Today | Weather | Sunday, June 7, 2026

Weather in Port St. Lucie, Florida

05:47 AM
Now
Cloudy Night
73° F
Feels Like 77°
Precipitation 44 %
Wind 7 mph
Humidity 86 %
Today
Sunny with a Chance of Thunderstorms
Day 88°
Night 72°
Precipitation 55 %
Wind 10 mph
UV Index (0 - 11+) 9

Warning: High UV Index Today: 9

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

58 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (June 7, 2025)
Cloudy Weather

Day

99°

Night

72°

Wind

8 mph

UV Index

12

Precipitation

25 %

Air Quality in Port St. Lucie

NOW
21 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.6 µg/m³
PM10 6.27 µg/m³
O3 0.023 ppm
NO2 1.7 ppb
SO2 0.2 ppb
CO 0.10 ppm
NH3 0.1 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)
PM2.52.6 µg/m³
PM106.27 µg/m³
O344.2 µg/m³
NO23.14 µg/m³
SO20.48 µg/m³
CO109.04 µg/m³
NH30.1 µg/m³
NO0 µg/m³