Today | Weather | Thursday, October 8, 2026
Active Weather Warnings

Weather in St. Petersburg, Florida

08:50 AM
Now
Cloudy Weather
75° F
Feels Like 82°
Precipitation 49 %
Wind 9 mph
UV Index (0 - 11+) 0
Humidity 96 %
Today
Stormy Weather
Day 81°
Night 75°
Precipitation 99 %
Wind 9 mph
UV Index (0 - 11+) 1

St. Petersburg Weather Forecast Updated

49 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 8, 2025)
Cloudy Night

Day

90°

Night

75°

Wind

14 mph

Precipitation

5 %

Air Quality in St. Petersburg

NOW
21 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.55 µg/m³
PM10 1 µg/m³
O3 0.023 ppm
NO2 0.2 ppb
SO2 0 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)
PM2.5 – 0.55 µg/m³
PM10 – 1 µg/m³
O3 – 44.36 µg/m³
NO2 – 0.43 µg/m³
SO2 – 0.08 µg/m³
CO – 119.66 µg/m³
NH3 – 0 µg/m³
NO – 0 µg/m³

Weather Alerts and Warnings for St. Petersburg

Severe Future Possible

Flood Watch

Flood Watch issued October 8 at 1:34AM EDT until October 9 at 12:00AM EDT by NWS Tampa Bay Ruskin FL
Oct 8, 5:00 AM → Oct 9, 12:00 AM
WHAT: Flooding caused by excessive rainfall is possible.

WHERE: A portion of west central Florida, including the following
areas, Coastal Citrus, Coastal Hernando, Coastal Hillsborough,
Coastal Manatee, Coastal Pasco, Inland Citrus, Inland Hernando,
Inland Hillsborough, Inland Manatee, Inland Pasco, Pinellas and
Sumter.

WHEN: From 5 AM EDT early this morning through this evening.

IMPACTS: Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.

ADDITIONAL DETAILS:
- A frontal boundary across the central Florida peninsula will lift
slowly north today. Deep tropical moisture remains over the
region. Numerous to widespread showers and scattered
thunderstorms are expected throughout the day with locally heavy
rain likely. Rainfall totals of 1 to 3 inches with locally 5+
inches will be possible.
- https://www.weather.gov/safety/flood
+ Read More
You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
Updated: Oct 8, 8:01 AM Source: NWS Alert