Hourly Weather Forecast for North Charleston, South Carolina

Hourly Weather | Today › Monday, April 27, 2026

Active Weather Warnings

Coastal Flood Advisory

North Charleston, South Carolina

7 PM

66°

Feels Like 63°

Humidity: 64%

UV Index: 1

Wind: 9 mph

8 PM

64°

Feels Like 63°

Humidity: 70%

UV Index: 0

Wind: 8 mph

9 PM

63°

Feels Like 61°

Humidity: 75%

UV Index: 0

Wind: 7 mph

10 PM

61°

Feels Like 59°

Humidity: 83%

UV Index: 0

Wind: 6 mph

11 PM

61°

Feels Like 57°

Humidity: 87%

UV Index: 0

Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

7 PM

49 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.98 µg/m³
PM₁₀: 5.13 µg/m³
O₃: 0.053 ppm
NO₂: 0.3 ppb
SO₂: 0.2 ppb
CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 PM

49 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.86 µg/m³
PM₁₀: 5.15 µg/m³
O₃: 0.053 ppm
NO₂: 0.3 ppb
SO₂: 0.2 ppb
CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM

49 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.73 µg/m³
PM₁₀: 5.08 µg/m³
O₃: 0.053 ppm
NO₂: 0.3 ppb
SO₂: 0.1 ppb
CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM

49 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.61 µg/m³
PM₁₀: 5.01 µg/m³
O₃: 0.053 ppm
NO₂: 0.3 ppb
SO₂: 0.1 ppb
CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM

49 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.55 µg/m³
PM₁₀: 5.18 µg/m³
O₃: 0.053 ppm
NO₂: 0.2 ppb
SO₂: 0.1 ppb
CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Current Real-Time Air Quality Report

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.

+ Read More

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, 5:04 PM Source: NWS Alert

Hourly Air Quality Forecast - AQI (US EPA)

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Weather Alerts and Warnings for North Charleston

Coastal Flood Advisory

Explore U.S. Weather Trends