Today | Weather | Saturday, January 3, 2026

Weather in St. Petersburg, Florida

04:14 PM
Now
Rainy Weather
73° F
Feels Like 68°
Precipitation 66 %
Wind 13 mph
UV Index (0 - 11+) 0
Humidity 76 %
Today
Partly Sunny with Showers
Day 75°
Night 66°
Precipitation 87 %
Wind 12 mph
UV Index (0 - 11+) 3

St. Petersburg Weather Forecast Updated

23 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (January 3, 2025)
Cloudy Weather

Day

66°

Night

52°

Wind

9 mph

UV Index

4

Precipitation

2 %

Air Quality in St. Petersburg

NOW
43 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.06 µg/m³
PM10 6.26 µg/m³
O3 0.047 ppm
NO2 0.1 ppb
SO2 0.1 ppb
CO 0.10 ppm
NH3 0 µg/m³
NO 0.02 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)
PM2.52.06 µg/m³
PM106.26 µg/m³
O392.19 µg/m³
NO20.14 µg/m³
SO20.27 µg/m³
CO113.08 µg/m³
NH30 µg/m³
NO0.02 µg/m³