Today | Weather | Thursday, April 2, 2026

Weather in St. Petersburg, Florida

06:16 AM
Now
Cloudy Night
70° F
Feels Like 68°
Precipitation 0 %
Wind 10 mph
Humidity 83 %
Today
Cloudy Weather
Day 84°
Night 72°
Precipitation 25 %
Wind 8 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.

St. Petersburg Weather Forecast Updated

33 seconds ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (April 2, 2025)
Sunny Weather

Day

90°

Night

73°

Wind

11 mph

UV Index

9

Precipitation

0 %

Air Quality in St. Petersburg

NOW
45 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.7 µg/m³
PM10 5.85 µg/m³
O3 0.049 ppm
NO2 0.3 ppb
SO2 0.1 ppb
CO 0.12 ppm
NH3 0.09 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)
PM2.51.7 µg/m³
PM105.85 µg/m³
O395.34 µg/m³
NO20.57 µg/m³
SO20.34 µg/m³
CO135.67 µg/m³
NH30.09 µg/m³
NO0 µg/m³