How does NOAA issue severe storm watches for Sumter?

The National Weather Service (NWS) monitors atmospheric instability across South Carolina. When convective storms, tornado potential, or flash floods are detected, automated NOAA advisories are immediately broadcasted.

What are the best outdoor weather hours in Sumter today?

Check the 24-hour hourly trend chart above to identify windows of minimal rain probability, low UV index periods, and mild temperatures.

SC, USAZIP 29150Live NOAA Station

Sumter, SC

Q: What is the current temperature and forecast in Sumter, South Carolina?

The current weather in Sumter is around 89°F. Forecast models from NOAA and high-resolution satellite imagery provide 10-day trends and real-time precipitation radars updated every 15 minutes.

Mayormente despejado•Sensación térmica 94°F+3° heat index

90°F/72°F

9 mph 45°

50%Humedad

89°F

National Weather Service High-Resolution Rapid Refresh (HRRR)

Actualizado: 09:15 AM (America/New_York)

Daily Meteorological Briefing

Sumter, SC

Synthesized forecast and practical day-planning insights

NOAA HRRR Stream

Expect mild and stable weather across Sumter, SC today.

Current temperature is 89°F (feels like 94°F), with daytime highs reaching 90°F and overnight lows around 72°F. Humidity is at 50%, with atmospheric pressure steady at 1015.8 hPa.

Sun protection is recommended with UV reaching 6.3. Wear SPF and sunglasses during midday hours.

Daily Range

Δ 10° Variation

Rain Likelihood

Low (< 10%)

Solar Exposure

UV 6.3 • High UV

24-Hour Temperature & Rain Outlook

Hourly temperature progression and precipitation probability

Temp (°F) Rain (%)

Pronóstico por Hora

Next 16 Hours

Now

76°F

1 AM

77°F

2 AM

77°F

3 AM

76°F

4 AM

74°F

5 AM

73°F

6 AM

73°F

7 AM

72°F

8 AM

73°F

9 AM

77°F

10 AM

82°F

11 AM

85°F

12 PM

87°F

1 PM

89°F

2 PM

90°F

3 PM

88°F

10%

Pronóstico de 10 Días

Extended 10-day meteorological outlook

10-Day Range

Hoy

22 sept

23%

72°F

90°F

mié

23 sept

27%

67°F

81°F

jue

24 sept

38%

60°F

74°F

vie

25 sept

56°F

76°F

sáb

26 sept

53°F

78°F

dom

27 sept

57°F

81°F

lun

28 sept

58°F

86°F

mar

29 sept

59°F

88°F

mié

30 sept

13%

61°F

88°F

jue

1 oct

18%

63°F

88°F

Weather Details & Observations

Real-time atmospheric measurements and environmental indicators

Live Feed

Índice UVHigh

6.3 / 11+

Protection requiredPeak 6.55

Viento45°

9 mph

Wind Gusts:11 mph

Conditions:Gentle breeze

Sun CycleDaylight

Sunrise07:09 AM

Sunset07:17 PM

Solar Noon:12:54 PM

HumedadComfortable

50%

Punto de Rocío:68°F

PresiónSteady

30.00 inHg

Trend:Stable (+0.1 hPa)

VisibilidadClear

22.9 mi

Haze:Minimal

Air Quality Index (AQI)Good

31US EPA Standard

Air quality is ideal for outdoor activities.

PM2.54 µg

OZONE94 µg

PM105 µg

Daily Lifestyle & Activity Index

Practical recommendations tailored to current local conditions

Outdoor SportsCaution

Extreme temperatures. Indoor exercise recommended.

Car WashRecommended

Dry conditions will keep your vehicle clean.

Pollen & AllergyLow Risk

Pollen counts remain in the comfortable range.

Driving SafetyOptimal

Dry pavement and clear visibility throughout.

Sun & Moon • Celestial Dynamics

Solar orbital arc trajectory and lunar cycle visibility

Astronomy Telemetry

Solar Day TrackDaylight Arc

Sunrise03:09 AM

Daylight ~13h

Sunset03:17 PM

Lunar Phase & StargazingNight Sky

Waxing Gibbous

80% Illumination

Stargazing condition: Optimal Visibility

Next Full Moon in ~5 daysTidal Currents Normal

Preguntas Frecuentes sobre el Clima - Sumter, South Carolina

The current weather in Sumter is around 89°F. Forecast models from NOAA and high-resolution satellite imagery provide 10-day trends and real-time precipitation radars updated every 15 minutes.

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