Today | Weather | Tuesday, January 13, 2026

Weather in Port St. Lucie, Florida

03:31 PM
Now
Cloudy Weather
75° F
Feels Like 73°
Precipitation 7 %
Wind 9 mph
UV Index (0 - 11+) 1
Humidity 65 %
Today
Cloudy Weather
Day 77°
Night 63°
Precipitation 25 %
Wind 8 mph
UV Index (0 - 11+) 2

Port St. Lucie Weather Forecast Updated

Weather Forecast History
Last Year's Weather on This Day (January 13, 2025)
Cloudy Weather

Day

81°

Night

61°

Wind

6 mph

UV Index

4

Precipitation

7 %

Air Quality in Port St. Lucie

NOW
49 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 4.82 µg/m³
PM10 7.47 µg/m³
O3 0.053 ppm
NO2 0.9 ppb
SO2 0.2 ppb
CO 0.12 ppm
NH3 0.18 µg/m³
NO 0.12 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)
PM2.54.82 µg/m³
PM107.47 µg/m³
O3103.87 µg/m³
NO21.75 µg/m³
SO20.57 µg/m³
CO137.24 µg/m³
NH30.18 µg/m³
NO0.12 µg/m³