Today | Weather | Monday, September 15, 2025

Weather in Charleston, South Carolina

05:34 AM
Now
Cloudy Weather
64° F
Feels Like 63°
Precipitation 0 %
Wind 7 mph
Humidity 76 %
Today
Partly Sunny with Showers
Day 82°
Night 63°
Precipitation 84 %
Wind 13
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.

Charleston Weather Forecast Updated

14 minutes ago
Last updated on

Weather Forecast History

Last Year's Weather on This Day (September 15, 2024)

Rainy Weather

Day

79°

Night

70°

Wind

15 mph

UV Index

2

Precipitation

96

Air quality in Charleston

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

Pollutant Concentrations:

PM2.5 8.56 µg/m³
PM10 12.23 µg/m³
O₃ 43.06 ppb
NO₂ 2.94 ppb
SO₂ 1.29 ppb
CO 184.86 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