Weather forecast for tomorrow
Charleston, SC

Weather forecast for tomorrow

Sunday, Jun 15.

PM Thunderstorms
6:09 am

8:30 pm
EDT
PM Thunderstorms
88°F / 77°F
  • Wind: 12mph SW
  • Humidity: 76%
  • Precip. probability: 45%
  • Precipitation: 0.16"
  • UV index: 10
Tomorrow, rumbling thunderstorms could affect the area later in the afternoon.
With a low probability, light precipitation is forecasted. Temperature span will be from a high of a humid 87.8°F to a low of a warm 77°F.
The maximum heat index, which measures the combined effect of heat and moisture, is assessed at a blistering 104°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. Bear in mind that direct sunshine exposure increases weather impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
The temperature will be in line with June's average maximum of 85.8°F.
Sunrise will be at 6:09 am and sunset at 8:30 pm; tomorrow's daylight will last for 14h and 21min.

Frequently asked questions

What is the weather forecast for Charleston for tomorrow?
Tomorrow, stormy weather with frequent thunder and rain bursts is expected.
Will it rain tomorrow?
Light precipitation of 0.16" is anticipated. The chance of rainfall is 45%.
What will be the maximum temperature tomorrow?
Tomorrow, the highest temperature will be 87.8°F, while the lowest temperature will be 77°F. The maximum heat index, which reflects the perceived temperature due to humidity levels, is calculated to be 104°F.
The maximum temperature will be in line with the average highest temperature of 85.8°F in June. The lowest temperature tomorrow will be also in line with the average low temperature.
When is the sunrise / sunset tomorrow?
On Sunday, in Charleston, sunrise will be at 6:09 am and sunset at 8:30 pm (EDT).
How long will the day be tomorrow?
In Charleston, tomorrow, there will be 14h and 21min of daylight.

Hourly weather forecast

12 am
  • 79°F
  • Feels like:
    84°F
Cloudy
Cloudy
  • Wind: 8mph SW
  • Pressure: 30.09"Hg
  • Humidity: 90%
  • Precip. probability: 7%
  • Precipitation: 0"
  • Visibility: 6mi
2 am
  • 77°F
  • Feels like:
    82°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 6mph SW
  • Pressure: 30.06"Hg
  • Humidity: 93%
  • Precip. probability: 9%
  • Precipitation: 0"
  • Visibility: 10mi
4 am
  • 77°F
  • Feels like:
    82°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph SW
  • Pressure: 30.06"Hg
  • Humidity: 94%
  • Precip. probability: 9%
  • Precipitation: 0"
  • Visibility: 10mi
6 am
  • 75°F
  • Feels like:
    81°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 4mph WSW
  • Pressure: 30.06"Hg
  • Humidity: 95%
  • Precip. probability: 14%
  • Precipitation: 0"
  • Visibility: 9mi
Sunrise: 6:09 am
8 am
  • 79°F
  • Feels like:
    84°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 6mph WSW
  • Pressure: 30.06"Hg
  • Humidity: 88%
  • Precip. probability: 16%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 84°F
  • Feels like:
    91°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 7mph SW
  • Pressure: 30.09"Hg
  • Humidity: 76%
  • Precip. probability: 20%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 86°F
  • Feels like:
    95°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph SW
  • Pressure: 30.06"Hg
  • Humidity: 69%
  • Precip. probability: 9%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 86°F
  • Feels like:
    95°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 11mph SSW
  • Pressure: 30.06"Hg
  • Humidity: 70%
  • Precip. probability: 46%
  • Precipitation: 0.12"
  • Visibility: 7mi
4 pm
  • 86°F
  • Feels like:
    95°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 12mph SSW
  • Pressure: 30.03"Hg
  • Humidity: 71%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 84°F
  • Feels like:
    93°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 11mph SSW
  • Pressure: 30"Hg
  • Humidity: 76%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 82°F
  • Feels like:
    90°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph SSW
  • Pressure: 30"Hg
  • Humidity: 82%
  • Precip. probability: 11%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 8:30 pm
10 pm
  • 81°F
  • Feels like:
    88°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph SSW
  • Pressure: 30.03"Hg
  • Humidity: 86%
  • Precip. probability: 7%
  • Precipitation: 0"
  • Visibility: 10mi
Tomorrow, primarily cloudy and occasionally turbulent weather is expected.
Rainfall is expected from 1 pm to 3 pm. With light precipitation of 0.12", most rainfall is expected at 2 pm.
The temperature will be between the lowest temperature of 75.2°F and the highest temperature of 87.8°F. The feels-like temperature will be between the lowest temperature of 80.6°F and the highest temperature of 96.8°F. The hottest part of the day is anticipated around 1 pm.
Tomorrow, expect conditions comparable to June's usual high temperature. The night temperature will be also consistent with the standard June low of 74.7°F.
Updated: Jun 14, 2025 @ 21:07:19 UTC
Published by: Weather U.S. | About Us
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