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Today | Weather | Sunday, December 14, 2025
Active Weather Warnings

Weather in Charleston, South Carolina

08:08 AM
Now
Cloudy Weather
61° F
Feels Like 57°
Precipitation 19 %
Wind 10 mph
UV Index (0 - 11+) 0
Humidity 75 %
Today
Cloudy Weather
Day 61°
Night 23°
Precipitation 55 %
Wind 14 mph
UV Index (0 - 11+) 3

Charleston Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (December 14, 2024)
Cloudy Night

Day

63°

Night

50°

Wind

12 mph

Precipitation

25 %

Air Quality in Charleston

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

Pollutant Concentrations:

PM2.5 12.01 µg/m³
PM10 15.41 µg/m³
O3 0.040 ppm
NO2 1.3 ppb
SO2 0.5 ppb
CO 0.14 ppm
NH3 0.06 µg/m³
NO 0.01 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)
PM2.5 – 12.01 µg/m³
PM10 – 15.41 µg/m³
O3 – 78.53 µg/m³
NO2 – 2.51 µg/m³
SO2 – 1.26 µg/m³
CO – 164.04 µg/m³
NH3 – 0.06 µg/m³
NO – 0.01 µg/m³
View Hourly Air Quality Forecast

Weather Alerts and Warnings for Charleston

Extreme Future Likely

Extreme Cold Watch

Extreme Cold Watch issued December 13 at 6:37PM EST until December 15 at 10:00AM EST by NWS Charleston SC
Dec 14, 10:00 PM → Dec 15, 10:00 AM
WHAT: Dangerously cold wind chills near 10 degrees possible.

WHERE: In Georgia, Jenkins and Screven Counties. In South
Carolina, Allendale, Charleston, Dorchester, Hampton, Inland
Colleton, and Tidal Berkeley Counties.

WHEN: From Sunday evening through Monday morning.

IMPACTS: Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures.
+ Read More
Dress in layers including a hat, face mask, and gloves if you must go outside. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.
Updated: Dec 14, 12:06 AM Source: NWS Alert
Moderate Expected Likely

Cold Weather Advisory

Cold Weather Advisory issued December 14 at 12:50AM EST until December 15 at 10:00AM EST by NWS Charleston SC
Dec 14, 10:00 PM → Dec 15, 10:00 AM
WHAT: Very cold wind chills as low as 11 to 15 above expected.

WHERE: In Georgia, Jenkins and Screven Counties. In South
Carolina, Allendale, Charleston, Dorchester, Hampton, Inland
Colleton, and Tidal Berkeley Counties.

WHEN: From 10 PM this evening to 10 AM EST Monday.

IMPACTS: Very cold temperatures could lead to hypothermia during
prolonged exposure.
+ Read More
Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.
Updated: Dec 14, 6:56 AM Source: NWS Alert