Spartanburg County, South Carolina, United States

Last updated: 5:23 PM CDT · Refresh

29°C

Feels like 32°

Partly Cloudy

▲ 30° / ▼ 18°

Wind

5 mph E

Humidity

64%

Dew Point

22°

Pressure

29.07 inHg

Visibility

10 mi

UV Index

4.4

Cloud Cover

44%

Sunrise

6:52 AM

Sunset

8:08 PM

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WeatherAI™ Analysis

WeatherAI Analysis: Spartanburg County is currently partly cloudy at 29°C. Precipitation is likely — peak probability 88% around 10 PM. Atmospheric instability is elevated (CAPE up to 1342 J/kg) — isolated convective development possible. Sunrise: 6:52AM · Sunset: 8:08PM.

51 AQI · Moderate Dominant: O3 Air Quality

Hourly Forecast · Next 24 Hours

Now

29°

49%

7 PM

27°

65%

8 PM

26°

79%

9 PM

24°

83%

10 PM

23°

87%

11 PM

22°

80%

12 AM

21°

63%

1 AM

21°

56%

2 AM

21°

33%

3 AM

21°

20%

4 AM

20°

20%

5 AM

20°

20%

6 AM

18°

21%

7 AM

19°

8 AM

19°

12%

9 AM

21°

18%

10 AM

22°

20%

11 AM

24°

18%

12 PM

25°

19%

1 PM

28°

19%

2 PM

29°

25%

3 PM

29°

30%

4 PM

29°

31%

5 PM

29°

33%

7-Day Forecast

Tonight

30° 18°

Partly Cloudy with a 83% chance of rain.

Sat

32° 18°

Partly Cloudy with a 63% chance of rain.

Sun

33° 18°

Clear.

Mon

31° 17°

Mostly Clear with a 39% chance of rain.

Tue

31° 17°

Mostly Clear with a 37% chance of rain.

Wed

32° 19°

Heavy Rain, 76% chance.

Thu

30° 21°

Rain, 73% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 29° Partly Cloudy 49% 5 mph E 64%

7 PM 27° Partly Cloudy 65% 6 mph ESE 71%

8 PM 26° Mostly Cloudy 79% 7 mph ESE 78%

9 PM 24° Overcast 83% 6 mph E 86%

10 PM 23° Rain 87% 5 mph ENE 91%

11 PM 22° Rain 80% 5 mph NE 94%

12 AM 21° Rain 63% 3 mph NNE 95%

1 AM 21° Rain 56% 2 mph ENE 96%

2 AM 21° Overcast 33% 3 mph E 96%

3 AM 21° Mostly Cloudy 20% 3 mph NNW 96%

4 AM 20° Mostly Cloudy 20% 3 mph NNW 96%

5 AM 20° Partly Cloudy 20% 2 mph NNW 96%

6 AM 18° Partly Cloudy 21% 2 mph NNE 95%

7 AM 19° Partly Cloudy 7% 2 mph NE 95%

8 AM 19° Partly Cloudy 12% 2 mph NE 92%

9 AM 21° Mostly Cloudy 18% 2 mph NE 84%

10 AM 22° Partly Cloudy 20% 2 mph NNE 77%

11 AM 24° Partly Cloudy 18% 2 mph N 69%

12 PM 25° Partly Cloudy 19% 2 mph NNE 62%

1 PM 28° Partly Cloudy 19% 2 mph E 56%

2 PM 29° Partly Cloudy 25% 2 mph SSW 52%

3 PM 29° Partly Cloudy 30% 2 mph SSW 51%

4 PM 29° Mostly Clear 31% 3 mph SW 50%

5 PM 29° Partly Cloudy 33% 4 mph SW 50%

15-Day Forecast

Today

8/21

Partly Cloudy

83%

18°

30°

Sat

8/22

Partly Cloudy

63%

18°

32°

Sun

8/23

Clear

18°

33°

Mon

8/24

Mostly Clear

39%

17°

31°

Tue

8/25

Mostly Clear

37%

17°

31°

Wed

8/26

Heavy Rain

76%

19°

32°

Thu

8/27

Rain

73%

21°

30°

Fri

8/28

Mostly Cloudy

56%

18°

33°

Sat

8/29

Rain

73%

20°

31°

Sun

8/30

Rain

72%

18°

33°

Mon

8/31

Drizzle

51%

18°

34°

Tue

9/1

Drizzle

60%

23°

35°

Wed

9/2

Drizzle

60%

23°

34°

Thu

9/3

Drizzle

60%

23°

33°

Fri

9/4

Drizzle

60%

23°

33°

Moderate

U.S. Air Quality Index · Dominant: O3

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

43 AQI 7.8 µg/m³

O₃

Ground-level ozone

Dominant

51 AQI 56 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Sat 51 Moderate 51 43

Sun 46 Good 43 46

Mon 48 Good 37 48

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

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE2220 J/kg

MLCAPE1605 J/kg

MUCAPE3039 J/kg

SBCIN-1 J/kg

MLCIN-15 J/kg

Lifted Index-5.5

Kinematics

0–6 km Shear20 kt

0–1 km Shear7 kt

Eff. Shear21 kt

0–1 km SRH30

0–3 km SRH62

Eff. SRH62

Storm Motion336° @ 15 kt

0–1 km EHI0.4

Composite Parameters

Sig. Tornado0.0

STP (eff)0.0

Supercell2.0

K-Index35.3

Thermo & Levels

PWAT1.88 in

0–3 km LR7.2 °C/km

700–500 LR5.6 °C/km

Total Totals45.9

LCL885 hPa

LFC892 hPa

EL165 hPa

Freezing Lvl14,311 ft

Spartanburg County, South Carolina, United States

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