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Charleston, South Carolina weather · now

91°

Partly Cloudy

Feels
108°
High / Low
94° / 79°
Wind
37 mph S
Humidity
67%
No precipitation expected in the next 1.8 hours.

Precipitation · next 12 hrs

Peak 22% · 3 PM

3 PM
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·
6 PM
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·
9 PM
·
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12 AM
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2 AM
GoodAir quality PollenTreeNoneGrassModerateWeedModerate
Sun 6:40 AM 8:09 PM 13h 29m
Moon Waning Crescent 3% lit

Current weather and 7-day forecast for Charleston, South Carolina, sourced directly from the National Weather Service. Expect slight chance showers and thunderstorms today. Today's high is 94° with a low near 79°. 2 active weather alerts in effect.

What to wear today

Loose, light, and water nearby

94°F — wear breathable fabrics and stay hydrated.

Next 24 hours

75° 90° 100° ↑ 94° ↓ 79° 3 PM 6 PM 9 PM 12 AM 3 AM 6 AM 9 AM 12 PM

  1. 3 PM

    92°

    22%

  2. 5 PM

    91°

    19%

  3. 7 PM

    88°

    15%

  4. 9 PM

    84°

    5%

  5. 11 PM

    83°

    3%

  6. 1 AM

    82°

    4%

  7. 3 AM

    81°

    3%

  8. 5 AM

    80°

    3%

  9. 7 AM

    79°

    3%

  10. 9 AM

    82°

    3%

  11. 11 AM

    89°

    3%

  12. 1 PM

    93°

    4%

Live radar

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7 days

  1. Today 8/11 Slight Chance Showers And Thunderstorms 22% 94° · 79°
    1. 3 PM 92° Slight Chance Showers And Thunderstorms 22%
    2. 4 PM 93° Slight Chance Showers And Thunderstorms 22%
    3. 5 PM 91° Slight Chance Showers And Thunderstorms 19%
    4. 6 PM 90° Slight Chance Showers And Thunderstorms 17%
    5. 7 PM 88° Slight Chance Showers And Thunderstorms 15%
    6. 8 PM 85° Partly Cloudy 6%
    7. 9 PM 84° Partly Cloudy 5%
    8. 10 PM 84° Partly Cloudy 4%
    9. 11 PM 83° Mostly Clear 3%
  2. Wed 8/12 Sunny 12% 95° · 79°
    1. 12 AM 82° Mostly Clear 3%
    2. 1 AM 82° Mostly Clear 4%
    3. 2 AM 81° Mostly Clear 4%
    4. 3 AM 81° Mostly Clear 3%
    5. 4 AM 80° Mostly Clear 3%
    6. 5 AM 80° Mostly Clear 3%
    7. 6 AM 79° Sunny 3%
    8. 7 AM 79° Sunny 3%
    9. 8 AM 80° Sunny 3%
    10. 9 AM 82° Sunny 3%
    11. 10 AM 86° Sunny 3%
    12. 11 AM 89° Sunny 3%
    13. 12 PM 91° Sunny 3%
    14. 1 PM 93° Sunny 4%
    15. 2 PM 94° Mostly Sunny 6%
    16. 3 PM 94° Mostly Sunny 6%
    17. 4 PM 94° Mostly Sunny 4%
    18. 5 PM 93° Mostly Sunny 5%
    19. 6 PM 92° Partly Cloudy 8%
    20. 7 PM 90° Partly Cloudy 12%
    21. 8 PM 86° Partly Cloudy 5%
    22. 9 PM 86° Mostly Clear 6%
    23. 10 PM 85° Mostly Clear 6%
    24. 11 PM 84° Partly Cloudy 4%
  3. Thu 8/13 Sunny 5% 95° · 81°
    1. 12 AM 83° Partly Cloudy 3%
    2. 1 AM 83° Mostly Clear 2%
    3. 2 AM 82° Mostly Clear
    4. 3 AM 82° Mostly Clear
    5. 4 AM 81° Partly Cloudy
    6. 5 AM 81° Mostly Clear
    7. 6 AM 80° Sunny
    8. 7 AM 79° Sunny
    9. 8 AM 81° Sunny
    10. 9 AM 83° Sunny
    11. 10 AM 87° Sunny
    12. 11 AM 90° Sunny
    13. 12 PM 92° Sunny
    14. 1 PM 94° Sunny
    15. 2 PM 95° Mostly Sunny 5%
    16. 3 PM 95° Mostly Sunny 5%
    17. 4 PM 94° Mostly Sunny 5%
    18. 5 PM 93° Mostly Sunny 5%
    19. 6 PM 91° Partly Cloudy 5%
    20. 7 PM 89° Partly Cloudy 5%
    21. 8 PM 87° Partly Cloudy 3%
    22. 9 PM 86° Partly Cloudy 3%
    23. 10 PM 85° Partly Cloudy 3%
    24. 11 PM 85° Partly Cloudy 3%
  4. Fri 8/14 Mostly Sunny 7% 96° · 81°
    1. 12 AM 84° Partly Cloudy 3%
    2. 1 AM 84° Partly Cloudy 3%
    3. 2 AM 83° Partly Cloudy 2%
    4. 3 AM 83° Mostly Clear 2%
    5. 4 AM 82° Mostly Clear 2%
    6. 5 AM 81° Mostly Clear 2%
    7. 6 AM 81° Sunny 2%
    8. 7 AM 81° Sunny 2%
    9. 8 AM 83° Mostly Sunny 1%
    10. 9 AM 85° Sunny 1%
    11. 10 AM 89° Sunny 1%
    12. 11 AM 92° Sunny 1%
    13. 12 PM 94° Sunny 1%
    14. 1 PM 95° Mostly Sunny 1%
    15. 2 PM 95° Mostly Sunny 5%
    16. 3 PM 95° Mostly Sunny 5%
    17. 4 PM 95° Mostly Sunny 5%
    18. 5 PM 94° Sunny 5%
    19. 6 PM 92° Partly Cloudy 5%
    20. 7 PM 90° Partly Cloudy 5%
    21. 8 PM 89° Partly Cloudy 7%
    22. 9 PM 88° Partly Cloudy 7%
    23. 10 PM 87° Partly Cloudy 7%
    24. 11 PM 86° Partly Cloudy 7%
  5. Sat 8/15 Mostly Sunny then Chance Showers And Thunderstorms 46% 92° · 79°
    1. 12 AM 85° Partly Cloudy 7%
    2. 1 AM 85° Partly Cloudy 7%
    3. 2 AM 84° Mostly Clear 7%
    4. 3 AM 84° Mostly Clear 7%
    5. 4 AM 83° Mostly Clear 7%
    6. 5 AM 83° Mostly Clear 7%
    7. 6 AM 82° Sunny 7%
    8. 7 AM 82° Sunny 7%
    9. 8 AM 82° Mostly Sunny 4%
    10. 9 AM 84° Mostly Sunny 4%
    11. 10 AM 87° Mostly Sunny 4%
    12. 11 AM 89° Mostly Sunny 4%
    13. 12 PM 90° Mostly Sunny 4%
    14. 1 PM 91° Mostly Sunny 4%
    15. 2 PM 91° Chance Showers And Thunderstorms 46%
    16. 3 PM 91° Chance Showers And Thunderstorms 46%
    17. 4 PM 92° Chance Showers And Thunderstorms 46%
    18. 5 PM 91° Chance Showers And Thunderstorms 46%
    19. 6 PM 90° Chance Showers And Thunderstorms 46%
    20. 7 PM 88° Chance Showers And Thunderstorms 46%
    21. 8 PM 86° Chance Showers And Thunderstorms 37%
    22. 9 PM 85° Chance Showers And Thunderstorms 37%
    23. 10 PM 84° Chance Showers And Thunderstorms 37%
    24. 11 PM 83° Chance Showers And Thunderstorms 37%
  6. Sun 8/16 Slight Chance Showers And Thunderstorms 23% 90° · 80°
    1. 12 AM 83° Chance Showers And Thunderstorms 37%
    2. 1 AM 82° Chance Showers And Thunderstorms 37%
    3. 2 AM 82° Partly Cloudy 13%
    4. 3 AM 82° Partly Cloudy 13%
    5. 4 AM 81° Partly Cloudy 13%
    6. 5 AM 81° Partly Cloudy 13%
    7. 6 AM 81° Mostly Sunny 13%
    8. 7 AM 81° Mostly Sunny 13%
    9. 8 AM 82° Slight Chance Showers And Thunderstorms 15%
    10. 9 AM 84° Slight Chance Showers And Thunderstorms 15%
    11. 10 AM 85° Slight Chance Showers And Thunderstorms 15%
    12. 11 AM 87° Slight Chance Showers And Thunderstorms 15%
    13. 12 PM 88° Slight Chance Showers And Thunderstorms 15%
    14. 1 PM 88° Slight Chance Showers And Thunderstorms 15%
    15. 2 PM 88° Slight Chance Showers And Thunderstorms 23%
    16. 3 PM 89° Slight Chance Showers And Thunderstorms 23%
    17. 4 PM 89° Slight Chance Showers And Thunderstorms 23%
    18. 5 PM 89° Slight Chance Showers And Thunderstorms 23%
    19. 6 PM 88° Slight Chance Showers And Thunderstorms 23%
    20. 7 PM 86° Slight Chance Showers And Thunderstorms 23%
    21. 8 PM 85° Partly Cloudy 8%
    22. 9 PM 84° Partly Cloudy 8%
    23. 10 PM 83° Partly Cloudy 8%
    24. 11 PM 83° Partly Cloudy 8%
  7. Mon 8/17 Sunny 15% 93° · 81°
    1. 12 AM 83° Partly Cloudy 8%
    2. 1 AM 82° Partly Cloudy 8%
    3. 2 AM 82° Mostly Clear 2%
    4. 3 AM 82° Mostly Clear 2%
    5. 4 AM 81° Mostly Clear 2%
    6. 5 AM 81° Mostly Clear 2%
    7. 6 AM 81° Sunny 2%
    8. 7 AM 81° Sunny 2%
    9. 8 AM 82° Sunny 3%
    10. 9 AM 84° Sunny 3%
    11. 10 AM 87° Sunny 3%
    12. 11 AM 89° Sunny 3%
    13. 12 PM 90° Sunny 3%
    14. 1 PM 91° Sunny 3%
    15. 2 PM 92° Sunny 8%
    16. 3 PM 92° Sunny 8%
    17. 4 PM 92° Sunny 8%
    18. 5 PM 92° Sunny 8%
    19. 6 PM 91° Mostly Clear 8%
    20. 7 PM 90° Mostly Clear 8%
    21. 8 PM 88° Slight Chance Showers And Thunderstorms 15%
    22. 9 PM 87° Slight Chance Showers And Thunderstorms 15%
    23. 10 PM 85° Slight Chance Showers And Thunderstorms 15%
    24. 11 PM 84° Slight Chance Showers And Thunderstorms 15%
Extended outlook days 8–16
  1. Tue 8/18 Drizzle 26% 88° · 76°
  2. Wed 8/19 Drizzle 23% 94° · 76°
  3. Thu 8/20 Drizzle 18% 90° · 79°
  4. Fri 8/21 Drizzle 15% 90° · 81°
  5. Sat 8/22 Sunny 21% 92° · 81°
  6. Sun 8/23 Partly Cloudy 30% 94° · 80°
  7. Mon 8/24 Severe Thunderstorms 39% 82° · 62°
  8. Tue 8/25 Drizzle 49% 76° · 63°
  9. Wed 8/26 Cloudy 55% 81° · 68°

Days 8+ from the Open-Meteo multi-model ensemble — treat as a guide; accuracy drops past day 7.

Best day this week

Mild temps, low rain chance, clearer skies.

Thursday, 8/13

Sunny, 95° / 81°

  1. Tomorrow95°79°
  2. Thu95°81°
  3. Fri96°81°
  4. Sat92°79°
  5. Sun90°80°
  6. Mon93°81°

Best time to head outside

Picks the upcoming daytime hour with the most favorable conditions for each activity. Factors in temperature, wind, precipitation timing, and pollen.

Climate normals

What weather to expect in Charleston

Charleston in August typically averages 84° highs and 74° lows, with about 28 days of rain. The hottest stretch is July (average high 90°); the coldest is January (average low 39°).

MonthAvg highAvg lowRainy days
Jan54°39°9
Feb61°46°10
Mar69°53°9
Apr76°62°10
May81°68°18
Jun87°75°23
Jul90°78°28
Aug84°74°28
Sep82°70°19
Oct75°61°9
Nov69°54°11
Dec59°45°9

Normals derived from the past two years of observations via Open-Meteo's historical archive.

More for Charleston

Other cities in South Carolina

Detailed forecast (NWS)

This Afternoon
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 94. Heat index values as high as 111. Southwest wind around 10 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 95. Heat index values as high as 109. West wind around 9 mph.
Thursday
Sunny, with a high near 95. Southwest wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 96.

Forecast details

NWS gridpoint
CHS 87,77
Radar station
KCLX
Time zone
America/New_York
Coordinates
32.776, -79.931