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Now · 12:20 PM

Smyrna Weather & Hourly Forecast

United States · South Carolina · 29743

87°F

Sunny

Feels like: 89°F

💧 Humidity 49% 🌡 Pressure 30.09 inHg 💨 Wind 7 mph 👁 Visibility 25.8 mi ☁ Clouds 0% ☀️ UV index 7.1 · High 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Smyrna

Today

1:00 PM

Sunny

90° 💧 None 💨 7 mph H 42%30.06 inHg

4:00 PM

Sunny

93° 💧 None 💨 5 mph H 33%29.94 inHg

7:00 PM

Sunny

87° 💧 None 💨 4 mph H 44%29.91 inHg

10:00 PM

Clear night

79° 💧 None 💨 7 mph H 53%29.97 inHg

Tomorrow

1:00 AM

Clear night

75° 💧 None 💨 7 mph H 75%29.97 inHg

4:00 AM

Clear night

73° 💧 None 💨 6 mph H 92%29.94 inHg

7:00 AM

Clear night

71° 💧 None 💨 4 mph H 95%29.97 inHg

10:00 AM

Sunny

82° 💧 None 💨 3 mph H 69%29.97 inHg

1:00 PM

Sunny

93° 💧 0.002 in 💨 2 mph H 38%29.94 inHg

4:00 PM

Sunny

94° 💧 0.000 in 💨 5 mph H 33%29.85 inHg

7:00 PM

Mostly cloudy

86° 💧 0.003 in 💨 12 mph H 51%29.88 inHg

10:00 PM

Clear night

77° 💧 None 💨 5 mph H 81%29.94 inHg

Saturday

1:00 AM

Mostly cloudy night

75° 💧 None 💨 0 mph H 93%29.97 inHg

4:00 AM

Partly cloudy night

73° 💧 None 💨 3 mph H 99%29.97 inHg

7:00 AM

Overcast night

72° 💧 0.001 in 💨 1 mph H 100%30.03 inHg

10:00 AM

Mostly cloudy

80° 💧 0.003 in 💨 1 mph H 74%30.03 inHg

Today

1:00 PM

Sunny

90° 💧 None 💨 7 mph H 42%30.06 inHg

2:00 PM

Sunny

91° 💧 None 💨 6 mph H 38%30.00 inHg

3:00 PM

Sunny

92° 💧 None 💨 5 mph H 35%29.97 inHg

4:00 PM

Sunny

93° 💧 None 💨 5 mph H 33%29.94 inHg

5:00 PM

Mostly sunny

93° 💧 None 💨 5 mph H 32%29.94 inHg

6:00 PM

Sunny

91° 💧 None 💨 4 mph H 33%29.91 inHg

7:00 PM

Sunny

87° 💧 None 💨 4 mph H 44%29.91 inHg

8:00 PM

Clear night

82° 💧 None 💨 7 mph H 49%29.91 inHg

9:00 PM

Clear night

81° 💧 None 💨 8 mph H 50%29.94 inHg

10:00 PM

Clear night

79° 💧 None 💨 7 mph H 53%29.97 inHg

11:00 PM

Clear night

77° 💧 None 💨 6 mph H 58%29.97 inHg

Tomorrow

12:00 AM

Clear night

76° 💧 None 💨 7 mph H 63%29.97 inHg

1:00 AM

Clear night

75° 💧 None 💨 7 mph H 75%29.97 inHg

2:00 AM

Partly cloudy night

74° 💧 None 💨 6 mph H 85%29.94 inHg

3:00 AM

Clear night

73° 💧 None 💨 6 mph H 89%29.94 inHg

4:00 AM

Clear night

73° 💧 None 💨 6 mph H 92%29.94 inHg

5:00 AM

Clear night

72° 💧 None 💨 5 mph H 93%29.94 inHg

6:00 AM

Clear night

72° 💧 None 💨 5 mph H 94%29.94 inHg

7:00 AM

Clear night

71° 💧 None 💨 4 mph H 95%29.97 inHg

8:00 AM

Sunny

73° 💧 None 💨 4 mph H 90%29.97 inHg

9:00 AM

Sunny

77° 💧 None 💨 4 mph H 79%29.97 inHg

10:00 AM

Sunny

82° 💧 None 💨 3 mph H 69%29.97 inHg

11:00 AM

Sunny

87° 💧 None 💨 3 mph H 57%29.97 inHg

12:00 PM

Sunny

90° 💧 None 💨 1 mph H 45%29.97 inHg

1:00 PM

Sunny

93° 💧 0.000 in 💨 2 mph H 38%29.94 inHg

2:00 PM

Mostly sunny

94° 💧 0.001 in 💨 4 mph H 35%29.91 inHg

3:00 PM

Sunny

94° 💧 0.001 in 💨 5 mph H 33%29.91 inHg

4:00 PM

Sunny

94° 💧 None 💨 5 mph H 33%29.85 inHg

5:00 PM

Sunny

94° 💧 None 💨 3 mph H 32%29.85 inHg

6:00 PM

Partly cloudy

93° 💧 0.000 in 💨 3 mph H 34%29.85 inHg

7:00 PM

Mostly cloudy

86° 💧 0.003 in 💨 12 mph H 51%29.88 inHg

8:00 PM

Mostly cloudy night

81° 💧 0.001 in 💨 9 mph H 69%29.91 inHg

9:00 PM

Partly cloudy night

79° 💧 None 💨 6 mph H 75%29.94 inHg

10:00 PM

Clear night

77° 💧 None 💨 5 mph H 81%29.94 inHg

11:00 PM

Clear night

76° 💧 None 💨 4 mph H 87%29.97 inHg

Saturday

12:00 AM

Mostly cloudy night

75° 💧 None 💨 2 mph H 92%29.97 inHg

1:00 AM

Mostly cloudy night

75° 💧 None 💨 0 mph H 93%29.97 inHg

2:00 AM

Mostly clear night

74° 💧 None 💨 1 mph H 94%29.97 inHg

3:00 AM

Partly cloudy night

73° 💧 None 💨 3 mph H 97%29.97 inHg

4:00 AM

Partly cloudy night

73° 💧 None 💨 3 mph H 99%29.97 inHg

5:00 AM

Mostly cloudy night

73° 💧 None 💨 4 mph H 99%29.97 inHg

6:00 AM

Overcast night

72° 💧 None 💨 2 mph H 100%30.00 inHg

7:00 AM

Overcast night

72° 💧 None 💨 1 mph H 100%30.03 inHg

8:00 AM

Mist

73° 💧 None 💨 2 mph H 98%30.03 inHg

9:00 AM

Overcast

77° 💧 0.001 in 💨 2 mph H 87%30.03 inHg

10:00 AM

Mostly cloudy

80° 💧 0.000 in 💨 1 mph H 74%30.03 inHg

11:00 AM

Mostly cloudy

83° 💧 0.000 in 💨 3 mph H 68%30.03 inHg

12:00 PM

Light thunderstorms

86° 💧 0.002 in 💨 3 mph H 63%30.03 inHg

1:00 PM

Strong thunderstorm

88° 💧 0.001 in 💨 5 mph H 56%30.00 inHg

2:00 PM

Overcast

89° 💧 0.000 in 💨 6 mph H 52%29.97 inHg

3:00 PM

Light thunderstorms

84° 💧 0.014 in 💨 8 mph H 63%29.97 inHg

4:00 PM

Light thunderstorms

80° 💧 0.048 in 💨 6 mph H 81%29.97 inHg

5:00 PM

Light rain

82° 💧 0.004 in 💨 5 mph H 75%29.97 inHg

6:00 PM

Mostly cloudy

82° 💧 0.002 in 💨 4 mph H 74%29.97 inHg

7:00 PM

Overcast

81° 💧 0.002 in 💨 4 mph H 77%29.97 inHg

8:00 PM

Light thunderstorms

75° 💧 0.025 in 💨 6 mph H 93%30.00 inHg

Sunday

5:00 AM

Mostly cloudy night

72° 💧 None 💨 1 mph H 99%30.03 inHg

8:00 AM

Mostly sunny

72° 💧 None 💨 3 mph H 99%30.06 inHg

11:00 AM

Mostly cloudy

81° 💧 None 💨 4 mph H 77%30.06 inHg

2:00 PM

Partly cloudy

88° 💧 None 💨 2 mph H 57%30.00 inHg

5:00 PM

Light rain

88° 💧 None 💨 2 mph H 54%29.94 inHg

8:00 PM

Overcast night

79° 💧 None 💨 4 mph H 83%30.00 inHg

11:00 PM

Mostly clear night

76° 💧 None 💨 3 mph H 92%30.06 inHg

Monday

2:00 AM

Clear night

74° 💧 None 💨 3 mph H 98%30.03 inHg

5:00 AM

Mostly clear night

73° 💧 None 💨 3 mph H 97%30.00 inHg

8:00 AM

Sunny

74° 💧 None 💨 2 mph H 95%30.06 inHg

11:00 AM

Sunny

86° 💧 None 💨 2 mph H 63%30.09 inHg

2:00 PM

Mostly sunny

92° 💧 None 💨 3 mph H 45%30.03 inHg

5:00 PM

Sunny

93° 💧 None 💨 3 mph H 41%29.97 inHg

8:00 PM

Clear night

83° 💧 None 💨 0 mph H 62%30.00 inHg

11:00 PM

Clear night

78° 💧 None 💨 3 mph H 71%30.06 inHg

Tuesday

2:00 AM

Clear night

75° 💧 None 💨 2 mph H 76%30.06 inHg

5:00 AM

Clear night

73° 💧 None 💨 5 mph H 83%30.09 inHg

8:00 AM

Sunny

75° 💧 None 💨 7 mph H 84%30.18 inHg

11:00 AM

Sunny

85° 💧 None 💨 5 mph H 64%30.21 inHg

2:00 PM

Mostly sunny

92° 💧 None 💨 4 mph H 52%30.15 inHg

5:00 PM

Mostly sunny

86° 💧 None 💨 4 mph H 68%30.12 inHg

8:00 PM

Mostly clear night

81° 💧 None 💨 4 mph H 79%30.15 inHg

11:00 PM

Mostly clear night

77° 💧 None 💨 3 mph H 92%30.21 inHg

Wednesday

2:00 AM

Overcast night

75° 💧 None 💨 3 mph H 94%30.21 inHg

8:00 AM

Overcast

74° 💧 None 💨 2 mph H 73%30.27 inHg

2:00 PM

Partly cloudy

71° 💧 None 💨 3 mph H 82%30.27 inHg

8:00 PM

Mostly clear night

84° 💧 None 💨 5 mph H 55%30.24 inHg

Thursday

2:00 AM

Clear night

79° 💧 None 💨 6 mph H 51%30.15 inHg

8:00 AM

Sunny

69° 💧 None 💨 2 mph H 79%30.21 inHg

2:00 PM

Sunny

67° 💧 None 💨 4 mph H 82%30.18 inHg

8:00 PM

Clear night

88° 💧 None 💨 3 mph H 37%30.12 inHg

Friday

2:00 AM

Clear night

77° 💧 None 💨 5 mph H 48%30.00 inHg

8:00 AM

Sunny

69° 💧 None 💨 3 mph H 69%30.03 inHg

2:00 PM

Mostly cloudy

68° 💧 None 💨 4 mph H 74%30.00 inHg

8:00 PM

Mostly cloudy night

91° 💧 None 💨 3 mph H 37%29.94 inHg

Saturday

2:00 AM

Overcast night

79° 💧 None 💨 10 mph H 76%29.94 inHg

8:00 AM

Overcast

73° 💧 None 💨 10 mph H 80%29.97 inHg

2:00 PM

Overcast

68° 💧 None 💨 9 mph H 71%30.03 inHg

8:00 PM

Light rain

71° 💧 None 💨 12 mph H 76%30.03 inHg

Sunday

2:00 AM

Heavy rain

65° 💧 None 💨 9 mph H 98%30.03 inHg

8:00 AM

Light rain

64° 💧 None 💨 9 mph H 97%30.03 inHg

2:00 PM

Light rain

63° 💧 None 💨 10 mph H 98%30.06 inHg

8:00 PM

Light rain

70° 💧 None 💨 10 mph H 76%30.06 inHg

Monday

2:00 AM

Mostly cloudy night

68° 💧 None 💨 9 mph H 78%30.03 inHg

8:00 AM

Partly cloudy

62° 💧 None 💨 10 mph H 95%30.09 inHg

2:00 PM

Partly cloudy

62° 💧 None 💨 10 mph H 76%30.12 inHg

8:00 PM

Clear night

73° 💧 None 💨 10 mph H 47%30.12 inHg

Tuesday

2:00 AM

Mostly cloudy night

67° 💧 None 💨 8 mph H 58%30.09 inHg

8:00 AM

Overcast

64° 💧 None 💨 8 mph H 57%30.12 inHg

2:00 PM

Overcast

65° 💧 None 💨 9 mph H 64%30.18 inHg

8:00 PM

Overcast night

70° 💧 None 💨 9 mph H 62%30.15 inHg

Wednesday

2:00 AM

Overcast night

68° 💧 None 💨 8 mph H 74%30.12 inHg

8:00 AM

Overcast

66° 💧 None 💨 6 mph H 83%30.12 inHg

2:00 PM

Overcast

67° 💧 None 💨 7 mph H 86%30.12 inHg

8:00 PM

Overcast night

72° 💧 None 💨 7 mph H 74%30.09 inHg

Thursday

2:00 AM

Mostly clear night

70° 💧 None 💨 1 mph H 83%30.03 inHg

8:00 AM

Mostly cloudy

64° 💧 None 💨 3 mph H 95%30.00 inHg

2:00 PM

Partly cloudy

64° 💧 None 💨 4 mph H 95%30.03 inHg

8:00 PM

Overcast night

83° 💧 None 💨 4 mph H 50%30.00 inHg

Friday

2:00 AM

Overcast night

73° 💧 None 💨 4 mph H 74%30.00 inHg

In Smyrna and, more broadly, across the state of South Carolina: The rest of the day will feature a mix of sun and clouds, with temperatures remaining hot, ranging from 81 to 86 degrees Fahrenheit. Winds will be light from the south, averaging up to 9 mph, with occasional gusts reaching 18 mph. No rain is expected, so outdoor activities can continue without interruption. As the day progresses, conditions will stay warm and generally dry, making for a typical summer afternoon. The breeze should provide some relief from the heat, but it will stay comfortably manageable. Overall, expect a warm and partly cloudy afternoon with light winds and no precipitation.

15-Day Weather Outlook for Smyrna

TomorrowTomorrow

Partly cloudy 94°/71° 💧 None 💨 12 mph

Saturday, Sep 12Sat Sep 12

Light thunderstorms 89°/72° 💧 None 💨 9 mph

Sunday, Sep 13Sun Sep 13

Light thunderstorms 88°/72° 💧 0.303 in 💨 6 mph

Monday, Sep 14Mon Sep 14

Mostly sunny 93°/73° 💧 0.019 in 💨 4 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 92°/73° 💧 0.055 in 💨 7 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 81°/71° 💧 0.180 in 💨 4 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 84°/67° 💧 None 💨 6 mph

Friday, Sep 18Fri Sep 18

Mostly cloudy 88°/68° 💧 None 💨 5 mph

Saturday, Sep 19Sat Sep 19

Mostly cloudy 91°/68° 💧 0.001 in 💨 10 mph

Sunday, Sep 20Sun Sep 20

Heavy rain 71°/63° 💧 0.983 in 💨 12 mph

Monday, Sep 21Mon Sep 21

Light rain 70°/62° 💧 0.643 in 💨 10 mph

Tuesday, Sep 22Tue Sep 22

Mostly cloudy 73°/64° 💧 None 💨 10 mph

Wednesday, Sep 23Wed Sep 23

Overcast 70°/66° 💧 0.001 in 💨 9 mph

Thursday, Sep 24Thu Sep 24

Overcast 72°/64° 💧 0.005 in 💨 7 mph

Friday, Sep 25Fri Sep 25

Overcast 83°/73° 💧 None 💨 4 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Smyrna

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Smyrna

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 1:00 PM

PM2.5 Fine particles Good 2,2µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 3,7µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 80,6µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 0,5µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Smyrna

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 8,3Very high 🙂Fair

Tomorrow UV 7,9High 🙂Fair

Saturday UV 8,2Very high 😊Good

Sunday UV 8,1Very high 😊Good

Monday UV 8,0Very high 😊Good

Tuesday UV 7,0High —Unavailable

Wednesday UV 8,0Very high —Unavailable

Hourly UV index today

1:00 PMUV 8,3 2:00 PMUV 8,3 3:00 PMUV 6,9 4:00 PMUV 4,7 5:00 PMUV 2,4 6:00 PMUV 0,8 7:00 PMUV 0,2

Today's weather health advice Open today's recommendations.

Very high UV risk

Use SPF 50+ sunscreen, a hat and sunglasses. Seek shade and limit exposure around midday.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure.

Best in the morning or late in the day

For walking, running or cycling, prefer the early morning or late afternoon.

WIND OUTLOOK

Hourly Wind Forecast for Smyrna

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · SMYRNA, SOUTH CAROLINA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

96/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 9:06 PM–5:39 AM

☁ Cloud cover 0% Real hourly forecast for the best viewing hour.

☾ Moonlight 0% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 84° high at the best hour.

✦ Estimated visible meteors 2–5/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min80%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for Smyrna were last refreshed today at 12:20 PM. The current forecast period extends through 12/09/2026 at 10:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.