Today | Weather | Thursday, April 2, 2026

Weather in St. Petersburg, Florida

06:23 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

7 minutes 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