Today | Weather | Wednesday, March 18, 2026

Weather in Cape Coral, Florida

06:49 AM
Now
Cloudy Night
52° F
Feels Like 45°
Precipitation 0 %
Wind 10 mph
Humidity 70 %
Today
Cloudy Weather
Day 70°
Night 54°
Precipitation 10 %
Wind 12 mph
UV Index (0 - 11+) 4

Cape Coral Weather Forecast Updated

26 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (March 18, 2025)
Sunny Weather

Day

81°

Night

54°

Wind

11 mph

UV Index

8

Precipitation

0 %

Air Quality in Cape Coral

NOW
59 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.2 µg/m³
PM10 6.35 µg/m³
O3 0.057 ppm
NO2 0.6 ppb
SO2 0.4 ppb
CO 0.13 ppm
NH3 0.86 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 acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.53.2 µg/m³
PM106.35 µg/m³
O3111.81 µg/m³
NO21.14 µg/m³
SO21.06 µg/m³
CO152.19 µg/m³
NH30.86 µg/m³
NO0 µg/m³