Barnwell County, South Carolina, United States

Last updated: 6:33 PM CDT · Refresh

27°C

Feels like 29°

Rain

▲ 33° / ▼ 20°

Wind

7 mph WSW

Humidity

81%

Dew Point

23°

Pressure

29.70 inHg

Visibility

6 mi

UV Index

1.0

Cloud Cover

85%

Sunrise

6:52 AM

Sunset

8:04 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Barnwell County is currently rain at 26°C. Precipitation is likely — peak probability 90% around 7 PM. Atmospheric instability is elevated (CAPE up to 1742 J/kg) — isolated convective development possible. Sunrise: 6:52AM · Sunset: 8:04PM.

51 AQI · Moderate Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

27°

90%

8 PM

26°

90%

9 PM

24°

61%

10 PM

24°

58%

11 PM

24°

48%

12 AM

23°

51%

1 AM

23°

47%

2 AM

23°

29%

3 AM

23°

29%

4 AM

22°

26%

5 AM

20°

29%

6 AM

21°

16%

7 AM

21°

25%

8 AM

22°

21%

9 AM

23°

27%

10 AM

25°

27%

11 AM

26°

44%

12 PM

27°

41%

1 PM

30°

44%

2 PM

31°

39%

3 PM

31°

39%

4 PM

31°

36%

5 PM

31°

37%

6 PM

30°

41%

7-Day Forecast

Tonight

33° 20°

Rain, 90% chance.

Sat

33° 20°

Partly Cloudy with a 51% chance of rain.

Sun

34° 21°

Mostly Clear.

Mon

33° 19°

Partly Cloudy with a 53% chance of rain.

Tue

32° 19°

Rain, 64% chance.

Wed

33° 20°

Heavy Rain, 83% chance.

Thu

32° 20°

Rain, 73% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 27° Rain 90% 7 mph WSW 81%

8 PM 26° Rain 90% 5 mph S 86%

9 PM 24° Mostly Cloudy 61% 5 mph SSE 89%

10 PM 24° Mostly Cloudy 58% 6 mph SE 91%

11 PM 24° Mostly Cloudy 48% 5 mph SE 92%

12 AM 23° Mostly Cloudy 51% 4 mph S 92%

1 AM 23° Mostly Cloudy 47% 4 mph SSW 93%

2 AM 23° Mostly Cloudy 29% 3 mph SSW 93%

3 AM 23° Overcast 29% 3 mph SSW 93%

4 AM 22° Overcast 26% 4 mph SSW 93%

5 AM 20° Overcast 29% 4 mph SSW 92%

6 AM 21° Overcast 16% 4 mph SW 91%

7 AM 21° Mostly Cloudy 25% 4 mph SW 90%

8 AM 22° Mostly Cloudy 21% 4 mph WSW 87%

9 AM 23° Mostly Cloudy 27% 4 mph WSW 82%

10 AM 25° Mostly Cloudy 27% 5 mph WSW 76%

11 AM 26° Mostly Cloudy 44% 5 mph WSW 71%

12 PM 27° Mostly Cloudy 41% 6 mph WSW 67%

1 PM 30° Mostly Cloudy 44% 6 mph WSW 63%

2 PM 31° Mostly Cloudy 39% 6 mph WSW 60%

3 PM 31° Partly Cloudy 39% 6 mph WSW 59%

4 PM 31° Partly Cloudy 36% 6 mph WSW 58%

5 PM 31° Partly Cloudy 37% 5 mph WSW 59%

6 PM 30° Mostly Clear 41% 5 mph SW 61%

15-Day Forecast

Today

8/21

Rain

90%

20°

33°

Sat

8/22

Partly Cloudy

51%

20°

33°

Sun

8/23

Mostly Clear

14%

21°

34°

Mon

8/24

Partly Cloudy

53%

19°

33°

Tue

8/25

Rain

64%

19°

32°

Wed

8/26

Heavy Rain

83%

20°

33°

Thu

8/27

Rain

73%

20°

32°

Fri

8/28

Rain

63%

22°

33°

Sat

8/29

Rain

73%

21°

35°

Sun

8/30

Rain

72%

19°

34°

Mon

8/31

Mostly Cloudy

42%

20°

36°

Tue

9/1

Drizzle

60%

23°

35°

Wed

9/2

Drizzle

60%

24°

34°

Thu

9/3

Drizzle

60%

23°

34°

Fri

9/4

Drizzle

60%

23°

34°

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

41 AQI 45 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Sat 51 Moderate 41 51

Sun 42 Good 42 35

Mon 43 Good 41 43

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, 22:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE1078 J/kg

MLCAPE1624 J/kg

MUCAPE2276 J/kg

SBCIN-192 J/kg

MLCIN-95 J/kg

Lifted Index-4.5

Kinematics

0–6 km Shear7 kt

0–1 km Shear8 kt

Eff. Shear7 kt

0–1 km SRH4

0–3 km SRH31

Eff. SRH31

Storm Motion301° @ 13 kt

0–1 km EHI0.0

Composite Parameters

Sig. Tornado0.0

STP (eff)0.0

Supercell0.0

K-Index37.6

Thermo & Levels

PWAT2.21 in

0–3 km LR5.8 °C/km

700–500 LR5.7 °C/km

Total Totals49.1

LCL950 hPa

LFC789 hPa

EL207 hPa

Freezing Lvl14,114 ft

Barnwell County, South Carolina, United States

Alerts