Weather forecast for tomorrow
Charleston International Airport, SC

Weather forecast for tomorrow

Wednesday, Jun 18.

PM Showers
6:10 am

8:32 pm
EDT
PM Showers
91°F / 77°F
  • Wind: 12mph SW
  • Humidity: 65%
  • Precip. probability: 45%
  • Precipitation: 0.08"
  • UV index: 11
On Wednesday, in Charleston International Airport, a few passing showers are also expected later today.
Minimal precipitation is predicted for tomorrow. Temperatures are anticipated to range from a maximum of a hot 91.4°F to a minimum of a moderately hot 77°F.
The maximum heat index, which indicates how humid air affects the felt temperature, is estimated at a torridly hot 105.8°F. Note that heat index values are valued for light wind and location in the shade. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
Forecast models suggest hotter conditions, with a peak that mirrors July's climate average rather than June's.
Sunrise will be at 6:10 am and sunset at 8:32 pm; tomorrow's daylight will last for 14h and 22min.

Frequently asked questions

What is the weather forecast for Charleston International Airport for tomorrow?
On Wednesday, scattered afternoon showers may bring wet conditions in some areas.
Will it rain tomorrow?
Tomorrow, there is a low chance of minimal precipitation in Charleston International Airport.
What will be the highest temperature tomorrow?
Tomorrow, the highest temperature will be 91.4°F, while the lowest temperature will be 77°F. The maximum heat index, which combines air temperature and relative humidity, is computed to be 105.8°F.
The maximum temperature will be a few degrees higher than the average highest temperature of 82.4°F in June. The lowest temperature will be notably higher than the average low of 59°F.
What time are sunrise and sunset tomorrow?
On Wednesday, in Charleston International Airport, sunrise will be at 6:10 am and sunset at 8:32 pm (EDT).
How many hours of daylight will Charleston International Airport have tomorrow?
In Charleston International Airport, the length of the day tomorrow will be 14h and 22min.

Hourly weather forecast

12 am
  • 81°F
  • Feels like:
    86°F
Mostly Clear
Mostly Clear
  • Wind: 9mph SSW
  • Pressure: 30.06"Hg
  • Humidity: 85%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
2 am
  • 79°F
  • Feels like:
    86°F
Clear
Clear
  • Wind: 8mph SSW
  • Pressure: 30.06"Hg
  • Humidity: 85%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
4 am
  • 79°F
  • Feels like:
    84°F
Mostly Clear
Mostly Clear
  • Wind: 7mph SW
  • Pressure: 30.03"Hg
  • Humidity: 87%
  • Precip. probability: 4%
  • Precipitation: 0"
  • Visibility: 10mi
6 am
  • 77°F
  • Feels like:
    84°F
Clear
Clear
  • Wind: 6mph SW
  • Pressure: 30.06"Hg
  • Humidity: 89%
  • Precip. probability: 7%
  • Precipitation: 0"
  • Visibility: 10mi
Sunrise: 6:10 am
8 am
  • 81°F
  • Feels like:
    88°F
Mostly Sunny
Mostly Sunny
  • Wind: 8mph SW
  • Pressure: 30.09"Hg
  • Humidity: 83%
  • Precip. probability: 7%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 86°F
  • Feels like:
    95°F
Sunny
Sunny
  • Wind: 9mph WSW
  • Pressure: 30.09"Hg
  • Humidity: 65%
  • Precip. probability: 9%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 90°F
  • Feels like:
    99°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph WSW
  • Pressure: 30.09"Hg
  • Humidity: 58%
  • Precip. probability: 6%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 90°F
  • Feels like:
    97°F
Showers
Showers
  • Wind: 9mph SW
  • Pressure: 30.06"Hg
  • Humidity: 59%
  • Precip. probability: 45%
  • Precipitation: 0.04"
  • Visibility: 7mi
4 pm
  • 90°F
  • Feels like:
    99°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph S
  • Pressure: 30.06"Hg
  • Humidity: 58%
  • Precip. probability: 20%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 88°F
  • Feels like:
    97°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph S
  • Pressure: 30.03"Hg
  • Humidity: 64%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 82°F
  • Feels like:
    90°F
Mostly Sunny
Mostly Sunny
  • Wind: 11mph S
  • Pressure: 30.06"Hg
  • Humidity: 75%
  • Precip. probability: 6%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 8:32 pm
10 pm
  • 81°F
  • Feels like:
    88°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph SSW
  • Pressure: 30.09"Hg
  • Humidity: 82%
  • Precip. probability: 5%
  • Precipitation: 0"
  • Visibility: 10mi
Tomorrow, on Wednesday, weather will be unstable, and a mix of cloud-filled, sun-filled, rain-soaked and unstable weather is predicted.
With minimal precipitation of 0.04", rainfall is predicted from 1 pm to 3 pm.
The temperature will vary between the lowest temperature of 77°F and the highest temperature of 91.4°F. The feels-like temperature will be between the lowest temperature of 84.2°F and the highest temperature of 100.4°F. The hottest part of the day is anticipated around 1 pm.
The expected temperature aligns more with July's average high than with June's 82.4°F. The minimum temperature will be also more consistent with July's average low of 64.4°F than June's typical 59°F.
Updated: Jun 18, 2025 @ 01:10:58 UTC
Published by: Weather U.S. | About Us
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