Marlboro County, South Carolina, United States

Last updated: 4:05 PM CDT · Refresh

30°C

Feels like 36°

Mostly Cloudy

▲ 31° / ▼ 20°

Wind

6 mph ENE

Humidity

77%

Dew Point

24°

Pressure

29.81 inHg

Visibility

9 mi

UV Index

5.2

Cloud Cover

67%

Sunrise

6:43 AM

Sunset

7:59 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Marlboro County is currently mostly cloudy at 30°C. Precipitation is likely — peak probability 90% around 6 PM. Atmospheric instability is elevated (CAPE up to 2382 J/kg) — isolated convective development possible. Sunrise: 6:43AM · Sunset: 7:59PM.

51 AQI · Moderate Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

30°

66%

6 PM

28°

90%

7 PM

27°

90%

8 PM

25°

73%

9 PM

24°

74%

10 PM

23°

75%

11 PM

23°

67%

12 AM

22°

57%

1 AM

22°

68%

2 AM

22°

44%

3 AM

21°

40%

4 AM

21°

41%

5 AM

21°

28%

6 AM

20°

27%

7 AM

21°

33%

8 AM

21°

31%

9 AM

22°

34%

10 AM

24°

42%

11 AM

25°

47%

12 PM

26°

52%

1 PM

27°

57%

2 PM

29°

57%

3 PM

29°

58%

4 PM

30°

65%

7-Day Forecast

Today

31° 20°

Mostly Cloudy with a 73% chance of rain.

Sat

32° 20°

Partly Cloudy with a 65% chance of rain.

Sun

33° 21°

Clear with a 25% chance of rain.

Mon

32° 19°

Mostly Cloudy with a 60% chance of rain.

Tue

31° 20°

Clear with a 51% chance of rain.

Wed

32° 20°

Rain, 70% chance.

Thu

31° 21°

Heavy Rain, 82% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 30° Mostly Cloudy 66% 6 mph ENE 77%

6 PM 28° Overcast 90% 11 mph E 83%

7 PM 27° Mostly Cloudy 90% 10 mph E 86%

8 PM 25° Heavy Rain 73% 11 mph E 90%

9 PM 24° Heavy Rain 74% 9 mph ENE 91%

10 PM 23° Heavy Rain 75% 8 mph ENE 93%

11 PM 23° Heavy Rain 67% 6 mph NW 96%

12 AM 22° Overcast 57% 5 mph ENE 96%

1 AM 22° Rain 68% 6 mph E 95%

2 AM 22° Rain 44% 6 mph ESE 95%

3 AM 21° Rain 40% 4 mph ENE 96%

4 AM 21° Mostly Cloudy 41% 3 mph E 96%

5 AM 21° Mostly Cloudy 28% 1 mph ENE 96%

6 AM 20° Mostly Cloudy 27% 2 mph ENE 95%

7 AM 21° Mostly Cloudy 33% 2 mph NE 94%

8 AM 21° Partly Cloudy 31% 3 mph NNE 93%

9 AM 22° Partly Cloudy 34% 2 mph NW 88%

10 AM 24° Partly Cloudy 42% 2 mph WNW 83%

11 AM 25° Partly Cloudy 47% 3 mph WNW 79%

12 PM 26° Partly Cloudy 52% 3 mph W 76%

1 PM 27° Partly Cloudy 57% 4 mph WSW 72%

2 PM 29° Partly Cloudy 57% 4 mph WSW 69%

3 PM 29° Partly Cloudy 58% 4 mph WSW 68%

4 PM 30° Partly Cloudy 65% 4 mph WSW 67%

15-Day Forecast

Today

8/21

Mostly Cloudy

73%

20°

31°

Sat

8/22

Partly Cloudy

65%

20°

32°

Sun

8/23

Clear

25%

21°

33°

Mon

8/24

Mostly Cloudy

60%

19°

32°

Tue

8/25

Clear

51%

20°

31°

Wed

8/26

Rain

70%

20°

32°

Thu

8/27

Heavy Rain

82%

21°

31°

Fri

8/28

Drizzle

72%

20°

33°

Sat

8/29

Drizzle

44%

22°

31°

Sun

8/30

Drizzle

51%

20°

33°

Mon

8/31

Drizzle

60%

23°

33°

Tue

9/1

Drizzle

60%

23°

34°

Wed

9/2

Drizzle

60%

22°

33°

Thu

9/3

Drizzle

60%

22°

33°

Fri

9/4

Drizzle

60%

21°

32°

Moderate

U.S. Air Quality Index · Dominant: PM2.5

50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today

PM_2.5

Fine particulate matter

Dominant

51 AQI 9.3 µg/m³

O₃

Ground-level ozone

45 AQI 50 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Sat 51 Moderate 45 51

Sun 39 Good 39 31

Mon 42 Good 38 42

About the Air Quality Index

0–50 Good

51–100 Moderate

101–150 Unhealthy for Sensitive Groups

151–200 Unhealthy

201–300 Very Unhealthy

301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM_2.5 (fine particles) is reported in µg/m³ and ozone (O₃) in ppb. Forecast source: NWS NAQFC.

Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio

RAP

Valid Fri Aug 21, 19:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE2814 J/kg

MLCAPE2231 J/kg

MUCAPE2814 J/kg

SBCIN-5 J/kg

MLCIN-23 J/kg

Lifted Index-6.7

Kinematics

0–6 km Shear21 kt

0–1 km Shear9 kt

Eff. Shear21 kt

0–1 km SRH55

0–3 km SRH78

Eff. SRH78

Storm Motion283° @ 18 kt

0–1 km EHI1.0

Composite Parameters

Sig. Tornado0.0

STP (eff)0.0

Supercell2.3

K-Index38.8

Thermo & Levels

PWAT2.38 in

0–3 km LR6.9 °C/km

700–500 LR5.6 °C/km

Total Totals48.7

LCL924 hPa

LFC880 hPa

EL148 hPa

Freezing Lvl14,432 ft

Marlboro County, South Carolina, United States

Alerts