temperatures.com

Charleston, SC Hourly Forecast

South Carolina, United States 🇺🇸
79°
Overcast Feels like 80°
Updated 2 min ago

Charleston temperature trend - Next 24 hours

78° 8 PM 8 PM - 78°F (26°C), Overcast, 16% precip 9 PM - 78°F (25°C), Overcast, 17% precip 10 PM - 77°F (25°C), Cloudy, 15% precip 77° 11 PM 11 PM - 77°F (25°C), Overcast, 17% precip 12 AM - 76°F (25°C), Overcast, 15% precip 1 AM - 76°F (24°C), Overcast, 17% precip 75° 2 AM 2 AM - 75°F (24°C), Overcast, 16% precip 3 AM - 75°F (24°C), Cloudy, 14% precip 4 AM - 74°F (24°C), Clear, 6% precip 74° 5 AM 5 AM - 74°F (23°C), Overcast, 16% precip 6 AM - 73°F (23°C), Partly Cloudy, 11% precip 7 AM - 72°F (22°C), Partly Cloudy, 12% precip 73° 8 AM 8 AM - 73°F (23°C), Partly Cloudy, 8% precip 9 AM - 76°F (25°C), Sunny, 6% precip 10 AM - 80°F (27°C), Sunny 82° 11 AM 11 AM - 82°F (28°C), Sunny 12 PM - 84°F (29°C), Sunny 1 PM - 86°F (30°C), Cloudy, 8% precip 85° 2 PM 2 PM - 85°F (30°C), Overcast, 9% precip 3 PM - 84°F (29°C), Partly Cloudy, 6% precip 4 PM - 84°F (29°C), Overcast, 11% precip 82° 5 PM 5 PM - 82°F (28°C), Overcast, 10% precip 6 PM - 81°F (27°C), Overcast, 12% precip 7 PM - 78°F (26°C), Sunny

The next 24 hours at a glance

  • Warmest hour: 1 PM - around 86°
  • Coolest hour: 7 AM - around 72°
  • Rain risk: low all day (peaks at 17%)
  • UV peak: 1 PM at index 8 - sun protection recommended
  • Windiest: 3 PM at 14 mph

Charleston hourly weather - Tuesday, September 15

In Charleston, expect a high near 78°F (26°C) around 8 PM and a low of 77°F (25°C) near 11 PM; precipitation risk peaks at 17% around 9 PM.

TimeConditionsTemp FeelsRainWind HumidityUV
8 PM Overcast 78° 79° 16% 10 mph E 67% 0
9 PM Overcast 78° 78° 17% 10 mph E 68% 0
10 PM Cloudy 77° 78° 15% 9 mph E 69% 0
11 PM Overcast 77° 77° 17% 9 mph ENE 69% 0

Charleston hourly weather - Wednesday, September 16

In Charleston, expect a high near 86°F (30°C) around 1 PM and a low of 72°F (22°C) near 7 AM; precipitation risk peaks at 17% around 1 AM.

TimeConditionsTemp FeelsRainWind HumidityUV
12 AM Overcast 76° 77° 15% 9 mph ENE 68% 0
1 AM Overcast 76° 76° 17% 8 mph ENE 68% 0
2 AM Overcast 75° 76° 16% 8 mph ENE 68% 0
3 AM Cloudy 75° 75° 14% 8 mph ENE 68% 0
4 AM Clear 74° 75° 6% 8 mph ENE 68% 0
5 AM Overcast 74° 74° 16% 7 mph NE 68% 0
6 AM Partly Cloudy 73° 73° 11% 7 mph NE 69% 0
7 AM Partly Cloudy 72° 72° 12% 7 mph NE 70% 0
8 AM Partly Cloudy 73° 73° 8% 7 mph NNE 71% 0
9 AM Sunny 76° 76° 6% 8 mph NNE 66% 1
10 AM Sunny 80° 81° 4% 9 mph NE 59% 3
11 AM Sunny 82° 84° 2% 9 mph ENE 51% 5
12 PM Sunny 84° 85° 2% 10 mph ENE 46% 7
1 PM Cloudy 86° 86° 8% 11 mph E 44% 8
2 PM Overcast 85° 86° 9% 13 mph E 45% 8
3 PM Partly Cloudy 84° 85° 6% 14 mph E 47% 6
4 PM Overcast 84° 84° 11% 13 mph E 48% 4
5 PM Overcast 82° 83° 10% 13 mph E 50% 2
6 PM Overcast 81° 82° 12% 11 mph E 54% 1
7 PM Sunny 78° 77° 3% 10 mph E 58% 0
8 PM Partly Cloudy 76° 76° 8% 8 mph E 61% 0
9 PM Clear 76° 76° 4% 8 mph E 61% 0
10 PM Partly Cloudy 76° 76° 6% 8 mph E 62% 0
11 PM Clear 76° 76° 4% 7 mph E 63% 0

Charleston hourly weather - Thursday, September 17

In Charleston, expect a high near 85°F (30°C) around 2 PM and a low of 72°F (22°C) near 7 AM; precipitation risk peaks at 16% around 10 PM.

TimeConditionsTemp FeelsRainWind HumidityUV
12 AM Clear 75° 75° 4% 7 mph E 63% 0
1 AM Clear 75° 76° 4% 6 mph ENE 65% 0
2 AM Clear 74° 75° 5% 6 mph ENE 66% 0
3 AM Clear 74° 74° 5% 6 mph NE 68% 0
4 AM Clear 73° 74° 5% 6 mph NE 69% 0
5 AM Clear 73° 74° 6% 6 mph NE 70% 0
6 AM Clear 72° 73° 6% 5 mph NE 71% 0
7 AM Clear 72° 72° 7% 6 mph NNE 73% 0
8 AM Sunny 72° 74° 6% 6 mph NNE 72% 0
9 AM Sunny 76° 76° 4% 8 mph NNE 64% 1
10 AM Sunny 80° 81° 3% 8 mph NE 58% 3
11 AM Sunny 82° 83° 2% 8 mph ENE 52% 5
12 PM Sunny 84° 85° 2% 9 mph E 48% 7
1 PM Sunny 85° 85° 1% 10 mph E 46% 8
2 PM Partly Cloudy 85° 86° 5% 11 mph E 47% 8
3 PM Cloudy 84° 86° 9% 11 mph ESE 50% 6
4 PM Overcast 83° 85° 12% 10 mph ESE 52% 4
5 PM Cloudy 82° 84° 7% 9 mph E 55% 2
6 PM Partly Cloudy 80° 82° 6% 8 mph E 58% 1
7 PM Partly Cloudy 77° 79° 7% 7 mph ESE 65% 0
8 PM Partly Cloudy 75° 77° 10% 6 mph ESE 69% 0
9 PM Clear 75° 77° 6% 5 mph ESE 70% 0
10 PM Cloudy 75° 77° 16% 5 mph ESE 71% 0
11 PM Cloudy 75° 78° 14% 5 mph ESE 70% 0

Quick answers for the hours ahead

What is the warmest hour in Charleston today?
1 PM is forecast to be the warmest, at about 86°F (30°C) with cloudy.
Will it rain in Charleston tonight?
A small chance: precipitation risk peaks at 17% around 9 PM.
When is the UV index highest in Charleston today?
Around 1 PM, when it reaches 8. From UV 3 upward, sun protection is recommended.

Charleston hour-by-hour: what to expect

Over the next 24 hours in Charleston, temperatures range from 72°F (22°C) around 7 AM up to 86°F (30°C) near 1 PM - about 3°F (2°C) above the typical September high of 83°F (28°C).

A stray shower can't be ruled out - Rain chances top out at 17% around 9 PM. UV reaches 8 (1 PM) - sun protection recommended through midday.

The “feels like” column blends humidity and wind into an apparent temperature - see how it works in our feels-like temperature guide. Planning further ahead? Check the Charleston 14-day forecast or the monthly climate averages.

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