Today | Weather | Sunday, September 7, 2025

Weather in Charleston, South Carolina

10:29 AM
Now
Cloudy Weather
81° F
Feels Like 93°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 11
Humidity 80 %
Today
Stormy Weather
Day 88°
Night 66°
Precipitation 55 %
Wind 10
UV Index (0 - 11+) 11

Warning: Extreme UV Index Today: 11+

Overexposure to the sun's harmful UV rays can cause sunburn and increase the risk of developing skin cancer, including melanoma. Protect yourself by wearing clothing that covers your skin, sunglasses, and a hat. Apply a broad-spectrum sunscreen with an SPF of 30 or higher every two hours, even on cloudy days. Minimize direct sun exposure during peak hours (10 AM to 4 PM) to reduce the risk.

Other:

Mostly overcast and muggy; widely separated storms this later in the day.

Charleston Weather Forecast Updated

27 minutes ago
Last updated on

Weather Forecast History

Last Year's Weather on This Day (September 7, 2024)

Rainy Weather

Day

79°

Night

70°

Wind

7 mph

UV Index

3

Precipitation

87

Air quality in Charleston

NOW
39 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 8.52 µg/m³
PM10 14.79 µg/m³
O₃ 13.67 ppb
NO₂ 7.55 ppb
SO₂ 0.39 ppb
CO 169.60 ppb
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors