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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 · 11:59 PM

Charleston Weather & Hourly Forecast

United States · Tennessee · 37310

78°F

Mostly clear night

Feels like: 78°F

💧 Humidity 56% 🌡 Pressure 30.12 inHg 💨 Wind 7 mph 👁 Visibility 21.4 mi ☁ Clouds 15% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Charleston

Tomorrow

12:00 AM

Partly cloudy night

77° 💧 None 💨 7 mph H 56%30.12 inHg

3:00 AM

Clear night

73° 💧 None 💨 5 mph H 68%30.09 inHg

6:00 AM

Clear night

71° 💧 None 💨 5 mph H 75%30.09 inHg

9:00 AM

Sunny

76° 💧 None 💨 4 mph H 73%30.12 inHg

12:00 PM

Sunny

86° 💧 0.002 in 💨 6 mph H 52%30.06 inHg

3:00 PM

Sunny

90° 💧 0.003 in 💨 5 mph H 41%30.00 inHg

6:00 PM

Sunny

90° 💧 None 💨 3 mph H 41%29.91 inHg

9:00 PM

Clear night

82° 💧 None 💨 1 mph H 59%29.91 inHg

Friday

12:00 AM

Clear night

78° 💧 None 💨 5 mph H 60%29.97 inHg

3:00 AM

Clear night

76° 💧 None 💨 8 mph H 74%29.94 inHg

6:00 AM

Clear night

73° 💧 None 💨 4 mph H 86%29.97 inHg

9:00 AM

Sunny

77° 💧 None 💨 4 mph H 78%29.97 inHg

12:00 PM

Sunny

87° 💧 0.001 in 💨 4 mph H 56%29.97 inHg

3:00 PM

Mostly sunny

93° 💧 0.003 in 💨 4 mph H 43%29.88 inHg

6:00 PM

Mostly sunny

91° 💧 0.067 in 💨 4 mph H 44%29.83 inHg

9:00 PM

Light thunderstorms

75° 💧 0.112 in 💨 2 mph H 92%29.94 inHg

Tomorrow

12:00 AM

Partly cloudy night

77° 💧 None 💨 7 mph H 56%30.12 inHg

1:00 AM

Mostly clear night

76° 💧 None 💨 6 mph H 60%30.12 inHg

2:00 AM

Mostly clear night

74° 💧 None 💨 5 mph H 65%30.09 inHg

3:00 AM

Clear night

73° 💧 None 💨 5 mph H 68%30.09 inHg

4:00 AM

Clear night

73° 💧 None 💨 6 mph H 70%30.09 inHg

5:00 AM

Clear night

72° 💧 None 💨 6 mph H 72%30.06 inHg

6:00 AM

Clear night

71° 💧 None 💨 5 mph H 75%30.09 inHg

7:00 AM

Clear night

71° 💧 None 💨 5 mph H 79%30.09 inHg

8:00 AM

Sunny

72° 💧 None 💨 6 mph H 80%30.09 inHg

9:00 AM

Sunny

76° 💧 None 💨 4 mph H 73%30.12 inHg

10:00 AM

Sunny

79° 💧 None 💨 4 mph H 67%30.12 inHg

11:00 AM

Sunny

83° 💧 None 💨 5 mph H 61%30.09 inHg

12:00 PM

Sunny

86° 💧 None 💨 6 mph H 52%30.06 inHg

1:00 PM

Mostly sunny

89° 💧 0.000 in 💨 5 mph H 44%30.06 inHg

2:00 PM

Mostly sunny

90° 💧 0.002 in 💨 5 mph H 42%30.03 inHg

3:00 PM

Sunny

90° 💧 0.003 in 💨 5 mph H 41%30.00 inHg

4:00 PM

Sunny

91° 💧 0.000 in 💨 4 mph H 40%29.97 inHg

5:00 PM

Sunny

91° 💧 None 💨 4 mph H 40%29.94 inHg

6:00 PM

Sunny

90° 💧 None 💨 3 mph H 41%29.91 inHg

7:00 PM

Sunny

88° 💧 None 💨 3 mph H 45%29.88 inHg

8:00 PM

Clear night

83° 💧 None 💨 3 mph H 54%29.88 inHg

9:00 PM

Clear night

82° 💧 None 💨 1 mph H 59%29.91 inHg

10:00 PM

Clear night

80° 💧 None 💨 2 mph H 58%29.94 inHg

11:00 PM

Clear night

78° 💧 None 💨 4 mph H 62%29.97 inHg

Friday

12:00 AM

Clear night

78° 💧 None 💨 5 mph H 60%29.97 inHg

1:00 AM

Clear night

77° 💧 None 💨 7 mph H 62%29.94 inHg

2:00 AM

Clear night

77° 💧 None 💨 8 mph H 67%29.94 inHg

3:00 AM

Clear night

76° 💧 None 💨 8 mph H 74%29.94 inHg

4:00 AM

Clear night

75° 💧 None 💨 7 mph H 78%29.94 inHg

5:00 AM

Clear night

74° 💧 None 💨 6 mph H 81%29.94 inHg

6:00 AM

Clear night

73° 💧 None 💨 4 mph H 86%29.97 inHg

7:00 AM

Clear night

72° 💧 None 💨 5 mph H 88%29.97 inHg

8:00 AM

Sunny

74° 💧 None 💨 6 mph H 86%29.97 inHg

9:00 AM

Sunny

77° 💧 None 💨 4 mph H 78%29.97 inHg

10:00 AM

Sunny

81° 💧 None 💨 5 mph H 69%29.97 inHg

11:00 AM

Sunny

84° 💧 None 💨 4 mph H 63%29.97 inHg

12:00 PM

Sunny

87° 💧 None 💨 4 mph H 56%29.97 inHg

1:00 PM

Sunny

90° 💧 0.000 in 💨 4 mph H 49%29.94 inHg

2:00 PM

Sunny

92° 💧 0.000 in 💨 4 mph H 45%29.91 inHg

3:00 PM

Mostly sunny

93° 💧 None 💨 4 mph H 43%29.88 inHg

4:00 PM

Mostly sunny

93° 💧 0.000 in 💨 4 mph H 43%29.85 inHg

5:00 PM

Mostly sunny

92° 💧 0.003 in 💨 3 mph H 44%29.83 inHg

6:00 PM

Mostly sunny

91° 💧 0.002 in 💨 4 mph H 44%29.83 inHg

7:00 PM

Light rain

88° 💧 0.024 in 💨 3 mph H 57%29.85 inHg

8:00 PM

Light rain

77° 💧 0.041 in 💨 4 mph H 85%29.88 inHg

9:00 PM

Light thunderstorms

75° 💧 0.039 in 💨 2 mph H 92%29.94 inHg

10:00 PM

Light thunderstorms

74° 💧 0.060 in 💨 3 mph H 97%29.94 inHg

11:00 PM

Light rain

74° 💧 0.013 in 💨 3 mph H 95%29.97 inHg

Saturday

12:00 AM

Mostly clear night

74° 💧 0.000 in 💨 2 mph H 93%29.94 inHg

1:00 AM

Mostly clear night

74° 💧 None 💨 1 mph H 93%29.94 inHg

2:00 AM

Partly cloudy night

73° 💧 None 💨 2 mph H 93%29.94 inHg

3:00 AM

Mostly cloudy night

73° 💧 None 💨 2 mph H 94%29.94 inHg

4:00 AM

Overcast night

73° 💧 None 💨 4 mph H 94%29.94 inHg

5:00 AM

Mostly cloudy night

73° 💧 None 💨 5 mph H 96%29.94 inHg

6:00 AM

Overcast night

73° 💧 None 💨 4 mph H 97%29.97 inHg

7:00 AM

Mostly cloudy night

73° 💧 None 💨 4 mph H 98%29.97 inHg

8:00 AM

Mostly cloudy

74° 💧 0.001 in 💨 4 mph H 97%29.97 inHg

5:00 PM

Mostly cloudy

79° 💧 None 💨 4 mph H 83%29.94 inHg

8:00 PM

Light thunderstorms

76° 💧 None 💨 3 mph H 93%30.00 inHg

11:00 PM

Overcast night

73° 💧 None 💨 5 mph H 98%30.03 inHg

Sunday

2:00 AM

Light rain

71° 💧 None 💨 3 mph H 99%30.03 inHg

5:00 AM

Partly cloudy night

71° 💧 None 💨 5 mph H 99%30.00 inHg

8:00 AM

Partly cloudy

70° 💧 None 💨 3 mph H 99%30.06 inHg

11:00 AM

Light rain

76° 💧 None 💨 2 mph H 86%30.06 inHg

2:00 PM

Sunny

83° 💧 None 💨 2 mph H 73%30.03 inHg

5:00 PM

Mostly sunny

85° 💧 None 💨 2 mph H 66%29.97 inHg

8:00 PM

Mostly clear night

79° 💧 None 💨 2 mph H 82%29.97 inHg

11:00 PM

Clear night

75° 💧 None 💨 2 mph H 92%30.06 inHg

Monday

2:00 AM

Partly cloudy night

72° 💧 None 💨 2 mph H 100%30.03 inHg

5:00 AM

Overcast night

71° 💧 None 💨 1 mph H 100%30.03 inHg

8:00 AM

Overcast

71° 💧 None 💨 2 mph H 99%30.09 inHg

11:00 AM

Mostly sunny

80° 💧 None 💨 7 mph H 77%30.12 inHg

2:00 PM

Sunny

87° 💧 None 💨 7 mph H 61%30.06 inHg

5:00 PM

Sunny

88° 💧 None 💨 6 mph H 54%30.03 inHg

8:00 PM

Mostly clear night

80° 💧 None 💨 6 mph H 70%30.03 inHg

11:00 PM

Clear night

75° 💧 None 💨 3 mph H 83%30.06 inHg

Tuesday

2:00 AM

Clear night

73° 💧 None 💨 2 mph H 90%30.06 inHg

5:00 AM

Clear night

71° 💧 None 💨 1 mph H 94%30.09 inHg

8:00 AM

Sunny

70° 💧 None 💨 1 mph H 96%30.15 inHg

11:00 AM

Sunny

83° 💧 None 💨 1 mph H 65%30.18 inHg

2:00 PM

Mostly sunny

88° 💧 None 💨 2 mph H 54%30.15 inHg

8:00 PM

Mostly clear night

88° 💧 None 💨 3 mph H 62%30.09 inHg

Wednesday

2:00 AM

Partly cloudy night

81° 💧 None 💨 4 mph H 80%30.06 inHg

8:00 AM

Sunny

74° 💧 None 💨 2 mph H 94%30.09 inHg

2:00 PM

Partly cloudy

73° 💧 None 💨 1 mph H 98%30.15 inHg

8:00 PM

Mostly clear night

86° 💧 None 💨 2 mph H 64%30.12 inHg

Thursday

2:00 AM

Mostly clear night

80° 💧 None 💨 2 mph H 84%30.06 inHg

8:00 AM

Sunny

75° 💧 None 💨 0 mph H 94%30.09 inHg

2:00 PM

Partly cloudy

71° 💧 None 💨 4 mph H 98%30.15 inHg

8:00 PM

Clear night

87° 💧 None 💨 6 mph H 59%30.06 inHg

Friday

2:00 AM

Mostly clear night

82° 💧 None 💨 6 mph H 69%30.00 inHg

8:00 AM

Light rain

72° 💧 None 💨 7 mph H 99%30.03 inHg

2:00 PM

Light rain

70° 💧 None 💨 6 mph H 99%30.00 inHg

8:00 PM

Heavy rain

75° 💧 None 💨 5 mph H 90%29.97 inHg

Saturday

2:00 AM

Light rain

72° 💧 None 💨 2 mph H 98%29.94 inHg

8:00 AM

Sunny

68° 💧 None 💨 7 mph H 97%29.94 inHg

2:00 PM

Sunny

65° 💧 None 💨 7 mph H 97%29.94 inHg

8:00 PM

Mostly clear night

78° 💧 None 💨 9 mph H 56%29.91 inHg

Sunday

2:00 AM

Mostly clear night

72° 💧 None 💨 11 mph H 56%29.88 inHg

8:00 AM

Sunny

64° 💧 None 💨 7 mph H 85%29.91 inHg

2:00 PM

Sunny

61° 💧 None 💨 8 mph H 90%29.97 inHg

8:00 PM

Mostly clear night

75° 💧 None 💨 13 mph H 55%29.94 inHg

Monday

2:00 AM

Clear night

69° 💧 None 💨 8 mph H 59%29.94 inHg

8:00 AM

Sunny

62° 💧 None 💨 8 mph H 69%29.97 inHg

2:00 PM

Sunny

60° 💧 None 💨 8 mph H 81%30.06 inHg

8:00 PM

Clear night

76° 💧 None 💨 4 mph H 53%30.06 inHg

Tuesday

2:00 AM

Mostly clear night

70° 💧 None 💨 3 mph H 67%30.03 inHg

8:00 AM

Mostly cloudy

64° 💧 None 💨 7 mph H 71%30.09 inHg

2:00 PM

Overcast

59° 💧 None 💨 6 mph H 84%30.18 inHg

8:00 PM

Partly cloudy night

74° 💧 None 💨 2 mph H 50%30.18 inHg

Wednesday

2:00 AM

Mostly clear night

70° 💧 None 💨 3 mph H 65%30.15 inHg

8:00 AM

Sunny

60° 💧 None 💨 4 mph H 83%30.21 inHg

2:00 PM

Partly cloudy

56° 💧 None 💨 2 mph H 88%30.30 inHg

8:00 PM

Clear night

72° 💧 None 💨 4 mph H 48%30.24 inHg

Thursday

2:00 AM

Clear night

67° 💧 None 💨 5 mph H 58%30.15 inHg

8:00 AM

Partly cloudy

58° 💧 None 💨 2 mph H 79%30.21 inHg

2:00 PM

Mostly cloudy

55° 💧 None 💨 2 mph H 88%30.21 inHg

In Charleston and, more broadly, across the state of Tennessee: The evening will bring mostly cloudy skies with temperatures remaining hot, ranging from 84 to 87 degrees Fahrenheit. Winds will be light, coming from the southeast at around 7 mph, with occasional gusts reaching 21 mph. No rain is expected during the next few hours, so outdoor activities can generally continue without concern for precipitation. The warm temperatures and gentle breezes create a typical summer evening, but it’s advisable to stay hydrated and protect yourself from the sun if you are outdoors. As the night progresses, conditions will remain stable with no significant weather changes anticipated. Be mindful of the gusty winds, especially if you are in areas vulnerable to wind-related issues.

15-Day Weather Outlook for Charleston

Friday, Sep 11Fri Sep 11

Mostly sunny 93°/72° 💧 None 💨 8 mph

Saturday, Sep 12Sat Sep 12

Light thunderstorms 79°/73° 💧 0.252 in 💨 5 mph

Sunday, Sep 13Sun Sep 13

Light thunderstorms 85°/70° 💧 0.649 in 💨 5 mph

Monday, Sep 14Mon Sep 14

Mostly sunny 88°/71° 💧 0.003 in 💨 7 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 88°/70° 💧 0.001 in 💨 6 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 88°/73° 💧 0.039 in 💨 4 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 86°/71° 💧 0.180 in 💨 4 mph

Friday, Sep 18Fri Sep 18

Light rain 87°/70° 💧 0.301 in 💨 7 mph

Saturday, Sep 19Sat Sep 19

Heavy rain 75°/65° 💧 0.743 in 💨 7 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 78°/61° 💧 None 💨 11 mph

Monday, Sep 21Mon Sep 21

Mostly sunny 75°/60° 💧 0.005 in 💨 13 mph

Tuesday, Sep 22Tue Sep 22

Mostly sunny 76°/59° 💧 None 💨 7 mph

Wednesday, Sep 23Wed Sep 23

Partly cloudy 74°/56° 💧 None 💨 4 mph

Thursday, Sep 24Thu Sep 24

Partly cloudy 72°/55° 💧 None 💨 5 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 12:00 AM

PM2.5 Fine particles Good 5,4µg/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 10,7µg/m³

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

O₃ Ozone Good 49,9µg/m³

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

NO₂ Nitrogen dioxide Good 7,2µg/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 7,7High —Unavailable

Tomorrow UV 6,6High 🙂Fair

Friday UV 8,3Very high 🙂Fair

Saturday UV 7,5High 😊Good

Sunday UV 8,2Very high 🙂Fair

Monday UV 8,0Very high —Unavailable

Tuesday UV 8,0Very high —Unavailable

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

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

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.

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, TENNESSEE

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 6:00 AM–7:00 AM.

100/100Best-hour score

BEST TIME TONIGHT 6:00 AM–7:00 AM Astronomical darkness: 9:21 PM–5:51 AM

☁ Cloud cover 0% Real hourly forecast for the best viewing hour.

☾ Moonlight 2% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 83° high at the best hour.

✦ Estimated visible meteors 2–5/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min81%

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 11:07 PM. The current forecast period extends through 11/09/2026 at 9:00 PM. 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.