Weather forecast for tomorrow
Charleston, SC

Weather forecast for tomorrow

Wednesday, May 14.

PM Thunderstorms
6:19 am

8:12 pm
EDT
PM Thunderstorms
82°F / 70°F
  • Wind: 11mph SW
  • Humidity: 70%
  • Precip. probability: 38%
  • Precipitation: 0.28"
  • UV index: 8
Tomorrow, rumbling thunderstorms could affect the area later in the afternoon.
The chance of rain is low, and light precipitation is forecasted. The temperature is predicted to vary between a temperate 82.4°F and a pleasant 69.8°F.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is calculated to be a humid 87.8°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
Expect temperatures to reach May's average high of 79.5°F.
Sunrise will be at 6:19 am and sunset at 8:12 pm; tomorrow's daylight will last for 13h and 53min.

Frequently asked questions

What is the weather forecast for Charleston for tomorrow?
Tomorrow, expect thunderstorms and downpours in the afternoon.
Will it rain tomorrow in Charleston?
Light precipitation of 0.28" is anticipated. The likelihood of rainfall is 38%.
What will be the maximum temperature tomorrow?
Tomorrow, the maximum temperature will be 82.4°F, while the minimum temperature will be 69.8°F. The maximum heat index, which indicates how humid air affects the felt temperature, is evaluated at 87.8°F.
The maximum temperature will be in line with the average highest temperature of 79.5°F in May. The lowest temperature will be also in line with the average low of 68.2°F.
When are sunrise and sunset tomorrow in Charleston?
On Wednesday, in Charleston, sunrise will be at 6:19 am and sunset at 8:12 pm (EDT).
How long will the day be tomorrow?
In Charleston, tomorrow, there will be 13h and 53min of daylight.

Hourly weather forecast

12 am
  • 72°F
  • Feels like:
    73°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 5mph SSW
  • Pressure: 29.85"Hg
  • Humidity: 89%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
2 am
  • 70°F
  • Feels like:
    73°F
Partly Cloudy
Partly Cloudy
  • Wind: 4mph SW
  • Pressure: 29.85"Hg
  • Humidity: 94%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
4 am
  • 70°F
  • Feels like:
    72°F
Partly Cloudy
Partly Cloudy
  • Wind: 4mph WSW
  • Pressure: 29.83"Hg
  • Humidity: 96%
  • Precip. probability: 14%
  • Precipitation: 0"
  • Visibility: 9mi
6 am
  • 68°F
  • Feels like:
    72°F
Mostly Clear
Mostly Clear
  • Wind: 4mph W
  • Pressure: 29.85"Hg
  • Humidity: 95%
  • Precip. probability: 8%
  • Precipitation: 0"
  • Visibility: 9mi
Sunrise: 6:19 am
8 am
  • 72°F
  • Feels like:
    73°F
Sunny
Sunny
  • Wind: 3mph W
  • Pressure: 29.88"Hg
  • Humidity: 90%
  • Precip. probability: 8%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 77°F
  • Feels like:
    81°F
Mostly Sunny
Mostly Sunny
  • Wind: 6mph W
  • Pressure: 29.91"Hg
  • Humidity: 70%
  • Precip. probability: 4%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 81°F
  • Feels like:
    84°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 6mph WSW
  • Pressure: 29.88"Hg
  • Humidity: 59%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 81°F
  • Feels like:
    84°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 9mph SSW
  • Pressure: 29.88"Hg
  • Humidity: 59%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 81°F
  • Feels like:
    84°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 11mph SSW
  • Pressure: 29.85"Hg
  • Humidity: 64%
  • Precip. probability: 38%
  • Precipitation: 0.04"
  • Visibility: 7mi
6 pm
  • 79°F
  • Feels like:
    82°F
Few Showers
Few Showers
  • Wind: 11mph SSW
  • Pressure: 29.85"Hg
  • Humidity: 69%
  • Precip. probability: 32%
  • Precipitation: 0.04"
  • Visibility: 10mi
8 pm
  • 75°F
  • Feels like:
    79°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Wind: 7mph SSW
  • Pressure: 29.85"Hg
  • Humidity: 81%
  • Precip. probability: 32%
  • Precipitation: 0.08"
  • Visibility: 9mi
Sunset: 8:12 pm
10 pm
  • 73°F
  • Feels like:
    75°F
Partly Cloudy
Partly Cloudy
  • Wind: 5mph SSW
  • Pressure: 29.88"Hg
  • Humidity: 88%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
Tomorrow, on Wednesday, weather will be unstable, and a combination of primarily cloudy and occasionally dry and sunny, storm-filled and rain-soaked weather is anticipated.
Rain is anticipated at 4 pm, and from 6 pm to 9 pm. With moderate precipitation of 0.16", most rainfall is expected at 9 pm.
The temperature will vary between a minimum of 68°F and a maximum of 80.6°F. The warmest part of the day will be from noon to 4 pm.
The maximum temperature will be similar to May's average highest temperature of 79.5°F. The lowest temperature is also similar to May's typical minimum of 68.2°F.
Updated: May 13, 2025 @ 10:20:26 UTC
Published by: Weather Atlas | About Us
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