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

Now · 11:47 AM

Charleston Weather & Hourly Forecast

United States · Arkansas · 72933

99°F

Sunny

Feels like: 103°F

💧 Humidity 35% 🌡 Pressure 29.91 inHg 💨 Wind 3 mph 👁 Visibility 27.0 mi ☁ Clouds 2% ☀️ UV index 5.6 · Moderate 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Charleston

Today

12:00 PM

Sunny

99° 💧 0.001 in 💨 3 mph H 35%29.91 inHg

3:00 PM

Partly cloudy

103° 💧 0.009 in 💨 4 mph H 30%29.85 inHg

6:00 PM

Partly cloudy

97° 💧 0.001 in 💨 9 mph H 35%29.83 inHg

9:00 PM

Clear night

88° 💧 None 💨 8 mph H 56%29.88 inHg

Tomorrow

12:00 AM

Clear night

85° 💧 None 💨 5 mph H 60%29.91 inHg

3:00 AM

Clear night

82° 💧 None 💨 5 mph H 71%29.91 inHg

6:00 AM

Clear night

80° 💧 None 💨 5 mph H 77%29.94 inHg

9:00 AM

Sunny

86° 💧 None 💨 7 mph H 61%29.97 inHg

12:00 PM

Strong thunderstorm

96° 💧 None 💨 6 mph H 40%29.97 inHg

3:00 PM

Sunny

100° 💧 0.001 in 💨 9 mph H 34%29.91 inHg

6:00 PM

Mostly sunny

97° 💧 0.000 in 💨 9 mph H 35%29.88 inHg

9:00 PM

Clear night

91° 💧 None 💨 8 mph H 41%29.94 inHg

Tuesday

12:00 AM

Clear night

86° 💧 None 💨 7 mph H 43%29.97 inHg

3:00 AM

Clear night

81° 💧 None 💨 8 mph H 51%30.00 inHg

6:00 AM

Clear night

78° 💧 None 💨 4 mph H 53%30.03 inHg

9:00 AM

Sunny

83° 💧 None 💨 6 mph H 44%30.06 inHg

Today

12:00 PM

Sunny

99° 💧 0.000 in 💨 3 mph H 35%29.91 inHg

1:00 PM

Sunny

101° 💧 None 💨 4 mph H 33%29.88 inHg

2:00 PM

Sunny

102° 💧 0.000 in 💨 4 mph H 32%29.85 inHg

3:00 PM

Partly cloudy

103° 💧 None 💨 4 mph H 30%29.85 inHg

4:00 PM

Light rain

101° 💧 0.004 in 💨 5 mph H 32%29.83 inHg

5:00 PM

Light rain

99° 💧 0.004 in 💨 7 mph H 34%29.83 inHg

6:00 PM

Partly cloudy

97° 💧 0.001 in 💨 9 mph H 35%29.83 inHg

7:00 PM

Mostly sunny

93° 💧 None 💨 11 mph H 44%29.85 inHg

8:00 PM

Mostly clear night

89° 💧 None 💨 9 mph H 52%29.85 inHg

9:00 PM

Clear night

88° 💧 None 💨 8 mph H 56%29.88 inHg

10:00 PM

Clear night

88° 💧 None 💨 7 mph H 57%29.91 inHg

11:00 PM

Clear night

87° 💧 None 💨 6 mph H 59%29.91 inHg

Tomorrow

12:00 AM

Clear night

85° 💧 None 💨 5 mph H 60%29.91 inHg

1:00 AM

Clear night

84° 💧 None 💨 5 mph H 63%29.91 inHg

2:00 AM

Clear night

83° 💧 None 💨 6 mph H 68%29.91 inHg

3:00 AM

Clear night

82° 💧 None 💨 5 mph H 71%29.91 inHg

4:00 AM

Clear night

81° 💧 None 💨 6 mph H 73%29.94 inHg

5:00 AM

Clear night

80° 💧 None 💨 6 mph H 75%29.94 inHg

6:00 AM

Clear night

80° 💧 None 💨 5 mph H 77%29.94 inHg

7:00 AM

Sunny

79° 💧 None 💨 6 mph H 79%29.97 inHg

8:00 AM

Sunny

82° 💧 None 💨 6 mph H 73%29.97 inHg

9:00 AM

Sunny

86° 💧 None 💨 7 mph H 61%29.97 inHg

10:00 AM

Sunny

90° 💧 None 💨 7 mph H 53%29.97 inHg

11:00 AM

Sunny

94° 💧 None 💨 6 mph H 45%29.97 inHg

12:00 PM

Strong thunderstorm

96° 💧 None 💨 6 mph H 40%29.97 inHg

1:00 PM

Sunny

99° 💧 None 💨 7 mph H 37%29.94 inHg

2:00 PM

Sunny

100° 💧 None 💨 8 mph H 35%29.91 inHg

3:00 PM

Sunny

100° 💧 None 💨 9 mph H 34%29.91 inHg

4:00 PM

Mostly sunny

99° 💧 0.001 in 💨 10 mph H 34%29.88 inHg

5:00 PM

Sunny

98° 💧 0.000 in 💨 10 mph H 35%29.88 inHg

6:00 PM

Mostly sunny

97° 💧 0.000 in 💨 9 mph H 35%29.88 inHg

7:00 PM

Mostly sunny

95° 💧 None 💨 9 mph H 37%29.88 inHg

8:00 PM

Clear night

93° 💧 None 💨 8 mph H 39%29.88 inHg

9:00 PM

Clear night

91° 💧 None 💨 8 mph H 41%29.94 inHg

10:00 PM

Clear night

89° 💧 None 💨 8 mph H 41%29.97 inHg

11:00 PM

Clear night

88° 💧 None 💨 8 mph H 41%29.97 inHg

Tuesday

12:00 AM

Clear night

86° 💧 None 💨 7 mph H 43%29.97 inHg

1:00 AM

Clear night

84° 💧 None 💨 7 mph H 47%29.97 inHg

2:00 AM

Clear night

83° 💧 None 💨 8 mph H 49%30.00 inHg

3:00 AM

Clear night

81° 💧 None 💨 8 mph H 51%30.00 inHg

4:00 AM

Clear night

80° 💧 None 💨 7 mph H 52%30.00 inHg

5:00 AM

Clear night

79° 💧 None 💨 4 mph H 52%30.03 inHg

6:00 AM

Clear night

78° 💧 None 💨 4 mph H 53%30.03 inHg

7:00 AM

Sunny

77° 💧 None 💨 4 mph H 54%30.03 inHg

8:00 AM

Sunny

79° 💧 None 💨 6 mph H 52%30.06 inHg

9:00 AM

Sunny

83° 💧 None 💨 6 mph H 44%30.06 inHg

10:00 AM

Sunny

88° 💧 None 💨 5 mph H 38%30.06 inHg

11:00 AM

Mostly sunny

92° 💧 None 💨 4 mph H 34%30.06 inHg

12:00 PM

Partly cloudy

96° 💧 None 💨 3 mph H 32%30.03 inHg

1:00 PM

Sunny

99° 💧 None 💨 3 mph H 30%30.00 inHg

2:00 PM

Sunny

100° 💧 0.000 in 💨 4 mph H 29%30.00 inHg

3:00 PM

Sunny

101° 💧 None 💨 5 mph H 27%29.97 inHg

4:00 PM

Sunny

102° 💧 None 💨 6 mph H 26%29.94 inHg

5:00 PM

Sunny

101° 💧 None 💨 7 mph H 26%29.94 inHg

6:00 PM

Sunny

100° 💧 None 💨 7 mph H 27%29.94 inHg

7:00 PM

Sunny

98° 💧 None 💨 8 mph H 28%29.94 inHg

Wednesday

4:00 AM

Clear night

83° 💧 None 💨 6 mph H 46%30.06 inHg

7:00 AM

Sunny

80° 💧 None 💨 2 mph H 61%30.06 inHg

10:00 AM

Sunny

92° 💧 None 💨 4 mph H 46%30.09 inHg

1:00 PM

Light rain

99° 💧 None 💨 7 mph H 32%30.03 inHg

4:00 PM

Sunny

100° 💧 None 💨 5 mph H 30%29.97 inHg

7:00 PM

Sunny

96° 💧 None 💨 7 mph H 35%29.91 inHg

10:00 PM

Clear night

89° 💧 None 💨 5 mph H 49%29.97 inHg

Thursday

1:00 AM

Mostly clear night

86° 💧 None 💨 5 mph H 56%29.97 inHg

4:00 AM

Clear night

84° 💧 None 💨 5 mph H 57%29.94 inHg

7:00 AM

Overcast

82° 💧 None 💨 4 mph H 60%29.97 inHg

10:00 AM

Light rain

85° 💧 None 💨 8 mph H 62%30.00 inHg

1:00 PM

Partly cloudy

91° 💧 None 💨 5 mph H 46%29.94 inHg

4:00 PM

Moderate rain

89° 💧 None 💨 9 mph H 56%29.85 inHg

7:00 PM

Partly cloudy

87° 💧 None 💨 1 mph H 56%29.85 inHg

10:00 PM

Mostly clear night

83° 💧 None 💨 1 mph H 69%29.88 inHg

Friday

1:00 AM

Mostly cloudy night

80° 💧 None 💨 1 mph H 77%29.88 inHg

4:00 AM

Clear night

77° 💧 None 💨 3 mph H 88%29.88 inHg

7:00 AM

Sunny

76° 💧 None 💨 4 mph H 88%29.88 inHg

10:00 AM

Sunny

86° 💧 None 💨 3 mph H 62%29.88 inHg

1:00 PM

Sunny

95° 💧 None 💨 1 mph H 40%29.83 inHg

4:00 PM

Mostly sunny

100° 💧 None 💨 1 mph H 30%29.74 inHg

7:00 PM

Mostly sunny

89° 💧 None 💨 6 mph H 59%29.74 inHg

10:00 PM

Clear night

85° 💧 None 💨 4 mph H 62%29.77 inHg

Saturday

1:00 AM

Partly cloudy night

84° 💧 None 💨 6 mph H 60%29.77 inHg

7:00 AM

Mostly sunny

87° 💧 None 💨 9 mph H 45%29.80 inHg

1:00 PM

Sunny

82° 💧 None 💨 6 mph H 67%29.80 inHg

7:00 PM

Mostly sunny

101° 💧 None 💨 8 mph H 33%29.83 inHg

Sunday

1:00 AM

Mostly cloudy night

98° 💧 None 💨 8 mph H 34%29.77 inHg

7:00 AM

Sunny

88° 💧 None 💨 8 mph H 46%29.85 inHg

1:00 PM

Sunny

82° 💧 None 💨 10 mph H 67%29.88 inHg

7:00 PM

Sunny

97° 💧 None 💨 12 mph H 37%29.88 inHg

Monday

1:00 AM

Clear night

96° 💧 None 💨 12 mph H 37%29.83 inHg

7:00 AM

Sunny

85° 💧 None 💨 11 mph H 62%29.91 inHg

1:00 PM

Sunny

80° 💧 None 💨 7 mph H 79%30.00 inHg

7:00 PM

Sunny

97° 💧 None 💨 10 mph H 41%29.97 inHg

Tuesday

1:00 AM

Clear night

95° 💧 None 💨 10 mph H 41%29.88 inHg

7:00 AM

Sunny

84° 💧 None 💨 3 mph H 67%30.00 inHg

1:00 PM

Overcast

79° 💧 None 💨 2 mph H 83%30.06 inHg

7:00 PM

Thunderstorms

87° 💧 None 💨 5 mph H 62%30.06 inHg

Wednesday

1:00 AM

Mostly cloudy night

79° 💧 None 💨 2 mph H 88%30.06 inHg

7:00 AM

Overcast

76° 💧 None 💨 6 mph H 86%30.09 inHg

1:00 PM

Partly cloudy

72° 💧 None 💨 8 mph H 73%30.15 inHg

7:00 PM

Overcast

81° 💧 None 💨 4 mph H 58%30.15 inHg

Thursday

1:00 AM

Overcast night

81° 💧 None 💨 5 mph H 63%30.06 inHg

7:00 AM

Partly cloudy

73° 💧 None 💨 7 mph H 64%30.09 inHg

1:00 PM

Overcast

69° 💧 None 💨 4 mph H 65%30.09 inHg

7:00 PM

Sunny

86° 💧 None 💨 2 mph H 45%30.03 inHg

Friday

1:00 AM

Mostly clear night

86° 💧 None 💨 5 mph H 49%29.91 inHg

7:00 AM

Sunny

77° 💧 None 💨 4 mph H 71%29.94 inHg

1:00 PM

Light rain

71° 💧 None 💨 10 mph H 96%29.91 inHg

7:00 PM

Mostly sunny

87° 💧 None 💨 2 mph H 57%29.91 inHg

Saturday

1:00 AM

Partly cloudy night

85° 💧 None 💨 1 mph H 68%29.80 inHg

7:00 AM

Light rain

73° 💧 None 💨 2 mph H 97%29.91 inHg

1:00 PM

Moderate rain

72° 💧 None 💨 6 mph H 99%29.97 inHg

7:00 PM

Mostly sunny

82° 💧 None 💨 1 mph H 72%29.97 inHg

Sunday

1:00 AM

Moderate rain

76° 💧 None 💨 4 mph H 91%29.94 inHg

7:00 AM

Light rain

74° 💧 None 💨 8 mph H 96%30.03 inHg

1:00 PM

Light rain

64° 💧 None 💨 13 mph H 66%30.15 inHg

7:00 PM

Mostly sunny

69° 💧 None 💨 8 mph H 63%30.27 inHg

Monday

1:00 AM

Partly cloudy night

72° 💧 None 💨 6 mph H 53%30.21 inHg

In Charleston and, more broadly, across the state of Arkansas: The rest of the day will be mostly sunny with a few clouds, bringing very hot conditions with temperatures ranging from 82 to 99 degrees Fahrenheit. Light east winds will generally blow around 6 mph, with occasional gusts reaching up to 17 mph. No precipitation is expected, so outdoor activities can continue without concern for rain. Be sure to stay hydrated and take necessary precautions to protect yourself from the heat, especially during the hottest parts of the afternoon. The weather should remain stable into the evening, with temperatures gradually cooling but still remaining warm.

15-Day Weather Outlook for Charleston

TomorrowTomorrow

Strong thunderstorm 100°/79° 💧 None 💨 11 mph

Tuesday, Sep 8Tue Sep 8

Mostly sunny 102°/77° 💧 None 💨 9 mph

Wednesday, Sep 9Wed Sep 9

Light rain 100°/80° 💧 0.017 in 💨 8 mph

Thursday, Sep 10Thu Sep 10

Moderate rain 96°/82° 💧 0.076 in 💨 9 mph

Friday, Sep 11Fri Sep 11

Partly cloudy 100°/76° 💧 0.012 in 💨 4 mph

Saturday, Sep 12Sat Sep 12

Mostly sunny 89°/82° 💧 0.032 in 💨 9 mph

Sunday, Sep 13Sun Sep 13

Mostly sunny 101°/82° 💧 0.001 in 💨 10 mph

Monday, Sep 14Mon Sep 14

Sunny 97°/80° 💧 0.001 in 💨 12 mph

Tuesday, Sep 15Tue Sep 15

Overcast 97°/79° 💧 0.047 in 💨 10 mph

Wednesday, Sep 16Wed Sep 16

Thunderstorms 87°/72° 💧 0.372 in 💨 8 mph

Thursday, Sep 17Thu Sep 17

Overcast 81°/69° 💧 0.011 in 💨 7 mph

Friday, Sep 18Fri Sep 18

Light rain 86°/71° 💧 0.108 in 💨 10 mph

Saturday, Sep 19Sat Sep 19

Moderate rain 87°/72° 💧 0.311 in 💨 6 mph

Sunday, Sep 20Sun Sep 20

Moderate rain 82°/64° 💧 0.238 in 💨 13 mph

Monday, Sep 21Mon Sep 21

Mostly sunny 72°/69° 💧 0.040 in 💨 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 12:00 PM

PM2.5 Fine particles Good 3,4µg/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 3,9µg/m³

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

O₃ Ozone Fair 83,4µg/m³

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

NO₂ Nitrogen dioxide Good 0,5µg/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 8,8Very high 🙂Fair

Tomorrow UV 9,0Very high 🙂Fair

Tuesday UV 8,6Very high 🙂Fair

Wednesday UV 8,4Very high 🙂Fair

Thursday UV 8,0Very high 🙂Fair

Friday UV 9,0Very high —Unavailable

Saturday UV 9,0Very high —Unavailable

Hourly UV index today

12:00 PMUV 7,7 1:00 PMUV 8,8 2:00 PMUV 8,4 3:00 PMUV 3,0 4:00 PMUV 1,0 5:00 PMUV 0,5 6:00 PMUV 0,3 7:00 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.

Acceptable air quality

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

High heat

Stay hydrated and avoid intense exercise during the hottest part of the day.

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, ARKANSAS

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 2:00 AM–3:00 AM.

100/100Best-hour score

BEST TIME TONIGHT 2:00 AM–3:00 AM Astronomical darkness: 9:03 PM–5:26 AM

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

☾ Moonlight 22% Waning Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 50° 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 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 11:47 AM. The current forecast period extends through 08/09/2026 at 9:00 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.