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Current weather in White Knoll is overcast clouds.

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Weather data for White Knoll is updated regularly with the latest available observations and forecasts.

Now · 10:50 AM

White Knoll Weather & Hourly Forecast

United States · South Carolina · 29073

79°F

Overcast

Feels like: 85°F

💧 Humidity 79% 🌡 Pressure 30.03 inHg 💨 Wind 4 mph 👁 Visibility 14.3 mi ☁ Clouds 98% ☀️ UV index 2.8 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for White Knoll

Today

11:00 AM

Overcast

79° 💧 0.001 in 💨 4 mph H 79%30.03 inHg

2:00 PM

Overcast

87° 💧 0.039 in 💨 5 mph H 58%30.00 inHg

5:00 PM

Light rain

80° 💧 0.027 in 💨 6 mph H 83%29.94 inHg

8:00 PM

Thunderstorms

74° 💧 0.247 in 💨 8 mph H 98%29.97 inHg

11:00 PM

Light rain

74° 💧 0.006 in 💨 4 mph H 98%30.03 inHg

Tomorrow

2:00 AM

Mostly clear night

73° 💧 0.000 in 💨 4 mph H 99%30.00 inHg

5:00 AM

Partly cloudy night

72° 💧 None 💨 4 mph H 99%29.97 inHg

8:00 AM

Overcast

73° 💧 0.001 in 💨 4 mph H 98%30.00 inHg

11:00 AM

Overcast

80° 💧 0.008 in 💨 4 mph H 79%30.03 inHg

2:00 PM

Light rain

87° 💧 0.009 in 💨 3 mph H 61%30.00 inHg

5:00 PM

Sunny

89° 💧 0.003 in 💨 3 mph H 58%29.94 inHg

8:00 PM

Mostly clear night

82° 💧 None 💨 3 mph H 75%29.94 inHg

11:00 PM

Clear night

78° 💧 None 💨 4 mph H 82%30.00 inHg

Monday

2:00 AM

Clear night

75° 💧 None 💨 5 mph H 88%29.97 inHg

5:00 AM

Clear night

73° 💧 None 💨 5 mph H 95%29.97 inHg

8:00 AM

Partly cloudy

76° 💧 None 💨 5 mph H 88%30.03 inHg

Today

11:00 AM

Overcast

79° 💧 0.000 in 💨 4 mph H 79%30.03 inHg

12:00 PM

Mostly cloudy

83° 💧 0.000 in 💨 4 mph H 69%30.03 inHg

1:00 PM

Overcast

86° 💧 0.000 in 💨 4 mph H 62%30.00 inHg

2:00 PM

Overcast

87° 💧 0.001 in 💨 5 mph H 58%30.00 inHg

3:00 PM

Mostly cloudy

86° 💧 0.001 in 💨 5 mph H 58%29.97 inHg

4:00 PM

Light thunderstorms

81° 💧 0.037 in 💨 8 mph H 77%29.94 inHg

5:00 PM

Light rain

80° 💧 0.026 in 💨 6 mph H 83%29.94 inHg

6:00 PM

Partly cloudy

82° 💧 0.001 in 💨 4 mph H 75%29.94 inHg

7:00 PM

Mostly cloudy

82° 💧 0.000 in 💨 5 mph H 77%29.94 inHg

8:00 PM

Thunderstorms

74° 💧 0.147 in 💨 8 mph H 98%29.97 inHg

9:00 PM

Light thunderstorms

74° 💧 0.082 in 💨 7 mph H 98%30.00 inHg

10:00 PM

Light rain

74° 💧 0.017 in 💨 4 mph H 98%30.00 inHg

11:00 PM

Light rain

74° 💧 0.005 in 💨 4 mph H 98%30.03 inHg

Tomorrow

12:00 AM

Partly cloudy night

73° 💧 0.000 in 💨 4 mph H 99%30.00 inHg

1:00 AM

Mostly clear night

73° 💧 0.000 in 💨 4 mph H 98%30.00 inHg

2:00 AM

Mostly clear night

73° 💧 0.000 in 💨 4 mph H 99%30.00 inHg

3:00 AM

Mostly clear night

73° 💧 None 💨 4 mph H 99%29.97 inHg

4:00 AM

Mostly clear night

73° 💧 None 💨 4 mph H 99%29.97 inHg

5:00 AM

Partly cloudy night

72° 💧 None 💨 4 mph H 99%29.97 inHg

6:00 AM

Mostly cloudy night

72° 💧 None 💨 4 mph H 99%30.00 inHg

7:00 AM

Overcast night

72° 💧 None 💨 4 mph H 99%30.00 inHg

8:00 AM

Overcast

73° 💧 None 💨 4 mph H 98%30.00 inHg

9:00 AM

Overcast

75° 💧 0.000 in 💨 5 mph H 93%30.03 inHg

10:00 AM

Overcast

78° 💧 0.001 in 💨 5 mph H 87%30.03 inHg

11:00 AM

Overcast

80° 💧 0.002 in 💨 4 mph H 79%30.03 inHg

12:00 PM

Overcast

83° 💧 0.002 in 💨 4 mph H 72%30.03 inHg

1:00 PM

Light rain

85° 💧 0.005 in 💨 3 mph H 67%30.00 inHg

2:00 PM

Light rain

87° 💧 0.004 in 💨 3 mph H 61%30.00 inHg

3:00 PM

Mostly sunny

88° 💧 0.004 in 💨 3 mph H 59%29.97 inHg

4:00 PM

Mostly sunny

89° 💧 0.001 in 💨 3 mph H 57%29.94 inHg

5:00 PM

Sunny

89° 💧 0.002 in 💨 3 mph H 58%29.94 inHg

6:00 PM

Sunny

88° 💧 0.001 in 💨 2 mph H 58%29.91 inHg

7:00 PM

Mostly sunny

86° 💧 0.000 in 💨 1 mph H 69%29.91 inHg

8:00 PM

Mostly clear night

82° 💧 None 💨 3 mph H 75%29.94 inHg

9:00 PM

Mostly clear night

81° 💧 None 💨 3 mph H 78%29.97 inHg

10:00 PM

Mostly clear night

80° 💧 None 💨 4 mph H 80%30.00 inHg

11:00 PM

Clear night

78° 💧 None 💨 4 mph H 82%30.00 inHg

Monday

12:00 AM

Clear night

77° 💧 None 💨 5 mph H 84%30.00 inHg

1:00 AM

Clear night

76° 💧 None 💨 4 mph H 86%30.00 inHg

2:00 AM

Clear night

75° 💧 None 💨 5 mph H 88%29.97 inHg

3:00 AM

Clear night

74° 💧 None 💨 5 mph H 91%29.97 inHg

4:00 AM

Clear night

73° 💧 None 💨 5 mph H 93%29.97 inHg

5:00 AM

Clear night

73° 💧 None 💨 5 mph H 95%29.97 inHg

6:00 AM

Clear night

73° 💧 None 💨 5 mph H 94%30.00 inHg

7:00 AM

Clear night

73° 💧 None 💨 4 mph H 92%30.00 inHg

8:00 AM

Partly cloudy

76° 💧 None 💨 5 mph H 88%30.03 inHg

9:00 AM

Partly cloudy

80° 💧 None 💨 5 mph H 80%30.06 inHg

10:00 AM

Sunny

83° 💧 None 💨 4 mph H 73%30.06 inHg

11:00 AM

Sunny

86° 💧 None 💨 4 mph H 66%30.06 inHg

12:00 PM

Sunny

89° 💧 None 💨 5 mph H 57%30.06 inHg

1:00 PM

Mostly sunny

91° 💧 0.001 in 💨 6 mph H 51%30.03 inHg

2:00 PM

Sunny

92° 💧 0.000 in 💨 6 mph H 48%30.00 inHg

3:00 PM

Sunny

93° 💧 None 💨 5 mph H 46%29.97 inHg

4:00 PM

Sunny

93° 💧 None 💨 5 mph H 44%29.97 inHg

5:00 PM

Mostly sunny

93° 💧 None 💨 4 mph H 44%29.97 inHg

6:00 PM

Sunny

92° 💧 None 💨 4 mph H 46%29.97 inHg

7:00 PM

Mostly sunny

88° 💧 None 💨 3 mph H 57%30.00 inHg

8:00 PM

Partly cloudy night

85° 💧 None 💨 4 mph H 62%30.00 inHg

Tuesday

5:00 AM

Mostly clear night

76° 💧 None 💨 8 mph H 87%30.12 inHg

8:00 AM

Mostly cloudy

76° 💧 None 💨 9 mph H 86%30.21 inHg

11:00 AM

Mostly cloudy

80° 💧 None 💨 8 mph H 66%30.27 inHg

2:00 PM

Mostly cloudy

85° 💧 None 💨 7 mph H 52%30.21 inHg

5:00 PM

Sunny

86° 💧 None 💨 7 mph H 47%30.18 inHg

8:00 PM

Clear night

80° 💧 None 💨 6 mph H 55%30.18 inHg

11:00 PM

Overcast night

76° 💧 None 💨 6 mph H 63%30.27 inHg

Wednesday

2:00 AM

Clear night

71° 💧 None 💨 6 mph H 70%30.27 inHg

5:00 AM

Mostly clear night

68° 💧 None 💨 5 mph H 75%30.27 inHg

8:00 AM

Sunny

67° 💧 None 💨 5 mph H 78%30.33 inHg

11:00 AM

Partly cloudy

77° 💧 None 💨 7 mph H 52%30.33 inHg

2:00 PM

Mostly sunny

84° 💧 None 💨 7 mph H 36%30.27 inHg

5:00 PM

Sunny

86° 💧 None 💨 7 mph H 32%30.21 inHg

8:00 PM

Mostly clear night

79° 💧 None 💨 6 mph H 48%30.21 inHg

11:00 PM

Clear night

75° 💧 None 💨 5 mph H 57%30.27 inHg

Thursday

2:00 AM

Clear night

70° 💧 None 💨 3 mph H 74%30.24 inHg

5:00 AM

Clear night

68° 💧 None 💨 3 mph H 84%30.24 inHg

8:00 AM

Sunny

68° 💧 None 💨 4 mph H 83%30.27 inHg

11:00 AM

Sunny

78° 💧 None 💨 6 mph H 54%30.27 inHg

2:00 PM

Sunny

85° 💧 None 💨 6 mph H 38%30.21 inHg

5:00 PM

Sunny

88° 💧 None 💨 8 mph H 30%30.12 inHg

8:00 PM

Clear night

81° 💧 None 💨 6 mph H 37%30.12 inHg

11:00 PM

Mostly clear night

75° 💧 None 💨 4 mph H 52%30.18 inHg

Friday

2:00 AM

Mostly clear night

72° 💧 None 💨 3 mph H 65%30.15 inHg

8:00 AM

Sunny

77° 💧 None 💨 5 mph H 77%30.18 inHg

2:00 PM

Mostly cloudy

73° 💧 None 💨 5 mph H 88%30.18 inHg

8:00 PM

Mostly clear night

88° 💧 None 💨 5 mph H 56%30.12 inHg

Saturday

2:00 AM

Light rain

76° 💧 None 💨 1 mph H 95%30.06 inHg

8:00 AM

Overcast

74° 💧 None 💨 2 mph H 98%30.06 inHg

2:00 PM

Mostly cloudy

74° 💧 None 💨 3 mph H 96%30.06 inHg

8:00 PM

Mostly clear night

86° 💧 None 💨 2 mph H 62%29.97 inHg

Sunday

2:00 AM

Light rain

80° 💧 None 💨 2 mph H 87%29.91 inHg

8:00 AM

Partly cloudy

73° 💧 None 💨 6 mph H 97%29.91 inHg

2:00 PM

Mostly sunny

73° 💧 None 💨 6 mph H 96%29.88 inHg

8:00 PM

Mostly cloudy night

86° 💧 None 💨 6 mph H 61%29.83 inHg

Monday

2:00 AM

Light thunderstorms

76° 💧 None 💨 5 mph H 94%29.83 inHg

8:00 AM

Light rain

72° 💧 None 💨 4 mph H 97%29.85 inHg

2:00 PM

Overcast

72° 💧 None 💨 5 mph H 96%29.88 inHg

8:00 PM

Light rain

80° 💧 None 💨 5 mph H 75%29.85 inHg

Tuesday

2:00 AM

Moderate rain

72° 💧 None 💨 10 mph H 98%29.88 inHg

8:00 AM

Moderate rain

70° 💧 None 💨 7 mph H 98%29.91 inHg

2:00 PM

Light rain

71° 💧 None 💨 5 mph H 100%29.88 inHg

8:00 PM

Moderate rain

76° 💧 None 💨 4 mph H 89%29.91 inHg

Wednesday

2:00 AM

Overcast night

70° 💧 None 💨 10 mph H 98%29.94 inHg

8:00 AM

Overcast

69° 💧 None 💨 7 mph H 96%29.97 inHg

2:00 PM

Overcast

70° 💧 None 💨 6 mph H 94%30.03 inHg

8:00 PM

Light rain

80° 💧 None 💨 2 mph H 76%30.03 inHg

Thursday

2:00 AM

Light rain

73° 💧 None 💨 4 mph H 97%30.06 inHg

8:00 AM

Light rain

73° 💧 None 💨 5 mph H 98%30.06 inHg

2:00 PM

Moderate rain

71° 💧 None 💨 6 mph H 98%30.09 inHg

8:00 PM

Light rain

76° 💧 None 💨 6 mph H 88%30.12 inHg

Friday

2:00 AM

Light rain

73° 💧 None 💨 9 mph H 88%30.12 inHg

8:00 AM

Overcast

69° 💧 None 💨 7 mph H 92%30.12 inHg

2:00 PM

Light rain

69° 💧 None 💨 9 mph H 91%30.12 inHg

8:00 PM

Light rain

75° 💧 None 💨 8 mph H 75%30.09 inHg

Saturday

2:00 AM

Overcast night

70° 💧 None 💨 9 mph H 84%30.06 inHg

8:00 AM

Overcast

67° 💧 None 💨 7 mph H 88%30.06 inHg

2:00 PM

Overcast

66° 💧 None 💨 8 mph H 88%30.03 inHg

8:00 PM

Overcast night

73° 💧 None 💨 7 mph H 72%29.97 inHg

Sunday

2:00 AM

Overcast night

70° 💧 None 💨 4 mph H 82%29.94 inHg

In White Knoll and, more broadly, across the state of South Carolina: Expect mostly cloudy skies through the afternoon with temperatures ranging from the mid-70s to low 80s. A slight chance of rain remains, with possible accumulation around 0.01 inches, and the highest probability of precipitation is about 50%. Winds will be light from the south, reaching up to 9 mph, with occasional gusts up to 22 mph. Overall, it will feel warm and mild, but keep an umbrella handy just in case of a brief shower. Conditions may vary slightly later in the day, but no significant weather changes are expected.

15-Day Weather Outlook for White Knoll

TomorrowTomorrow

Thunderstorms 89°/72° 💧 None 💨 8 mph

Monday, Sep 14Mon Sep 14

Mostly sunny 93°/73° 💧 None 💨 6 mph

Tuesday, Sep 15Tue Sep 15

Mostly cloudy 86°/76° 💧 0.465 in 💨 9 mph

Wednesday, Sep 16Wed Sep 16

Overcast 86°/67° 💧 None 💨 7 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 88°/68° 💧 0.000 in 💨 8 mph

Friday, Sep 18Fri Sep 18

Mostly sunny 81°/72° 💧 None 💨 6 mph

Saturday, Sep 19Sat Sep 19

Light rain 88°/74° 💧 0.251 in 💨 5 mph

Sunday, Sep 20Sun Sep 20

Light rain 86°/73° 💧 0.211 in 💨 6 mph

Monday, Sep 21Mon Sep 21

Light thunderstorms 86°/72° 💧 0.290 in 💨 6 mph

Tuesday, Sep 22Tue Sep 22

Moderate rain 80°/70° 💧 1.760 in 💨 10 mph

Wednesday, Sep 23Wed Sep 23

Moderate rain 76°/69° 💧 0.881 in 💨 10 mph

Thursday, Sep 24Thu Sep 24

Moderate rain 80°/71° 💧 0.580 in 💨 6 mph

Friday, Sep 25Fri Sep 25

Light rain 76°/69° 💧 0.255 in 💨 9 mph

Saturday, Sep 26Sat Sep 26

Light rain 75°/66° 💧 0.055 in 💨 9 mph

Sunday, Sep 27Sun Sep 27

Overcast 73°/70° 💧 0.002 in 💨 7 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in White Knoll

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for White Knoll

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 11:00 AM

PM2.5 Fine particles Good 1,8µg/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 2,2µg/m³

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

O₃ Ozone Good 19,5µg/m³

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

NO₂ Nitrogen dioxide Good 1,4µg/m³

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

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in White Knoll

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 6,4High 😊Good

Tomorrow UV 8,2Very high 🙂Fair

Monday UV 8,2Very high 🙂Fair

Tuesday UV 8,0Very high 🙂Fair

Wednesday UV 8,0Very high 🙂Fair

Thursday UV 8,0Very high —Unavailable

Friday UV 6,0High —Unavailable

Hourly UV index today

11:00 AMUV 5,0 12:00 PMUV 6,4 1:00 PMUV 3,2 2:00 PMUV 4,9 3:00 PMUV 1,1 4:00 PMUV 1,3 5:00 PMUV 2,3 6:00 PMUV 0,9 7:00 PMUV 0,1

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

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Stay hydrated

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

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for White Knoll

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · WHITE KNOLL, SOUTH CAROLINA

Tonight's Stargazing & Shooting Stars

Good observing conditions. Best local viewing window: 3:00 AM–4:00 AM.

76/100Best-hour score

BEST TIME TONIGHT 3:00 AM–4:00 AM Astronomical darkness: 9:00 PM–5:42 AM

☁ Cloud cover 24% Real hourly forecast for the best viewing hour.

☾ Moonlight 2% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 64° high at the best hour.

✦ Estimated visible meteors 1–3/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min68%

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 White Knoll were last refreshed today at 10:49 AM. The current forecast period extends through 14/09/2026 at 8:00 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.