Today | Weather | Wednesday, June 10, 2026

Weather in Port St. Lucie, Florida

12:56 AM
Now
Cloudy Weather
77° F
Feels Like 84°
Precipitation 49 %
Wind 7 mph
Humidity 92 %
Today
Stormy Weather
Day 90°
Night 70°
Precipitation 89 %
Wind 10 mph
UV Index (0 - 11+) 8

Warning: High UV Index Today: 8

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Port St. Lucie Weather Forecast Updated

23 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (June 10, 2025)
Sunny with a Chance of Thunderstorms

Day

93°

Night

73°

Wind

9 mph

UV Index

8

Precipitation

100 %

Air Quality in Port St. Lucie

NOW
17 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.32 µg/m³
PM10 5.46 µg/m³
O3 0.018 ppm
NO2 3.1 ppb
SO2 0.3 ppb
CO 0.11 ppm
NH3 0.12 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)
PM2.52.32 µg/m³
PM105.46 µg/m³
O335.37 µg/m³
NO25.88 µg/m³
SO20.83 µg/m³
CO123.82 µg/m³
NH30.12 µg/m³
NO0 µg/m³