Tomorrow Hourly Weather Forecast for Charleston, SC

Hourly Weather | Tomorrow › Thursday, July 16, 2026

Active Weather Warnings

Coastal Flood Advisory

Charleston, South Carolina

12 AM

81°

Feels Like 91°

Humidity: 92%

UV Index: 0

Wind: 5 mph

1 AM

81°

Feels Like 91°

Humidity: 91%

UV Index: 0

Wind: 5 mph

2 AM

79°

Feels Like 90°

Humidity: 92%

UV Index: 0

Wind: 5 mph

3 AM

79°

Feels Like 90°

Humidity: 95%

UV Index: 0

Wind: 5 mph

4 AM

79°

Feels Like 88°

Humidity: 96%

UV Index: 0

Wind: 5 mph

5 AM

79°

Feels Like 88°

Humidity: 96%

UV Index: 0

Wind: 5 mph

6 AM

75°

Feels Like 86°

Humidity: 100%

UV Index: 0

Wind: 5 mph

7 AM

79°

Feels Like 90°

Humidity: 96%

UV Index: 1

Wind: 5 mph

8 AM

79°

Feels Like 91°

Humidity: 94%

UV Index: 2

Wind: 6 mph

9 AM

81°

Feels Like 97°

Humidity: 86%

UV Index: 3

Wind: 5 mph

10 AM

84°

Feels Like 100°

Humidity: 79%

UV Index: 5

Wind: 5 mph

11 AM

88°

Feels Like 106°

Humidity: 72%

UV Index: 8

Wind: 5 mph

12 PM

88°

Feels Like 106°

Humidity: 69%

UV Index: 11

Wind: 7 mph

1 PM

90°

Feels Like 106°

Humidity: 67%

UV Index: 10

Wind: 8 mph

2 PM

91°

Feels Like 108°

Humidity: 64%

UV Index: 11

Wind: 9 mph

3 PM

90°

Feels Like 104°

Humidity: 67%

UV Index: 8

Wind: 9 mph

4 PM

88°

Feels Like 97°

Humidity: 71%

UV Index: 2

Wind: 10 mph

5 PM

88°

Feels Like 99°

Humidity: 70%

UV Index: 3

Wind: 10 mph

6 PM

88°

Feels Like 99°

Humidity: 72%

UV Index: 2

Wind: 9 mph

7 PM

84°

Feels Like 97°

Humidity: 77%

UV Index: 1

Wind: 9 mph

8 PM

84°

Feels Like 93°

Humidity: 81%

UV Index: 0

Wind: 8 mph

9 PM

82°

Feels Like 93°

Humidity: 85%

UV Index: 0

Wind: 7 mph

10 PM

82°

Feels Like 93°

Humidity: 89%

UV Index: 0

Wind: 7 mph

11 PM

81°

Feels Like 93°

Humidity: 90%

UV Index: 0

Wind: 6 mph

Weather Alerts and Warnings for Charleston

Minor Expected Likely

Coastal Flood Advisory

Coastal Flood Advisory issued July 15 at 2:09PM EDT until July 16 at 12:00AM EDT by NWS Charleston SC

Jul 15, 8:00 PM → Jul 16, 12:00 AM

WHAT: Up to one half foot of inundation above ground level
expected along shorelines and tidal waterways (7.2 to 7.4 feet
Mean Lower Low Water at Charleston).

WHERE: Coastal Colleton and Charleston Counties.

WHEN: From 8 PM this evening to midnight EDT tonight.

IMPACTS: This could result in some roads becoming impassable.

ADDITIONAL DETAILS: High tide will occur around 9:53 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: Jul 15, 6:11 PM Source: NWS Alert

Weather Alerts and Warnings for Charleston

Coastal Flood Advisory

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