Santee, SC Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Santee, SC.

1 Currently Active Alert for Santee

Current Conditions — Santee, SC

MCENTIRE ANG BAS (KMMT)

Haze

59.5 F
Humidity:71%
Wind Speed:W 3.4 mph
Barometer:30.08 in
Dewpoint:50.2 F
Visibility:6.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 23 2026, 07:55 AM EDT
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5-Day Forecast — Santee, SC

Thursday

High 89 °F
Smoke
Thursday
Night
Low 57 °F
Mostly Clear
Friday

High 89 °F
Partly Sunny
Friday
Night
Low 60 °F
Partly Cloudy
Saturday

High 89 °F
Chance of T-storms
Saturday
Night
Low 60 °F
Chance of T-storms
Sunday

High 82 °F
Chance of T-storms
Sunday
Night
Low 57 °F
Partly Cloudy
Monday

High 80 °F
Isolated T-storm

Detailed Forecast — Santee, SC

Thursday
Smoke. High near 89°F. Wind 2 to 5 mph, with gusts as high as 12 mph.
Thursday Night
Mostly Clear. Low around 57°F. Wind 3 to 5 mph, with gusts as high as 14 mph.
Friday
Partly Sunny. High near 89°F. Wind 3 to 5 mph, with gusts as high as 14 mph.
Friday Night
Partly Cloudy. Low around 60°F. Wind 3 to 6 mph, with gusts as high as 14 mph.
Saturday
Chance of Thunderstorms. High near 89°F. Wind 5 to 7 mph, with gusts as high as 16 mph.
Saturday Night
Chance of Thunderstorms. Low around 60°F. Wind 1 to 3 mph, with gusts as high as 10 mph.
Sunday
Chance of Thunderstorms. High near 82°F. Wind 2 to 5 mph, with gusts as high as 12 mph.
Sunday Night
Partly Cloudy. Low around 57°F. Wind 2 to 3 mph, with gusts as high as 12 mph.
Monday
Isolated T-storm. High near 80°F. Wind 5 to 7 mph, with gusts as high as 15 mph.
Monday Night
Chance of Rain. Low around 60°F. Wind around 2 mph, with gusts as high as 10 mph.
Tuesday
Chance of Thunderstorms. High near 86°F. Wind 3 to 8 mph, with gusts as high as 17 mph.
Tuesday Night
Chance of Showers. Low around 62°F. Wind around 2 mph, with gusts as high as 10 mph.
Wednesday
Isolated T-storm. High near 86°F. Wind 2 to 3 mph, with gusts as high as 10 mph.
SC Radar
Current Radar • SC
Day 1 Outlook • April 23, 2026

Observation History — Santee, SC

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
07:55 AM EDT W 3.4 6.00 Haze -- 59.5 50.2 71% NA NA 30.08 1018.6
06:55 AM EDT 0.0 6.00 Haze -- 50.9 43.5 76% NA NA 30.06 1018.0
05:55 AM EDT 0.0 10.00 Clear -- 54.0 43.3 67% NA NA 30.05 1017.6
04:55 AM EDT SW 5.8 10.00 Clear -- 61.7 45.0 54% NA NA 30.05 1017.6
03:55 AM EDT 0.0 10.00 Clear -- 53.8 47.5 79% NA NA 30.05 1017.6
02:55 AM EDT 0.0 10.00 Clear -- 58.3 45.0 61% NA NA 30.05 1017.6
01:55 AM EDT 4.7 10.00 Clear -- 66.0 46.8 50% NA NA 30.06 1018.0
12:55 AM EDT 5.8 10.00 Clear -- 67.6 48.4 50% NA NA 30.07 1018.3
11:55 PM EDT 4.7 10.00 NULL -- 61.2 45.9 57% NA NA 30.07 1018.3
10:55 PM EDT S 4.7 10.00 Clear -- 65.7 46.6 50% NA NA 30.07 1018.3
09:55 PM EDT SE 3.4 10.00 Clear -- 64.0 46.6 53% NA NA 30.06 1018.0
08:55 PM EDT 0.0 10.00 Clear -- 72.7 42.6 34% NA 71.2 30.04 1017.3
07:55 PM EDT S 4.7 10.00 Clear -- 79.7 41.7 26% NA 78.6 30.03 1016.9
06:55 PM EDT S 5.8 10.00 Clear Trace 84.6 39.0 20% NA 81.7 30.04 1017.3
05:55 PM EDT SW 4.7 10.00 Mostly Clear -- 87.8 % NA NA 30.04 1017.3
04:55 PM EDT 8.1 10.00 Clear -- 88.5 % NA NA 30.05 1017.6
03:55 PM EDT 11.4 9.00 Mostly Clear -- 87.1 % NA NA 30.07 1018.3
02:55 PM EDT W 13.9 8.00 NULL -- 86.9 % NA NA 30.10 1019.3
01:55 PM EDT 0.0 6.00 Haze and Smoke -- 85.6 44.6 24% NA 82.8 30.14 1020.7
12:55 PM EDT 11.4 G 20.8 8.00 Partly Cloudy -- 82.0 % NA NA 30.17 1021.7
11:55 AM EDT SW 5.8 10.00 Clear -- 78.3 48.4 35% NA 77.4 30.21 1023.0
10:55 AM EDT 8.1 10.00 Mostly Cloudy -- 74.7 51.8 45% NA 73.9 30.23 1023.7
09:55 AM EDT SW 9.2 10.00 Mostly Cloudy -- 67.6 54.5 63% NA NA 30.22 1023.4
08:55 AM EDT 0.0 10.00 Mostly Cloudy -- NULL 54.7 % NA NA 30.25 1024.1

Regional Weather Observation

MCENTIRE ANG BAS (KMMT)

Haze
59.5 F

SHAW AFB/SUMTER (KSSC)

Clear
63.7 F

ORANGEBURG (KOGB)

Clear
59.0 F

MANNING (KMNI)

Clear
62.6 F

COLUMBIA-OWENS (KCUB)

Haze
64.4 F

NORTH AUX (KXNO)

Clear
NULL F
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