Today | Weather | Monday, September 21, 2026

Weather in Fort Myers, Florida

04:48 PM
Now
Sunny with a Chance of Thunderstorms
84° F
Feels Like 90°
Precipitation 61 %
Wind 7 mph
UV Index (0 - 11+) 1
Humidity 76 %
Today
Sunny with a Chance of Thunderstorms
Day 88°
Night 73°
Precipitation 100 %
Wind 6 mph
UV Index (0 - 11+) 6

Fort Myers Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (September 21, 2025)
Cloudy Night

Day

90°

Night

75°

Wind

6 mph

Precipitation

12 %

Air Quality in Fort Myers

NOW
25 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2 µg/m³
PM10 2.62 µg/m³
O3 0.027 ppm
NO2 0.1 ppb
SO2 0.1 ppb
CO 0.09 ppm
NH3 0 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)
PM2.52 µg/m³
PM102.62 µg/m³
O353.54 µg/m³
NO20.22 µg/m³
SO20.17 µg/m³
CO102.13 µg/m³
NH30 µg/m³
NO0.04 µg/m³