Today | Weather | Monday, April 6, 2026

Weather in Charleston, South Carolina

01:40 AM
Now
Cloudy Weather
70° F
Feels Like 68°
Precipitation 49 %
Wind 9 mph
Humidity 83 %
Today
Cloudy Weather
Day 68°
Night 55°
Precipitation 7 %
Wind 12 mph
UV Index (0 - 11+) 8

Warning: High UV Index Today: 8

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.

Charleston Weather Forecast Updated

20 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (April 6, 2025)
Cloudy Weather

Day

77°

Night

68°

Wind

14 mph

UV Index

8

Precipitation

6 %

Air Quality in Charleston

NOW
33 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.02 µg/m³
PM10 7.34 µg/m³
O3 0.036 ppm
NO2 0.8 ppb
SO2 0.2 ppb
CO 0.10 ppm
NH3 0.04 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)
PM2.53.02 µg/m³
PM107.34 µg/m³
O369.94 µg/m³
NO21.43 µg/m³
SO20.47 µg/m³
CO111.68 µg/m³
NH30.04 µg/m³
NO0 µg/m³