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Current weather in Charleston is few clouds.

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

Now · 2:04 AM

Charleston Weather & Hourly Forecast

United States · South Carolina · 29492

80°F

Mostly clear night

Feels like: 90°F

💧 Humidity 95% 🌡 Pressure 29.83 inHg 💨 Wind 4 mph 👁 Visibility 13.5 mi ☁ Clouds 26% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Charleston

Today

3:00 AM

Clear night

79° 💧 None 💨 3 mph H 96%29.83 inHg

6:00 AM

Clear night

78° 💧 None 💨 4 mph H 99%29.83 inHg

9:00 AM

Sunny

82° 💧 None 💨 4 mph H 84%29.85 inHg

12:00 PM

Sunny

90° 💧 0.084 in 💨 4 mph H 62%29.83 inHg

3:00 PM

Light thunderstorms

82° 💧 0.051 in 💨 6 mph H 83%29.85 inHg

6:00 PM

Mostly cloudy

86° 💧 0.049 in 💨 1 mph H 74%29.80 inHg

9:00 PM

Light thunderstorms

77° 💧 0.088 in 💨 4 mph H 96%29.85 inHg

Tomorrow

12:00 AM

Mostly clear night

76° 💧 0.001 in 💨 4 mph H 98%29.91 inHg

3:00 AM

Partly cloudy night

76° 💧 None 💨 6 mph H 98%29.91 inHg

6:00 AM

Mostly clear night

75° 💧 None 💨 5 mph H 99%29.91 inHg

9:00 AM

Light thunderstorms

74° 💧 0.103 in 💨 6 mph H 97%30.00 inHg

12:00 PM

Light rain

81° 💧 0.099 in 💨 9 mph H 79%30.00 inHg

3:00 PM

Light thunderstorms

80° 💧 0.205 in 💨 8 mph H 86%30.00 inHg

6:00 PM

Light rain

77° 💧 0.119 in 💨 8 mph H 91%30.00 inHg

9:00 PM

Light rain

75° 💧 0.049 in 💨 9 mph H 96%30.03 inHg

Tuesday

12:00 AM

Light rain

74° 💧 0.030 in 💨 6 mph H 97%30.06 inHg

Today

3:00 AM

Clear night

79° 💧 None 💨 3 mph H 96%29.83 inHg

4:00 AM

Clear night

79° 💧 None 💨 3 mph H 98%29.80 inHg

5:00 AM

Clear night

78° 💧 None 💨 4 mph H 98%29.80 inHg

6:00 AM

Clear night

78° 💧 None 💨 4 mph H 99%29.83 inHg

7:00 AM

Sunny

78° 💧 None 💨 5 mph H 99%29.83 inHg

8:00 AM

Sunny

79° 💧 None 💨 4 mph H 94%29.83 inHg

9:00 AM

Sunny

82° 💧 None 💨 4 mph H 84%29.85 inHg

10:00 AM

Sunny

85° 💧 None 💨 5 mph H 73%29.85 inHg

11:00 AM

Sunny

87° 💧 None 💨 5 mph H 68%29.85 inHg

12:00 PM

Sunny

90° 💧 None 💨 4 mph H 62%29.83 inHg

1:00 PM

Light thunderstorms

92° 💧 0.003 in 💨 3 mph H 58%29.83 inHg

2:00 PM

Light thunderstorms

84° 💧 0.081 in 💨 8 mph H 78%29.85 inHg

3:00 PM

Light thunderstorms

82° 💧 0.036 in 💨 6 mph H 83%29.85 inHg

4:00 PM

Light rain

84° 💧 0.014 in 💨 1 mph H 77%29.80 inHg

5:00 PM

Mostly cloudy

86° 💧 0.001 in 💨 1 mph H 73%29.80 inHg

6:00 PM

Mostly cloudy

86° 💧 None 💨 1 mph H 74%29.80 inHg

7:00 PM

Mostly cloudy

85° 💧 None 💨 2 mph H 77%29.83 inHg

8:00 PM

Light thunderstorms

79° 💧 0.049 in 💨 8 mph H 89%29.85 inHg

9:00 PM

Light thunderstorms

77° 💧 0.087 in 💨 4 mph H 96%29.85 inHg

10:00 PM

Clear night

77° 💧 0.001 in 💨 4 mph H 97%29.88 inHg

11:00 PM

Partly cloudy night

76° 💧 None 💨 3 mph H 97%29.91 inHg

Tomorrow

12:00 AM

Mostly clear night

76° 💧 None 💨 4 mph H 98%29.91 inHg

1:00 AM

Partly cloudy night

76° 💧 0.001 in 💨 6 mph H 97%29.88 inHg

2:00 AM

Partly cloudy night

76° 💧 None 💨 7 mph H 97%29.91 inHg

3:00 AM

Partly cloudy night

76° 💧 None 💨 6 mph H 98%29.91 inHg

4:00 AM

Partly cloudy night

76° 💧 None 💨 7 mph H 98%29.91 inHg

5:00 AM

Partly cloudy night

75° 💧 None 💨 6 mph H 98%29.91 inHg

6:00 AM

Mostly clear night

75° 💧 None 💨 5 mph H 99%29.91 inHg

7:00 AM

Mostly cloudy

74° 💧 None 💨 8 mph H 100%29.94 inHg

8:00 AM

Overcast

74° 💧 None 💨 8 mph H 97%29.97 inHg

9:00 AM

Light thunderstorms

74° 💧 0.059 in 💨 6 mph H 97%30.00 inHg

10:00 AM

Light rain

76° 💧 0.034 in 💨 9 mph H 91%30.00 inHg

11:00 AM

Light rain

81° 💧 0.011 in 💨 8 mph H 80%30.00 inHg

12:00 PM

Light rain

81° 💧 0.017 in 💨 9 mph H 79%30.00 inHg

1:00 PM

Light thunderstorms

84° 💧 0.009 in 💨 8 mph H 74%30.00 inHg

2:00 PM

Light thunderstorms

79° 💧 0.074 in 💨 10 mph H 86%30.00 inHg

3:00 PM

Light thunderstorms

80° 💧 0.036 in 💨 8 mph H 86%30.00 inHg

4:00 PM

Light rain

80° 💧 0.024 in 💨 9 mph H 84%30.00 inHg

5:00 PM

Thunderstorms

78° 💧 0.145 in 💨 7 mph H 92%30.00 inHg

6:00 PM

Light rain

77° 💧 0.026 in 💨 8 mph H 91%30.00 inHg

7:00 PM

Light rain

77° 💧 0.012 in 💨 9 mph H 90%30.00 inHg

8:00 PM

Light thunderstorms

74° 💧 0.081 in 💨 8 mph H 96%30.03 inHg

9:00 PM

Light rain

75° 💧 0.041 in 💨 9 mph H 96%30.03 inHg

10:00 PM

Light rain

74° 💧 0.005 in 💨 8 mph H 97%30.06 inHg

11:00 PM

Overcast night

74° 💧 0.002 in 💨 8 mph H 97%30.06 inHg

Tuesday

12:00 AM

Light rain

74° 💧 0.005 in 💨 6 mph H 97%30.06 inHg

1:00 AM

Light rain

74° 💧 0.013 in 💨 6 mph H 97%30.06 inHg

2:00 AM

Light rain

75° 💧 0.012 in 💨 7 mph H 97%30.06 inHg

3:00 AM

Light rain

75° 💧 0.008 in 💨 7 mph H 97%30.03 inHg

4:00 AM

Light rain

74° 💧 0.005 in 💨 7 mph H 98%30.06 inHg

5:00 AM

Mostly cloudy night

74° 💧 0.002 in 💨 7 mph H 98%30.06 inHg

6:00 AM

Light rain

73° 💧 0.005 in 💨 9 mph H 99%30.06 inHg

7:00 AM

Mostly sunny

73° 💧 0.003 in 💨 8 mph H 98%30.09 inHg

8:00 AM

Mostly sunny

74° 💧 0.001 in 💨 8 mph H 95%30.09 inHg

5:00 PM

Light rain

82° 💧 None 💨 12 mph H 74%30.12 inHg

8:00 PM

Light rain

78° 💧 None 💨 9 mph H 84%30.15 inHg

11:00 PM

Light rain

78° 💧 None 💨 9 mph H 85%30.18 inHg

Wednesday

2:00 AM

Mostly clear night

77° 💧 None 💨 9 mph H 91%30.15 inHg

5:00 AM

Light rain

77° 💧 None 💨 7 mph H 91%30.15 inHg

8:00 AM

Light rain

78° 💧 None 💨 4 mph H 93%30.18 inHg

11:00 AM

Light rain

82° 💧 None 💨 5 mph H 79%30.21 inHg

2:00 PM

Mostly sunny

84° 💧 None 💨 6 mph H 74%30.18 inHg

5:00 PM

Light rain

83° 💧 None 💨 8 mph H 77%30.12 inHg

8:00 PM

Mostly clear night

79° 💧 None 💨 4 mph H 87%30.12 inHg

11:00 PM

Clear night

78° 💧 None 💨 3 mph H 90%30.12 inHg

Thursday

2:00 AM

Mostly clear night

78° 💧 None 💨 3 mph H 90%30.09 inHg

5:00 AM

Mostly clear night

77° 💧 None 💨 2 mph H 94%30.06 inHg

8:00 AM

Mostly sunny

77° 💧 None 💨 3 mph H 96%30.09 inHg

11:00 AM

Partly cloudy

84° 💧 None 💨 3 mph H 78%30.06 inHg

2:00 PM

Light rain

81° 💧 None 💨 5 mph H 88%30.00 inHg

5:00 PM

Moderate rain

82° 💧 None 💨 8 mph H 80%29.94 inHg

8:00 PM

Mostly cloudy night

80° 💧 None 💨 5 mph H 86%29.94 inHg

11:00 PM

Mostly cloudy night

78° 💧 None 💨 6 mph H 91%29.94 inHg

Friday

2:00 AM

Moderate rain

76° 💧 None 💨 6 mph H 96%29.94 inHg

5:00 AM

Mostly clear night

76° 💧 None 💨 6 mph H 98%29.91 inHg

8:00 AM

Partly cloudy

75° 💧 None 💨 5 mph H 97%29.91 inHg

11:00 AM

Partly cloudy

84° 💧 None 💨 6 mph H 74%29.91 inHg

2:00 PM

Light rain

87° 💧 None 💨 7 mph H 68%29.88 inHg

8:00 PM

Mostly clear night

88° 💧 None 💨 6 mph H 63%29.88 inHg

Saturday

2:00 AM

Mostly cloudy night

80° 💧 None 💨 5 mph H 86%29.88 inHg

8:00 AM

Mostly sunny

74° 💧 None 💨 3 mph H 99%29.88 inHg

2:00 PM

Partly cloudy

75° 💧 None 💨 4 mph H 98%29.91 inHg

8:00 PM

Light rain

85° 💧 None 💨 6 mph H 71%29.94 inHg

Sunday

2:00 AM

Mostly clear night

80° 💧 None 💨 4 mph H 84%29.97 inHg

8:00 AM

Mostly sunny

78° 💧 None 💨 4 mph H 89%30.00 inHg

2:00 PM

Sunny

78° 💧 None 💨 4 mph H 94%30.06 inHg

8:00 PM

Moderate rain

80° 💧 None 💨 5 mph H 91%30.06 inHg

Monday

2:00 AM

Partly cloudy night

80° 💧 None 💨 5 mph H 88%30.03 inHg

8:00 AM

Mostly sunny

78° 💧 None 💨 3 mph H 92%30.03 inHg

2:00 PM

Mostly sunny

75° 💧 None 💨 4 mph H 98%30.03 inHg

8:00 PM

Light thunderstorms

84° 💧 None 💨 6 mph H 80%29.97 inHg

Tuesday

2:00 AM

Mostly cloudy night

79° 💧 None 💨 3 mph H 95%29.91 inHg

8:00 AM

Mostly cloudy

76° 💧 None 💨 5 mph H 99%29.91 inHg

2:00 PM

Overcast

76° 💧 None 💨 7 mph H 94%29.97 inHg

8:00 PM

Overcast night

79° 💧 None 💨 8 mph H 75%30.00 inHg

Wednesday

2:00 AM

Mostly cloudy night

79° 💧 None 💨 4 mph H 80%30.00 inHg

8:00 AM

Partly cloudy

72° 💧 None 💨 9 mph H 69%30.03 inHg

2:00 PM

Overcast

68° 💧 None 💨 9 mph H 77%30.12 inHg

8:00 PM

Mostly cloudy night

79° 💧 None 💨 7 mph H 56%30.12 inHg

Thursday

2:00 AM

Overcast night

75° 💧 None 💨 9 mph H 67%30.12 inHg

8:00 AM

Partly cloudy

70° 💧 None 💨 7 mph H 83%30.09 inHg

2:00 PM

Mostly cloudy

66° 💧 None 💨 9 mph H 86%30.12 inHg

8:00 PM

Clear night

80° 💧 None 💨 9 mph H 44%30.09 inHg

Friday

2:00 AM

Clear night

72° 💧 None 💨 4 mph H 68%30.06 inHg

8:00 AM

Sunny

67° 💧 None 💨 6 mph H 74%30.06 inHg

2:00 PM

Sunny

65° 💧 None 💨 9 mph H 80%30.09 inHg

8:00 PM

Clear night

80° 💧 None 💨 10 mph H 42%30.06 inHg

Saturday

2:00 AM

Clear night

73° 💧 None 💨 5 mph H 65%30.03 inHg

8:00 AM

Sunny

70° 💧 None 💨 7 mph H 71%30.03 inHg

2:00 PM

Mostly sunny

66° 💧 None 💨 8 mph H 81%30.09 inHg

8:00 PM

Mostly cloudy night

80° 💧 None 💨 6 mph H 41%30.06 inHg

Sunday

2:00 AM

Clear night

72° 💧 None 💨 3 mph H 76%30.00 inHg

8:00 AM

Sunny

67° 💧 None 💨 3 mph H 93%30.00 inHg

2:00 PM

Mostly cloudy

66° 💧 None 💨 6 mph H 88%30.03 inHg

In Charleston and, more broadly, across the state of South Carolina: The evening will feature a mix of sun and clouds with temperatures holding steady around 80 degrees Fahrenheit. Light southerly winds will be gentle, averaging about 6 mph, with occasional gusts up to 10 mph. A slight chance of rain remains, with an expected accumulation of about 0.06 inches. Conditions could become a bit damp during the night, so it’s a good idea to have an umbrella nearby if you’re planning to be outdoors. Temperatures are expected to stay mild through the next few hours, providing comfortable evening weather.

15-Day Weather Outlook for Charleston

TomorrowTomorrow

Light thunderstorms 84°/74° 💧 None 💨 10 mph

Tuesday, Sep 8Tue Sep 8

Light thunderstorms 82°/73° 💧 1.504 in 💨 12 mph

Wednesday, Sep 9Wed Sep 9

Light rain 84°/77° 💧 0.223 in 💨 9 mph

Thursday, Sep 10Thu Sep 10

Moderate rain 84°/77° 💧 0.171 in 💨 8 mph

Friday, Sep 11Fri Sep 11

Moderate rain 87°/75° 💧 0.132 in 💨 7 mph

Saturday, Sep 12Sat Sep 12

Mostly cloudy 88°/74° 💧 0.309 in 💨 6 mph

Sunday, Sep 13Sun Sep 13

Light rain 85°/78° 💧 0.061 in 💨 6 mph

Monday, Sep 14Mon Sep 14

Moderate rain 80°/75° 💧 0.583 in 💨 5 mph

Tuesday, Sep 15Tue Sep 15

Light thunderstorms 84°/76° 💧 0.237 in 💨 7 mph

Wednesday, Sep 16Wed Sep 16

Overcast 79°/68° 💧 0.016 in 💨 9 mph

Thursday, Sep 17Thu Sep 17

Mostly cloudy 79°/66° 💧 0.038 in 💨 9 mph

Friday, Sep 18Fri Sep 18

Sunny 80°/65° 💧 None 💨 9 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 80°/66° 💧 None 💨 10 mph

Sunday, Sep 20Sun Sep 20

Mostly cloudy 80°/66° 💧 None 💨 6 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

Good

Nearest forecast value 3:00 AM

PM2.5 Fine particles Good 6,2µg/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 8,2µg/m³

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

O₃ Ozone Good 43,2µg/m³

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

NO₂ Nitrogen dioxide Good 2,3µg/m³

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

Air quality is favorable for outdoor activities.

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 8,6Very high 😊Good

Tomorrow UV 7,7High 🙂Fair

Tuesday UV 7,8High 🙂Fair

Wednesday UV 8,7Very high 🙂Fair

Thursday UV 8,0Very high 🙂Fair

Friday UV 8,0Very high —Unavailable

Saturday UV 8,0Very high —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,3 9:00 AMUV 1,3 10:00 AMUV 3,1 11:00 AMUV 5,4 12:00 PMUV 7,4 1:00 PMUV 8,6 2:00 PMUV 7,1 3:00 PMUV 4,2 4:00 PMUV 2,4 5:00 PMUV 2,1 6:00 PMUV 0,1

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

Very high UV risk

Use SPF 50+ sunscreen, a hat and sunglasses. Seek shade and limit exposure around midday.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure. High humidity can make it feel hotter.

Best in the morning or late in the day

For walking, running or cycling, prefer the early morning or late afternoon.

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: 3:00 AM–4:00 AM.

92/100Best-hour score

BEST TIME TONIGHT 3:00 AM–4:00 AM Astronomical darkness: 9:04 PM–5:33 AM

☁ Cloud cover 2% Real hourly forecast for the best viewing hour.

☾ Moonlight 31% Last Quarter · Moon about 13° above the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 59° high at the best hour.

✦ Estimated visible meteors 1–3/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min67%

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

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

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

UPCOMING

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

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.

DISCOVER WEATHER NEARBY Weather in other cities

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Forecast data for Charleston were last refreshed today at 2:02 AM. The current forecast period extends through 08/09/2026 at 12:00 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.