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Current weather in Charleston is overcast clouds.

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Weather data for Charleston is updated regularly with the latest available observations and forecasts.

Now · 1:30 PM

Charleston Weather & Hourly Forecast

United States · South Carolina · 29492

81°F

Overcast

Feels like: 83°F

💧 Humidity 69% 🌡 Pressure 30.03 inHg 💨 Wind 9 mph 👁 Visibility 9.6 mi ☁ Clouds 96% ☀️ UV index 4.8 · Moderate 🌅 Sunrise 7:07 AM 🌇 Sunset 7:16 PM

Hourly Forecast for Charleston

Today

2:00 PM

Overcast

81° 💧 0.017 in 💨 9 mph H 69%30.03 inHg

5:00 PM

Light rain

82° 💧 0.049 in 💨 8 mph H 66%30.00 inHg

8:00 PM

Partly cloudy night

75° 💧 0.005 in 💨 8 mph H 84%30.03 inHg

11:00 PM

Mostly clear night

72° 💧 None 💨 10 mph H 82%30.06 inHg

Tomorrow

2:00 AM

Partly cloudy night

71° 💧 None 💨 11 mph H 84%30.03 inHg

5:00 AM

Clear night

69° 💧 None 💨 10 mph H 84%30.03 inHg

8:00 AM

Partly cloudy

68° 💧 0.003 in 💨 9 mph H 82%30.06 inHg

11:00 AM

Light rain

73° 💧 0.125 in 💨 11 mph H 75%30.06 inHg

2:00 PM

Light rain

74° 💧 0.066 in 💨 13 mph H 79%30.03 inHg

5:00 PM

Light rain

73° 💧 0.008 in 💨 11 mph H 73%30.00 inHg

8:00 PM

Mostly clear night

70° 💧 None 💨 11 mph H 77%30.03 inHg

11:00 PM

Clear night

67° 💧 None 💨 11 mph H 79%30.06 inHg

Friday

2:00 AM

Clear night

63° 💧 None 💨 10 mph H 85%30.03 inHg

5:00 AM

Clear night

62° 💧 None 💨 10 mph H 88%30.03 inHg

8:00 AM

Sunny

61° 💧 None 💨 11 mph H 85%30.06 inHg

11:00 AM

Sunny

68° 💧 None 💨 10 mph H 67%30.06 inHg

Today

2:00 PM

Overcast

81° 💧 0.001 in 💨 9 mph H 69%30.03 inHg

3:00 PM

Light rain

80° 💧 0.010 in 💨 9 mph H 71%30.03 inHg

4:00 PM

Light rain

82° 💧 0.006 in 💨 8 mph H 66%30.03 inHg

5:00 PM

Light rain

82° 💧 0.005 in 💨 8 mph H 66%30.00 inHg

6:00 PM

Light rain

78° 💧 0.021 in 💨 9 mph H 75%30.03 inHg

7:00 PM

Light rain

76° 💧 0.023 in 💨 7 mph H 84%30.03 inHg

8:00 PM

Partly cloudy night

75° 💧 0.004 in 💨 8 mph H 84%30.03 inHg

9:00 PM

Clear night

74° 💧 0.002 in 💨 10 mph H 81%30.06 inHg

10:00 PM

Mostly clear night

73° 💧 None 💨 10 mph H 81%30.09 inHg

11:00 PM

Mostly clear night

72° 💧 None 💨 10 mph H 82%30.06 inHg

Tomorrow

12:00 AM

Partly cloudy night

72° 💧 None 💨 11 mph H 83%30.06 inHg

1:00 AM

Clear night

71° 💧 None 💨 10 mph H 83%30.03 inHg

2:00 AM

Partly cloudy night

71° 💧 None 💨 11 mph H 84%30.03 inHg

3:00 AM

Clear night

70° 💧 None 💨 11 mph H 84%30.03 inHg

4:00 AM

Mostly clear night

69° 💧 None 💨 10 mph H 85%30.03 inHg

5:00 AM

Clear night

69° 💧 None 💨 10 mph H 84%30.03 inHg

6:00 AM

Mostly clear night

68° 💧 None 💨 11 mph H 84%30.03 inHg

7:00 AM

Mostly cloudy night

68° 💧 None 💨 10 mph H 83%30.03 inHg

8:00 AM

Partly cloudy

68° 💧 None 💨 9 mph H 82%30.06 inHg

9:00 AM

Partly cloudy

70° 💧 0.001 in 💨 11 mph H 78%30.06 inHg

10:00 AM

Mostly cloudy

71° 💧 0.002 in 💨 13 mph H 75%30.06 inHg

11:00 AM

Light rain

73° 💧 0.019 in 💨 11 mph H 75%30.06 inHg

12:00 PM

Light rain

73° 💧 0.041 in 💨 12 mph H 76%30.06 inHg

1:00 PM

Light rain

72° 💧 0.064 in 💨 13 mph H 81%30.03 inHg

2:00 PM

Light rain

74° 💧 0.049 in 💨 13 mph H 79%30.03 inHg

3:00 PM

Light rain

74° 💧 0.012 in 💨 12 mph H 76%30.00 inHg

4:00 PM

Light rain

73° 💧 0.005 in 💨 11 mph H 75%30.00 inHg

5:00 PM

Light rain

73° 💧 0.008 in 💨 11 mph H 73%30.00 inHg

6:00 PM

Overcast

73° 💧 0.001 in 💨 11 mph H 74%30.00 inHg

7:00 PM

Mostly sunny

71° 💧 None 💨 12 mph H 74%30.03 inHg

8:00 PM

Mostly clear night

70° 💧 None 💨 11 mph H 77%30.03 inHg

9:00 PM

Mostly clear night

69° 💧 None 💨 11 mph H 78%30.06 inHg

10:00 PM

Clear night

68° 💧 None 💨 12 mph H 78%30.06 inHg

11:00 PM

Clear night

67° 💧 None 💨 11 mph H 79%30.06 inHg

Friday

12:00 AM

Clear night

66° 💧 None 💨 11 mph H 80%30.06 inHg

1:00 AM

Clear night

65° 💧 None 💨 10 mph H 82%30.06 inHg

2:00 AM

Clear night

63° 💧 None 💨 10 mph H 85%30.03 inHg

3:00 AM

Clear night

63° 💧 None 💨 10 mph H 88%30.03 inHg

4:00 AM

Clear night

62° 💧 None 💨 10 mph H 88%30.03 inHg

5:00 AM

Clear night

62° 💧 None 💨 10 mph H 88%30.03 inHg

6:00 AM

Clear night

61° 💧 None 💨 10 mph H 88%30.03 inHg

7:00 AM

Clear night

60° 💧 None 💨 10 mph H 88%30.06 inHg

8:00 AM

Sunny

61° 💧 None 💨 11 mph H 85%30.06 inHg

9:00 AM

Sunny

63° 💧 None 💨 12 mph H 78%30.09 inHg

10:00 AM

Sunny

65° 💧 None 💨 11 mph H 73%30.06 inHg

11:00 AM

Sunny

68° 💧 None 💨 10 mph H 67%30.06 inHg

12:00 PM

Sunny

71° 💧 None 💨 10 mph H 62%30.06 inHg

1:00 PM

Sunny

72° 💧 None 💨 10 mph H 58%30.03 inHg

2:00 PM

Sunny

73° 💧 None 💨 10 mph H 55%30.03 inHg

3:00 PM

Sunny

74° 💧 None 💨 10 mph H 53%30.00 inHg

4:00 PM

Sunny

74° 💧 None 💨 10 mph H 52%30.00 inHg

5:00 PM

Sunny

74° 💧 None 💨 10 mph H 51%30.00 inHg

6:00 PM

Sunny

72° 💧 None 💨 9 mph H 53%30.00 inHg

7:00 PM

Sunny

70° 💧 None 💨 7 mph H 60%30.00 inHg

8:00 PM

Clear night

68° 💧 None 💨 7 mph H 65%30.00 inHg

Saturday

5:00 AM

Clear night

59° 💧 None 💨 7 mph H 80%30.00 inHg

8:00 AM

Sunny

59° 💧 None 💨 7 mph H 85%30.06 inHg

11:00 AM

Sunny

69° 💧 None 💨 9 mph H 55%30.06 inHg

2:00 PM

Mostly sunny

75° 💧 None 💨 8 mph H 49%30.00 inHg

5:00 PM

Overcast

76° 💧 None 💨 8 mph H 44%29.94 inHg

8:00 PM

Partly cloudy night

69° 💧 None 💨 4 mph H 57%29.97 inHg

11:00 PM

Clear night

64° 💧 None 💨 4 mph H 75%30.00 inHg

Sunday

2:00 AM

Mostly clear night

61° 💧 None 💨 3 mph H 83%29.97 inHg

5:00 AM

Mostly clear night

59° 💧 None 💨 4 mph H 91%29.94 inHg

8:00 AM

Mostly sunny

60° 💧 None 💨 5 mph H 88%29.97 inHg

11:00 AM

Partly cloudy

76° 💧 None 💨 4 mph H 38%29.97 inHg

2:00 PM

Mostly sunny

82° 💧 None 💨 5 mph H 31%29.91 inHg

5:00 PM

Sunny

81° 💧 None 💨 5 mph H 33%29.85 inHg

8:00 PM

Clear night

72° 💧 None 💨 7 mph H 59%29.88 inHg

11:00 PM

Clear night

70° 💧 None 💨 5 mph H 69%29.91 inHg

Monday

2:00 AM

Partly cloudy night

67° 💧 None 💨 4 mph H 82%29.88 inHg

5:00 AM

Clear night

63° 💧 None 💨 5 mph H 87%29.88 inHg

8:00 AM

Mostly sunny

63° 💧 None 💨 6 mph H 82%29.94 inHg

11:00 AM

Partly cloudy

78° 💧 None 💨 2 mph H 47%29.94 inHg

2:00 PM

Mostly sunny

83° 💧 None 💨 6 mph H 45%29.91 inHg

5:00 PM

Overcast

81° 💧 None 💨 9 mph H 49%29.88 inHg

8:00 PM

Partly cloudy night

75° 💧 None 💨 7 mph H 80%29.91 inHg

11:00 PM

Clear night

75° 💧 None 💨 8 mph H 80%29.94 inHg

Tuesday

2:00 AM

Clear night

72° 💧 None 💨 4 mph H 91%29.94 inHg

8:00 AM

Sunny

69° 💧 None 💨 4 mph H 73%30.00 inHg

2:00 PM

Sunny

67° 💧 None 💨 1 mph H 86%30.03 inHg

8:00 PM

Clear night

83° 💧 None 💨 7 mph H 41%30.03 inHg

Wednesday

2:00 AM

Clear night

75° 💧 None 💨 7 mph H 65%30.00 inHg

8:00 AM

Sunny

72° 💧 None 💨 5 mph H 75%30.00 inHg

2:00 PM

Sunny

73° 💧 None 💨 3 mph H 77%30.03 inHg

8:00 PM

Partly cloudy night

84° 💧 None 💨 9 mph H 56%30.00 inHg

Thursday

2:00 AM

Mostly clear night

79° 💧 None 💨 8 mph H 75%29.94 inHg

8:00 AM

Overcast

78° 💧 None 💨 10 mph H 80%29.94 inHg

2:00 PM

Overcast

79° 💧 None 💨 9 mph H 79%29.91 inHg

8:00 PM

Moderate rain

81° 💧 None 💨 13 mph H 79%29.91 inHg

Friday

2:00 AM

Light thunderstorms

73° 💧 None 💨 7 mph H 97%29.88 inHg

8:00 AM

Mostly cloudy

73° 💧 None 💨 9 mph H 98%29.85 inHg

2:00 PM

Overcast

72° 💧 None 💨 7 mph H 99%29.88 inHg

8:00 PM

Light rain

83° 💧 None 💨 6 mph H 64%29.85 inHg

Saturday

2:00 AM

Partly cloudy night

76° 💧 None 💨 6 mph H 89%29.85 inHg

8:00 AM

Overcast

71° 💧 None 💨 5 mph H 85%29.91 inHg

2:00 PM

Overcast

67° 💧 None 💨 10 mph H 68%30.00 inHg

8:00 PM

Overcast night

78° 💧 None 💨 8 mph H 50%30.03 inHg

Sunday

2:00 AM

Partly cloudy night

72° 💧 None 💨 7 mph H 72%30.03 inHg

8:00 AM

Overcast

67° 💧 None 💨 9 mph H 70%30.09 inHg

2:00 PM

Overcast

64° 💧 None 💨 10 mph H 73%30.15 inHg

8:00 PM

Overcast night

77° 💧 None 💨 10 mph H 56%30.12 inHg

Monday

2:00 AM

Overcast night

71° 💧 None 💨 8 mph H 67%30.12 inHg

8:00 AM

Partly cloudy

68° 💧 None 💨 7 mph H 80%30.12 inHg

2:00 PM

Overcast

64° 💧 None 💨 9 mph H 70%30.15 inHg

8:00 PM

Overcast night

76° 💧 None 💨 7 mph H 44%30.12 inHg

Tuesday

2:00 AM

Overcast night

69° 💧 None 💨 6 mph H 64%30.09 inHg

8:00 AM

Overcast

65° 💧 None 💨 7 mph H 71%30.09 inHg

2:00 PM

Overcast

64° 💧 None 💨 8 mph H 83%30.09 inHg

8:00 PM

Clear night

79° 💧 None 💨 6 mph H 54%30.06 inHg

Wednesday

2:00 AM

Clear night

71° 💧 None 💨 3 mph H 87%30.03 inHg

8:00 AM

Partly cloudy

63° 💧 None 💨 2 mph H 99%29.97 inHg

2:00 PM

Partly cloudy

60° 💧 None 💨 4 mph H 91%29.97 inHg

8:00 PM

Clear night

84° 💧 None 💨 4 mph H 36%29.88 inHg

Thursday

2:00 AM

Clear night

73° 💧 None 💨 8 mph H 73%29.83 inHg

In Charleston and, more broadly, across the state of South Carolina: This morning, clear skies and warm temperatures will set the tone, with lows around 72 degrees and light southeast winds at up to 4 mph. As the day progresses, temperatures will rise into the upper 80s and low 90s, creating hot conditions. The wind will remain gentle, with occasional gusts reaching 12 mph. An isolated shower is unlikely but cannot be entirely ruled out, with a maximum probability of 25%. Overall, expect a hot and dry day, with plenty of sunshine and light breezes.

15-Day Weather Outlook for Charleston

TomorrowTomorrow

Partly cloudy 74°/67° 💧 None 💨 13 mph

Friday, Sep 25Fri Sep 25

Sunny 74°/60° 💧 None 💨 12 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 76°/59° 💧 0.055 in 💨 9 mph

Sunday, Sep 27Sun Sep 27

Mostly sunny 82°/59° 💧 None 💨 7 mph

Monday, Sep 28Mon Sep 28

Partly cloudy 83°/63° 💧 None 💨 9 mph

Tuesday, Sep 29Tue Sep 29

Sunny 83°/67° 💧 0.424 in 💨 7 mph

Wednesday, Sep 30Wed Sep 30

Partly cloudy 84°/72° 💧 None 💨 9 mph

Thursday, Oct 1Thu Oct 1

Moderate rain 81°/78° 💧 0.138 in 💨 13 mph

Friday, Oct 2Fri Oct 2

Light thunderstorms 83°/72° 💧 0.920 in 💨 9 mph

Saturday, Oct 3Sat Oct 3

Partly cloudy 78°/67° 💧 0.008 in 💨 10 mph

Sunday, Oct 4Sun Oct 4

Partly cloudy 77°/64° 💧 None 💨 10 mph

Monday, Oct 5Mon Oct 5

Overcast 76°/64° 💧 None 💨 9 mph

Tuesday, Oct 6Tue Oct 6

Overcast 79°/64° 💧 None 💨 8 mph

Wednesday, Oct 7Wed Oct 7

Partly cloudy 84°/60° 💧 None 💨 4 mph

Thursday, Oct 8Thu Oct 8

Sunny 73°/73° 💧 None 💨 8 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Charleston

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Charleston

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 2:00 PM

PM2.5 Fine particles Good 2,3µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 5,2µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 71,8µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 1,2µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Charleston

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 5,5Moderate 🙂Fair

Tomorrow UV 4,3Moderate 🙂Fair

Friday UV 7,3High 😐Moderate

Saturday UV 7,3High 😐Moderate

Sunday UV 7,0High 😐Moderate

Monday UV 7,0High —Unavailable

Tuesday UV 7,0High —Unavailable

Hourly UV index today

2:00 PMUV 5,5 3:00 PMUV 4,0 4:00 PMUV 2,7 5:00 PMUV 0,8 6:00 PMUV 0,3 7:00 PMUV 0,0

Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Charleston

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · CHARLESTON, SOUTH CAROLINA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

91/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 8:37 PM–5:47 AM

☁ Cloud cover 12% Real hourly forecast for the best viewing hour.

☾ Moonlight 94% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 71° high at the best hour.

✦ Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min72%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

ACTIVE NOW

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for Charleston were last refreshed today at 1:30 PM. The current forecast period extends through 25/09/2026 at 11:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.