Today | Weather | Wednesday, January 7, 2026

Weather in St. Petersburg, Florida

06:11 PM
Now
Night
73° F
Feels Like 73°
Precipitation 13 %
Wind 6 mph
Humidity 80 %
Today
Cloudy Weather
Day 79°
Night 64°
Precipitation 40 %
Wind 6 mph
UV Index (0 - 11+) 3

St. Petersburg Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (January 7, 2025)
Cloudy Weather

Day

54°

Night

45°

Wind

11 mph

UV Index

3

Precipitation

2 %

Air Quality in St. Petersburg

NOW
37 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.99 µg/m³
PM10 5.64 µg/m³
O3 0.040 ppm
NO2 0.1 ppb
SO2 0.1 ppb
CO 0.10 ppm
NH3 0 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)
PM2.52.99 µg/m³
PM105.64 µg/m³
O378.28 µg/m³
NO20.15 µg/m³
SO20.16 µg/m³
CO116.16 µg/m³
NH30 µg/m³
NO0 µg/m³