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Current weather in Santee is scattered clouds.

Where can I find the hourly weather forecast for Santee?

This page shows hourly weather forecast for Santee, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Santee updated regularly?

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

Now · 3:36 PM

Santee Weather & Hourly Forecast

United States · South Carolina · 29142

86°F

Partly cloudy

Feels like: 85°F

💧 Humidity 38% 🌡 Pressure 30.27 inHg 💨 Wind 5 mph 👁 Visibility 31.5 mi ☁ Clouds 40% ☀️ UV index 6.6 · High 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Santee

Today

4:00 PM

Partly cloudy

86° 💧 None 💨 5 mph H 38%30.27 inHg

7:00 PM

Mostly sunny

81° 💧 None 💨 4 mph H 53%30.24 inHg

10:00 PM

Mostly clear night

76° 💧 None 💨 5 mph H 79%30.30 inHg

Tomorrow

1:00 AM

Mostly cloudy night

74° 💧 None 💨 1 mph H 80%30.30 inHg

4:00 AM

Fog at night

71° 💧 None 💨 2 mph H 90%30.24 inHg

7:00 AM

Clear night

70° 💧 None 💨 2 mph H 90%30.27 inHg

10:00 AM

Sunny

78° 💧 None 💨 4 mph H 67%30.27 inHg

1:00 PM

Sunny

84° 💧 None 💨 3 mph H 49%30.24 inHg

4:00 PM

Sunny

86° 💧 None 💨 4 mph H 47%30.18 inHg

7:00 PM

Sunny

82° 💧 None 💨 2 mph H 60%30.15 inHg

10:00 PM

Clear night

77° 💧 None 💨 6 mph H 72%30.18 inHg

Friday

1:00 AM

Clear night

72° 💧 None 💨 3 mph H 83%30.15 inHg

4:00 AM

Clear night

70° 💧 None 💨 3 mph H 89%30.12 inHg

7:00 AM

Clear night

69° 💧 None 💨 3 mph H 92%30.12 inHg

10:00 AM

Sunny

80° 💧 None 💨 3 mph H 66%30.15 inHg

1:00 PM

Sunny

89° 💧 None 💨 1 mph H 43%30.09 inHg

Today

4:00 PM

Partly cloudy

86° 💧 None 💨 5 mph H 38%30.27 inHg

5:00 PM

Mostly sunny

86° 💧 None 💨 4 mph H 39%30.24 inHg

6:00 PM

Partly cloudy

84° 💧 None 💨 3 mph H 44%30.24 inHg

7:00 PM

Mostly sunny

81° 💧 None 💨 4 mph H 53%30.24 inHg

8:00 PM

Clear night

78° 💧 None 💨 6 mph H 58%30.24 inHg

9:00 PM

Mostly clear night

77° 💧 None 💨 6 mph H 70%30.27 inHg

10:00 PM

Mostly clear night

76° 💧 None 💨 5 mph H 79%30.30 inHg

11:00 PM

Partly cloudy night

75° 💧 None 💨 3 mph H 82%30.30 inHg

Tomorrow

12:00 AM

Mostly cloudy night

74° 💧 None 💨 2 mph H 81%30.30 inHg

1:00 AM

Mostly cloudy night

74° 💧 None 💨 1 mph H 80%30.30 inHg

2:00 AM

Partly cloudy night

73° 💧 None 💨 0 mph H 82%30.27 inHg

3:00 AM

Partly cloudy night

72° 💧 None 💨 1 mph H 85%30.24 inHg

4:00 AM

Fog at night

71° 💧 None 💨 2 mph H 90%30.24 inHg

5:00 AM

Mostly cloudy night

71° 💧 None 💨 2 mph H 92%30.24 inHg

6:00 AM

Partly cloudy night

70° 💧 None 💨 3 mph H 90%30.27 inHg

7:00 AM

Clear night

70° 💧 None 💨 2 mph H 90%30.27 inHg

8:00 AM

Sunny

71° 💧 None 💨 4 mph H 88%30.27 inHg

9:00 AM

Sunny

74° 💧 None 💨 4 mph H 78%30.27 inHg

10:00 AM

Sunny

78° 💧 None 💨 4 mph H 67%30.27 inHg

11:00 AM

Sunny

80° 💧 None 💨 5 mph H 58%30.27 inHg

12:00 PM

Sunny

82° 💧 None 💨 4 mph H 53%30.27 inHg

1:00 PM

Sunny

84° 💧 None 💨 3 mph H 49%30.24 inHg

2:00 PM

Sunny

85° 💧 None 💨 2 mph H 47%30.21 inHg

3:00 PM

Sunny

86° 💧 None 💨 3 mph H 47%30.18 inHg

4:00 PM

Sunny

86° 💧 None 💨 4 mph H 47%30.18 inHg

5:00 PM

Sunny

85° 💧 None 💨 4 mph H 46%30.15 inHg

6:00 PM

Sunny

85° 💧 None 💨 2 mph H 47%30.15 inHg

7:00 PM

Sunny

82° 💧 None 💨 2 mph H 60%30.15 inHg

8:00 PM

Clear night

79° 💧 None 💨 2 mph H 65%30.15 inHg

9:00 PM

Clear night

78° 💧 None 💨 2 mph H 71%30.15 inHg

10:00 PM

Clear night

77° 💧 None 💨 6 mph H 72%30.18 inHg

11:00 PM

Clear night

74° 💧 None 💨 5 mph H 77%30.18 inHg

Friday

12:00 AM

Clear night

73° 💧 None 💨 4 mph H 80%30.18 inHg

1:00 AM

Clear night

72° 💧 None 💨 3 mph H 83%30.15 inHg

2:00 AM

Clear night

71° 💧 None 💨 3 mph H 86%30.15 inHg

3:00 AM

Clear night

71° 💧 None 💨 3 mph H 88%30.12 inHg

4:00 AM

Clear night

70° 💧 None 💨 3 mph H 89%30.12 inHg

5:00 AM

Clear night

70° 💧 None 💨 3 mph H 90%30.12 inHg

6:00 AM

Clear night

70° 💧 None 💨 3 mph H 91%30.12 inHg

7:00 AM

Clear night

69° 💧 None 💨 3 mph H 92%30.12 inHg

8:00 AM

Sunny

71° 💧 None 💨 4 mph H 86%30.12 inHg

9:00 AM

Sunny

75° 💧 None 💨 3 mph H 77%30.15 inHg

10:00 AM

Sunny

80° 💧 None 💨 3 mph H 66%30.15 inHg

11:00 AM

Sunny

84° 💧 None 💨 3 mph H 55%30.15 inHg

12:00 PM

Sunny

87° 💧 None 💨 2 mph H 48%30.12 inHg

1:00 PM

Sunny

89° 💧 None 💨 1 mph H 43%30.09 inHg

2:00 PM

Sunny

91° 💧 None 💨 1 mph H 42%30.06 inHg

3:00 PM

Sunny

92° 💧 None 💨 2 mph H 42%30.03 inHg

4:00 PM

Sunny

92° 💧 None 💨 2 mph H 42%30.00 inHg

5:00 PM

Sunny

92° 💧 None 💨 3 mph H 43%29.97 inHg

6:00 PM

Sunny

91° 💧 None 💨 3 mph H 46%29.97 inHg

7:00 PM

Mostly sunny

87° 💧 None 💨 3 mph H 59%29.97 inHg

8:00 PM

Clear night

85° 💧 None 💨 6 mph H 61%29.97 inHg

9:00 PM

Clear night

83° 💧 None 💨 9 mph H 60%30.00 inHg

10:00 PM

Partly cloudy night

80° 💧 None 💨 2 mph H 70%30.06 inHg

11:00 PM

Light rain

79° 💧 0.005 in 💨 1 mph H 74%30.06 inHg

Saturday

12:00 AM

Mostly clear night

77° 💧 0.004 in 💨 5 mph H 75%30.03 inHg

1:00 AM

Clear night

76° 💧 None 💨 3 mph H 77%30.03 inHg

2:00 AM

Clear night

75° 💧 None 💨 3 mph H 79%30.03 inHg

3:00 AM

Clear night

75° 💧 None 💨 3 mph H 80%30.00 inHg

4:00 AM

Clear night

74° 💧 None 💨 3 mph H 82%30.00 inHg

5:00 AM

Clear night

74° 💧 None 💨 3 mph H 83%30.00 inHg

6:00 AM

Clear night

73° 💧 None 💨 3 mph H 84%30.00 inHg

7:00 AM

Clear night

73° 💧 None 💨 2 mph H 85%30.00 inHg

8:00 AM

Sunny

74° 💧 None 💨 3 mph H 82%30.03 inHg

11:00 AM

Moderate rain

79° 💧 None 💨 6 mph H 75%30.06 inHg

2:00 PM

Mostly sunny

86° 💧 None 💨 2 mph H 59%30.00 inHg

5:00 PM

Partly cloudy

88° 💧 None 💨 3 mph H 51%29.94 inHg

8:00 PM

Partly cloudy night

81° 💧 None 💨 6 mph H 80%29.97 inHg

11:00 PM

Mostly clear night

79° 💧 None 💨 4 mph H 85%30.03 inHg

Sunday

2:00 AM

Mostly clear night

76° 💧 None 💨 2 mph H 92%30.00 inHg

5:00 AM

Mostly clear night

75° 💧 None 💨 1 mph H 94%29.97 inHg

8:00 AM

Partly cloudy

76° 💧 None 💨 2 mph H 93%30.00 inHg

11:00 AM

Partly cloudy

84° 💧 None 💨 0 mph H 65%30.03 inHg

2:00 PM

Mostly sunny

88° 💧 None 💨 2 mph H 56%29.94 inHg

5:00 PM

Partly cloudy

86° 💧 None 💨 3 mph H 60%29.88 inHg

8:00 PM

Clear night

80° 💧 None 💨 6 mph H 80%29.91 inHg

11:00 PM

Mostly clear night

77° 💧 None 💨 4 mph H 90%29.97 inHg

Monday

2:00 AM

Partly cloudy night

75° 💧 None 💨 3 mph H 94%29.97 inHg

5:00 AM

Overcast night

74° 💧 None 💨 2 mph H 95%29.94 inHg

8:00 AM

Sunny

75° 💧 None 💨 2 mph H 92%30.00 inHg

11:00 AM

Partly cloudy

84° 💧 None 💨 1 mph H 64%30.00 inHg

2:00 PM

Mostly sunny

89° 💧 None 💨 2 mph H 55%29.94 inHg

5:00 PM

Moderate rain

75° 💧 None 💨 6 mph H 98%29.94 inHg

8:00 PM

Overcast night

77° 💧 None 💨 1 mph H 92%29.97 inHg

11:00 PM

Mostly cloudy night

76° 💧 None 💨 1 mph H 92%30.00 inHg

Tuesday

2:00 AM

Mostly clear night

75° 💧 None 💨 0 mph H 97%30.00 inHg

8:00 AM

Mostly cloudy

73° 💧 None 💨 1 mph H 99%30.00 inHg

2:00 PM

Overcast

74° 💧 None 💨 3 mph H 98%30.03 inHg

8:00 PM

Mostly clear night

85° 💧 None 💨 5 mph H 67%30.03 inHg

Wednesday

2:00 AM

Partly cloudy night

76° 💧 None 💨 3 mph H 93%30.03 inHg

8:00 AM

Mostly cloudy

73° 💧 None 💨 6 mph H 99%30.06 inHg

2:00 PM

Overcast

72° 💧 None 💨 8 mph H 96%30.12 inHg

8:00 PM

Mostly clear night

80° 💧 None 💨 13 mph H 71%30.12 inHg

Thursday

2:00 AM

Partly cloudy night

76° 💧 None 💨 10 mph H 72%30.12 inHg

8:00 AM

Partly cloudy

72° 💧 None 💨 12 mph H 84%30.15 inHg

2:00 PM

Overcast

72° 💧 None 💨 13 mph H 78%30.18 inHg

8:00 PM

Overcast night

78° 💧 None 💨 14 mph H 65%30.15 inHg

Friday

2:00 AM

Mostly clear night

76° 💧 None 💨 12 mph H 68%30.15 inHg

8:00 AM

Sunny

71° 💧 None 💨 11 mph H 77%30.18 inHg

2:00 PM

Sunny

67° 💧 None 💨 10 mph H 86%30.18 inHg

8:00 PM

Mostly clear night

82° 💧 None 💨 10 mph H 54%30.15 inHg

Saturday

2:00 AM

Mostly clear night

76° 💧 None 💨 8 mph H 62%30.12 inHg

8:00 AM

Sunny

69° 💧 None 💨 6 mph H 76%30.12 inHg

2:00 PM

Mostly cloudy

69° 💧 None 💨 7 mph H 85%30.12 inHg

8:00 PM

Mostly clear night

82° 💧 None 💨 8 mph H 54%30.06 inHg

Sunday

2:00 AM

Mostly clear night

78° 💧 None 💨 5 mph H 66%30.00 inHg

8:00 AM

Overcast

71° 💧 None 💨 1 mph H 89%30.00 inHg

2:00 PM

Overcast

70° 💧 None 💨 3 mph H 96%30.00 inHg

8:00 PM

Clear night

86° 💧 None 💨 3 mph H 45%29.97 inHg

Monday

2:00 AM

Overcast night

79° 💧 None 💨 9 mph H 65%29.94 inHg

8:00 AM

Overcast

72° 💧 None 💨 2 mph H 90%29.97 inHg

2:00 PM

Overcast

73° 💧 None 💨 2 mph H 94%29.97 inHg

8:00 PM

Overcast night

84° 💧 None 💨 8 mph H 53%29.97 inHg

Tuesday

2:00 AM

Overcast night

77° 💧 None 💨 6 mph H 70%29.94 inHg

8:00 AM

Overcast

74° 💧 None 💨 6 mph H 83%29.94 inHg

2:00 PM

Light rain

71° 💧 None 💨 8 mph H 96%29.94 inHg

8:00 PM

Heavy rain

71° 💧 None 💨 14 mph H 96%29.88 inHg

Wednesday

2:00 AM

Light rain

71° 💧 None 💨 16 mph H 97%29.77 inHg

8:00 AM

Overcast

69° 💧 None 💨 6 mph H 95%29.77 inHg

2:00 PM

Mostly cloudy

69° 💧 None 💨 5 mph H 91%29.83 inHg

8:00 PM

Overcast night

76° 💧 None 💨 3 mph H 75%29.85 inHg

Thursday

2:00 AM

Partly cloudy night

74° 💧 None 💨 5 mph H 81%29.85 inHg

In Santee and, more broadly, across the state of South Carolina: The afternoon will end with clear skies and warm temperatures, ranging from the mid-70s to the low 80s. Winds will be light, coming from the east at around 6 mph, with occasional gusts reaching 12 mph. As evening approaches, temperatures will gradually cool but remain comfortably warm. No precipitation is expected during this time, so dry conditions will persist through the night. It should remain a calm and clear evening, making for pleasant weather after sunset.

15-Day Weather Outlook for Santee

TomorrowTomorrow

Mostly cloudy 86°/70° 💧 None 💨 6 mph

Friday, Sep 18Fri Sep 18

Mostly sunny 92°/69° 💧 None 💨 9 mph

Saturday, Sep 19Sat Sep 19

Moderate rain 88°/73° 💧 0.116 in 💨 6 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 88°/75° 💧 0.024 in 💨 6 mph

Monday, Sep 21Mon Sep 21

Moderate rain 89°/74° 💧 0.299 in 💨 6 mph

Tuesday, Sep 22Tue Sep 22

Mostly sunny 85°/73° 💧 0.130 in 💨 5 mph

Wednesday, Sep 23Wed Sep 23

Mostly sunny 80°/72° 💧 0.135 in 💨 13 mph

Thursday, Sep 24Thu Sep 24

Partly cloudy 78°/72° 💧 0.001 in 💨 14 mph

Friday, Sep 25Fri Sep 25

Mostly sunny 82°/67° 💧 None 💨 12 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 82°/69° 💧 None 💨 8 mph

Sunday, Sep 27Sun Sep 27

Overcast 86°/70° 💧 None 💨 5 mph

Monday, Sep 28Mon Sep 28

Overcast 84°/72° 💧 0.004 in 💨 9 mph

Tuesday, Sep 29Tue Sep 29

Heavy rain 77°/71° 💧 0.642 in 💨 14 mph

Wednesday, Sep 30Wed Sep 30

Light rain 76°/69° 💧 0.766 in 💨 16 mph

Thursday, Oct 1Thu Oct 1

Partly cloudy 74°/74° 💧 None 💨 5 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Santee

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Santee

Hourly forecast · Updated every 2 hours

Moderate

Nearest forecast value 4:00 PM

PM2.5 Fine particles Good 4,5µg/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 8,2µg/m³

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

O₃ Ozone Moderate 112,1µg/m³

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

NO₂ Nitrogen dioxide Good 0,9µg/m³

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

Sensitive people should reduce strenuous and prolonged outdoor exertion.

UV & HEALTH

UV, Sun & Health Outlook in Santee

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 8,1Very high 😐Moderate

Tomorrow UV 8,1Very high 😐Moderate

Friday UV 8,2Very high 😐Moderate

Saturday UV 8,3Very high 😐Moderate

Sunday UV 7,6High 🙂Fair

Monday UV 7,0High —Unavailable

Tuesday UV 5,0Moderate —Unavailable

Hourly UV index today

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

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.

Caution for sensitive people

People with respiratory or cardiovascular conditions should reduce prolonged outdoor 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 Santee

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · SANTEE, SOUTH CAROLINA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 9:00 PM–10:00 PM.

87/100Best-hour score

BEST TIME TONIGHT 9:00 PM–10:00 PM Astronomical darkness: 8:50 PM–5:43 AM

☁ Cloud cover 17% Real hourly forecast for the best viewing hour.

☾ Moonlight 27% Waxing Crescent · Moon about 14° above the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 3° high at the best hour.

✦ Estimated visible meteors 0–1/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min7%

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 Santee were last refreshed today at 3:36 PM. The current forecast period extends through 18/09/2026 at 1:00 PM. 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.