Today | Weather | Monday, April 27, 2026

Active Weather Warnings

Coastal Flood Advisory

Weather in North Charleston, South Carolina

04:38 PM

Now

64° F

Feels Like 66°

Precipitation 0 %

Wind 10 mph

UV Index (0 - 11+) 3

Humidity 63 %

Today

Day 68°

Night 54°

Precipitation 1 %

Wind 9 mph

UV Index (0 - 11+) 7

North Charleston Weather Forecast Updated

Last updated on April 27, 2026 at 3:19 PM

Weather Forecast History

Last Year's Weather on This Day (April 27, 2025)

Day

81°

Night

59°

Wind

9 mph

UV Index

Precipitation

3 %

Air Quality in North Charleston

NOW

48 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 2.22 µg/m³

PM₁₀ 5.09 µg/m³

O₃ 0.052 ppm

NO₂ 0.2 ppb

SO₂ 0.3 ppb

CO 0.12 ppm

NH₃ 0.29 µg/m³

NO 0.05 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 – 2.22 µg/m³

PM₁₀ – 5.09 µg/m³

O₃ – 102.69 µg/m³

NO₂ – 0.4 µg/m³

SO₂ – 0.67 µg/m³

CO – 136.74 µg/m³

NH₃ – 0.29 µg/m³

NO – 0.05 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for North Charleston

Minor Expected Likely

Coastal Flood Advisory

Coastal Flood Advisory issued April 27 at 2:13PM EDT until April 27 at 8:00PM EDT by NWS Charleston SC

Apr 27, 5:00 PM → Apr 27, 8:00 PM

WHAT: Up to one half foot of inundation above ground level
expected along shorelines and tidal waterways (6.9 to 7.1 feet
Mean Lower Low Water at Charleston).

WHERE: Coastal Colleton and Charleston Counties.

WHEN: Until 8 PM EDT this evening.

IMPACTS: This could result in some roads becoming impassable.

ADDITIONAL DETAILS: High tide will occur around 6:11 PM today
at Charleston. Saltwater inundation will be possible 1 to 2
hours before and after high tide.

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If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Visit water.weather.gov for additional water level and flood impact information.

Updated: Apr 27, 3:19 PM Source: NWS Alert