Today | Weather | Monday, January 26, 2026

Active Weather Warnings

Cold Weather Advisory

Weather in Charleston, South Carolina

10:54 AM

Now

48° F

Feels Like 43°

Precipitation 34 %

Wind 18 mph

UV Index (0 - 11+) 3

Humidity 68 %

Today

Day 52°

Night 27°

Precipitation 55 %

Wind 15 mph

UV Index (0 - 11+) 4

Charleston Weather Forecast Updated

Last updated on January 26, 2026 at 9:51 AM

Weather Forecast History

Last Year's Weather on This Day (January 26, 2025)

Day

57°

Night

37°

Wind

6 mph

UV Index

Precipitation

0 %

Air Quality in Charleston

NOW

24 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 1.36 µg/m³

PM₁₀ 2.45 µg/m³

O₃ 0.025 ppm

NO₂ 2.1 ppb

SO₂ 0.4 ppb

CO 0.16 ppm

NH₃ 0.2 µg/m³

NO 1.14 µg/m³

PM_2.5 – 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)

PM_2.5 – 1.36 µg/m³

PM₁₀ – 2.45 µg/m³

O₃ – 49.87 µg/m³

NO₂ – 3.86 µg/m³

SO₂ – 0.95 µg/m³

CO – 184.6 µg/m³

NH₃ – 0.2 µg/m³

NO – 1.14 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Charleston

Moderate Expected Likely

Cold Weather Advisory

Cold Weather Advisory issued January 26 at 6:28AM EST until January 27 at 9:00AM EST by NWS Charleston SC

Jan 26, 10:00 PM → Jan 27, 9:00 AM

WHAT: Very cold wind chills in the low to mid teens expected.

WHERE: Portions of southeast Georgia and southeast South Carolina.

WHEN: From 10 PM this evening to 9 AM EST Tuesday.

IMPACTS: Very cold temperatures can lead to hypothermia with
prolonged exposure.

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Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.

Updated: Jan 26, 9:51 AM Source: NWS Alert