Today | Weather | Monday, June 29, 2026

Weather in St. Petersburg, Florida

09:26 AM
Now
Cloudy Weather
84° F
Feels Like 100°
Precipitation 7 %
Wind 5 mph
UV Index (0 - 11+) 3
Humidity 80 %
Today
Stormy Weather
Day 91°
Night 82°
Precipitation 56 %
Wind 7 mph
UV Index (0 - 11+) 10

Warning: High UV Index Today: 10

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

58 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (June 29, 2025)
Sunny with a Chance of Thunderstorms

Day

88°

Night

77°

Wind

7 mph

UV Index

12

Precipitation

42 %

Air Quality in St. Petersburg

NOW
30 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.04 µg/m³
PM10 4.91 µg/m³
O3 0.032 ppm
NO2 0.2 ppb
SO2 0.1 ppb
CO 0.09 ppm
NH3 0.02 µg/m³
NO 0.04 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)
PM2.53.04 µg/m³
PM104.91 µg/m³
O362.87 µg/m³
NO20.38 µg/m³
SO20.16 µg/m³
CO107.73 µg/m³
NH30.02 µg/m³
NO0.04 µg/m³