Hourly Weather | Today › Saturday, October 24, 2026
Active Weather Warnings
Charleston, South Carolina
9 AM
Cloudy Weather
57°
Feels Like 54°
2
Humidity: 92%
UV Index: 1
Wind: 15 mph
10 AM
Cloudy Weather
61°
Feels Like 57°
2
Humidity: 84%
UV Index: 2
Wind: 15 mph
11 AM
Cloudy Weather
64°
Feels Like 63°
2
Humidity: 78%
UV Index: 3
Wind: 15 mph
12 PM
Cloudy Weather
66°
Feels Like 66°
2
Humidity: 72%
UV Index: 4
Wind: 15 mph
1 PM
Cloudy Weather
70°
Feels Like 70°
2
Humidity: 68%
UV Index: 4
Wind: 16 mph
2 PM
Cloudy Weather
72°
Feels Like 72°
1
Humidity: 65%
UV Index: 4
Wind: 15 mph
3 PM
Cloudy Weather
73°
Feels Like 72°
1
Humidity: 61%
UV Index: 3
Wind: 16 mph
4 PM
Cloudy Weather
72°
Feels Like 70°
1
Humidity: 64%
UV Index: 2
Wind: 16 mph
5 PM
Cloudy Weather
72°
Feels Like 68°
1
Humidity: 66%
UV Index: 1
Wind: 16 mph
6 PM
Cloudy Weather
70°
Feels Like 66°
1
Humidity: 68%
UV Index: 0
Wind: 15 mph
7 PM
Cloudy Night
66°
Feels Like 64°
1
Humidity: 74%
UV Index: 0
Wind: 15 mph
8 PM
Night
66°
Feels Like 63°
0
Humidity: 76%
UV Index: 0
Wind: 14 mph
9 PM
Night
64°
Feels Like 61°
0
Humidity: 78%
UV Index: 0
Wind: 14 mph
10 PM
Night
63°
Feels Like 59°
0
Humidity: 80%
UV Index: 0
Wind: 14 mph
11 PM
Night
63°
Feels Like 59°
0
Humidity: 80%
UV Index: 0
Wind: 14 mph

Hourly Air Quality Forecast - AQI (US EPA)

9 AM
40 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.29 µg/m³
  • PM10: 15.44 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

10 AM
39 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.98 µg/m³
  • PM10: 15.55 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

11 AM
40 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.79 µg/m³
  • PM10: 15.7 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

12 PM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.77 µg/m³
  • PM10: 16.26 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

1 PM
42 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.01 µg/m³
  • PM10: 17.8 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

2 PM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.25 µg/m³
  • PM10: 19.39 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

3 PM
45 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.33 µg/m³
  • PM10: 20.08 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

4 PM
46 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.13 µg/m³
  • PM10: 19.4 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

5 PM
46 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.96 µg/m³
  • PM10: 18.78 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

6 PM
46 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.75 µg/m³
  • PM10: 17.94 µg/m³
  • O3: 0.050 ppm
  • NO2: 0.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

7 PM
46 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.55 µg/m³
  • PM10: 17.5 µg/m³
  • O3: 0.050 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

8 PM
46 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.28 µg/m³
  • PM10: 16.98 µg/m³
  • O3: 0.050 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

9 PM
46 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.04 µg/m³
  • PM10: 16.62 µg/m³
  • O3: 0.050 ppm
  • NO2: 0.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

10 PM
46 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.81 µg/m³
  • PM10: 16.46 µg/m³
  • O3: 0.050 ppm
  • NO2: 0.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

11 PM
46 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.69 µg/m³
  • PM10: 16.6 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

Weather Alerts and Warnings for Charleston

Moderate Expected Likely

Rip Current Statement

Rip Current Statement issued October 24 at 2:21AM EDT until October 24 at 8:00PM EDT by NWS Charleston SC
Oct 24, 8:00 AM → Oct 24, 8:00 PM
WHAT: For the Coastal Flood Advisory, up to one foot of
inundation above ground level expected along shorelines and
tidal waterways (7.6 to 9.6 feet Mean Lower Low Water at
Charleston). For the High Rip Current Risk, dangerous rip
currents expected. For the High Surf Advisory, large breaking
waves of 1 to 5 feet expected in the surf zone.

WHERE: In Georgia, Coastal Bryan, Coastal Chatham, Coastal
Liberty and Coastal McIntosh Counties. In South Carolina,
Beaufort, Coastal Colleton, Charleston and Coastal Jasper
Counties.

WHEN: For the Coastal Flood Advisory, until 9 AM EDT this
morning. For the High Rip Current Risk, from 8 AM EDT this
morning through this evening. For the High Surf Advisory, from
2 PM this afternoon to 5 PM EDT Monday.

IMPACTS: Significant saltwater inundation will render
numerous roads impassable. Properties may also flood.
Saltwater inundation will impact some roads. Dangerous
swimming and surfing conditions and localized beach erosion.
Rip currents can sweep even the best swimmers away from shore
into deeper water.

ADDITIONAL DETAILS: High tide will occur around 6:59 AM today
at Fort Pulaski. 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. Inexperienced swimmers should remain out of the water due to dangerous surf conditions. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.
Updated: Oct 24, 7:15 AM Source: NWS Alert
Minor Expected Likely

Coastal Flood Advisory

Coastal Flood Advisory issued October 24 at 2:21AM EDT until October 24 at 9:00AM EDT by NWS Charleston SC
Oct 24, 5:00 AM → Oct 24, 9:00 AM
WHAT: For the Coastal Flood Advisory, up to one foot of
inundation above ground level expected along shorelines and
tidal waterways (7.6 to 9.6 feet Mean Lower Low Water at
Charleston). For the High Rip Current Risk, dangerous rip
currents expected. For the High Surf Advisory, large breaking
waves of 1 to 5 feet expected in the surf zone.

WHERE: In Georgia, Coastal Bryan, Coastal Chatham, Coastal
Liberty and Coastal McIntosh Counties. In South Carolina,
Beaufort, Coastal Colleton, Charleston and Coastal Jasper
Counties.

WHEN: For the Coastal Flood Advisory, until 9 AM EDT this
morning. For the High Rip Current Risk, from 8 AM EDT this
morning through this evening. For the High Surf Advisory, from
2 PM this afternoon to 5 PM EDT Monday.

IMPACTS: Significant saltwater inundation will render
numerous roads impassable. Properties may also flood.
Saltwater inundation will impact some roads. Dangerous
swimming and surfing conditions and localized beach erosion.
Rip currents can sweep even the best swimmers away from shore
into deeper water.

ADDITIONAL DETAILS: High tide will occur around 6:59 AM today
at Fort Pulaski. 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. Inexperienced swimmers should remain out of the water due to dangerous surf conditions. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.
Updated: Oct 24, 7:15 AM Source: NWS Alert
Minor Expected Likely

High Surf Advisory

High Surf Advisory issued October 24 at 2:21AM EDT until October 26 at 5:00PM EDT by NWS Charleston SC
Oct 24, 2:00 PM → Oct 26, 5:00 PM
WHAT: For the Coastal Flood Advisory, up to one foot of
inundation above ground level expected along shorelines and
tidal waterways (7.6 to 9.6 feet Mean Lower Low Water at
Charleston). For the High Rip Current Risk, dangerous rip
currents expected. For the High Surf Advisory, large breaking
waves of 1 to 5 feet expected in the surf zone.

WHERE: In Georgia, Coastal Bryan, Coastal Chatham, Coastal
Liberty and Coastal McIntosh Counties. In South Carolina,
Beaufort, Coastal Colleton, Charleston and Coastal Jasper
Counties.

WHEN: For the Coastal Flood Advisory, until 9 AM EDT this
morning. For the High Rip Current Risk, from 8 AM EDT this
morning through this evening. For the High Surf Advisory, from
2 PM this afternoon to 5 PM EDT Monday.

IMPACTS: Significant saltwater inundation will render
numerous roads impassable. Properties may also flood.
Saltwater inundation will impact some roads. Dangerous
swimming and surfing conditions and localized beach erosion.
Rip currents can sweep even the best swimmers away from shore
into deeper water.

ADDITIONAL DETAILS: High tide will occur around 6:59 AM today
at Fort Pulaski. 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. Inexperienced swimmers should remain out of the water due to dangerous surf conditions. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.
Updated: Oct 24, 7:15 AM Source: NWS Alert