Marlboro County, South Carolina, United States

Last updated: 7:10 PM CDT  ·  Refresh
33°C
Feels like 36°
Partly Cloudy
▲ 34°  /  ▼ 24°
Wind
11 mph SSW
Humidity
48%
Dew Point
20°
Pressure
29.72 inHg
Visibility
10 mi
UV Index
0.7
Cloud Cover
59%
Sunrise
6:21 AM
Sunset
8:28 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Marlboro County is currently partly cloudy at 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1247 J/kg) — isolated convective development possible. Sunrise: 6:21AM · Sunset: 8:28PM.

Alerts

No active alerts for this location.
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
6%
9 PM
32°
25%
10 PM
30°
25%
11 PM
29°
25%
12 AM
29°
25%
1 AM
28°
23%
2 AM
27°
4%
3 AM
27°
4%
4 AM
26°
5%
5 AM
26°
3%
6 AM
24°
3%
7 AM
25°
3%
8 AM
26°
3%
9 AM
27°
3%
10 AM
29°
3%
11 AM
30°
3%
12 PM
31°
3%
1 PM
32°
3%
2 PM
33°
3%
3 PM
35°
15%
4 PM
34°
15%
5 PM
34°
26%
6 PM
34°
29%
7 PM
34°
30%
7-Day Forecast
Tonight
34° 24°
Partly Cloudy with a 25% chance of rain.
Wed
36° 24°
Mostly Cloudy with a 30% chance of rain.
Thu
33° 22°
Heavy Rain, 83% chance.
Fri
30° 20°
Mostly Cloudy with a 85% chance of rain.
Sat
29° 21°
Rain, 90% chance.
Sun
34° 20°
Rain, 71% chance.
Mon
37° 22°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 33° Partly Cloudy 6% 11 mph SSW 48%
9 PM 32° Overcast 25% 13 mph S 54%
10 PM 30° Overcast 25% 13 mph S 61%
11 PM 29° Overcast 25% 13 mph SSW 68%
12 AM 29° Overcast 25% 13 mph SSW 72%
1 AM 28° Overcast 23% 12 mph SSW 75%
2 AM 27° Overcast 4% 12 mph SSW 78%
3 AM 27° Overcast 4% 11 mph SSW 80%
4 AM 26° Overcast 5% 10 mph SSW 83%
5 AM 26° Overcast 3% 10 mph SSW 84%
6 AM 24° Overcast 3% 10 mph SSW 84%
7 AM 25° Overcast 3% 10 mph SSW 83%
8 AM 26° Overcast 3% 12 mph SSW 80%
9 AM 27° Overcast 3% 13 mph SW 71%
10 AM 29° Mostly Cloudy 3% 14 mph SW 62%
11 AM 30° Mostly Cloudy 3% 15 mph SW 55%
12 PM 31° Mostly Cloudy 3% 15 mph SW 49%
1 PM 32° Mostly Cloudy 3% 16 mph SW 44%
2 PM 33° Mostly Cloudy 3% 15 mph SW 40%
3 PM 35° Mostly Cloudy 15% 15 mph SW 40%
4 PM 34° Mostly Cloudy 15% 14 mph SW 40%
5 PM 34° Overcast 26% 14 mph SW 41%
6 PM 34° Mostly Cloudy 29% 12 mph SW 42%
7 PM 34° Mostly Cloudy 30% 11 mph SSW 44%
15-Day Forecast
Today
7/21
Partly Cloudy
25%
24°
34°
Wed
7/22
Mostly Cloudy
30%
24°
36°
Thu
7/23
Heavy Rain
83%
22°
33°
Fri
7/24
Mostly Cloudy
85%
20°
30°
Sat
7/25
Rain
90%
21°
29°
Sun
7/26
Rain
71%
20°
34°
Mon
7/27
Drizzle
60%
22°
37°
Tue
7/28
Drizzle
60%
24°
37°
Wed
7/29
Rain
90%
22°
34°
Thu
7/30
Drizzle
51%
22°
34°
Fri
7/31
Drizzle
60%
22°
34°
Sat
8/1
Drizzle
60%
22°
33°
Sun
8/2
Drizzle
60%
22°
34°
Mon
8/3
Drizzle
60%
22°
34°
Tue
8/4
Drizzle
60%
23°
35°
52
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
PM2.5
Fine particulate matter
Dominant
52 AQI 9.7 µg/m³
O3
Ground-level ozone
35 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 52 Moderate 35 52
Thu 53 Moderate 33 53
Fri 52 Moderate 29 52
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. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Tue Jul 21, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE452 J/kg
MLCAPE188 J/kg
MUCAPE452 J/kg
SBCIN-106 J/kg
MLCIN0 J/kg
Lifted Index-3.3
Kinematics
0–6 km Shear22 kt
0–1 km Shear11 kt
Eff. Shear22 kt
0–1 km SRH13
0–3 km SRH-31
Eff. SRH-31
Storm Motion217° @ 34 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index28.8
Thermo & Levels
PWAT1.82 in
0–3 km LR7.2 °C/km
700–500 LR6.1 °C/km
Total Totals46.7
LCL838 hPa
LFC772 hPa
EL222 hPa
Freezing Lvl15,873 ft