Today | Weather | Saturday, August 29, 2026

Weather in Port St. Lucie, Florida

05:46 AM
Now
Night
77° F
Feels Like 88°
Precipitation 48 %
Wind 4 mph
Humidity 96 %
Today
Stormy Weather
Day 90°
Night 77°
Precipitation 57 %
Wind 8 mph
UV Index (0 - 11+) 7

Port St. Lucie Weather Forecast Updated

55 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (August 29, 2025)
Stormy Weather

Day

91°

Night

73°

Wind

6 mph

Precipitation

55 %

Air Quality in Port St. Lucie

NOW
22 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 5.19 µg/m³
PM10 7.72 µg/m³
O3 0.010 ppm
NO2 2.5 ppb
SO2 0.2 ppb
CO 0.13 ppm
NH3 0.22 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

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

Show raw pollutant concentrations (µg/m³)
PM2.55.19 µg/m³
PM107.72 µg/m³
O320.24 µg/m³
NO24.71 µg/m³
SO20.42 µg/m³
CO151.4 µg/m³
NH30.22 µg/m³
NO0 µg/m³