
  • SO₂: 0.18 ppb
  • CO: 124.30 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

9 PM
30 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 3.50 µg/m³
  • PM10: 4.33 µg/m³
  • O₃: 24.75 ppb
  • NO₂: 4.70 ppb
  • SO₂: 0.21 ppb
  • CO: 129.90 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

Weather Alerts and Warnings for Port St. Lucie

Moderate Expected Likely

Rip Current Statement

Rip Current Statement issued September 11 at 2:31AM EDT until September 13 at 4:00AM EDT by NWS Melbourne FL
Sep 11, 2:31 AM Sep 13, 4:00 AM
WHAT: Dangerous rip currents and rough surf.

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

WHEN: Through late Friday night.

IMPACTS: Rip currents can sweep even the best swimmers away
from shore into deeper water.
+ Read More
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: Sep 11, 3:57 AM Source: NWS Alert