Santee, SC Weather Forecast & Alerts

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

Current Conditions — Santee, SC

MCENTIRE ANG BAS (KMMT)

Clear

84.6 F
Humidity:20%
Wind Speed:S 5.8 mph
Barometer:30.04 in
Dewpoint:39.0 F
Visibility:10.00 mi
Precip:Trace
Heat Index:81.7 F
Wind Chill:NA
Apr 22 2026, 06:55 PM EDT
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5-Day Forecast — Santee, SC

Wednesday

High 84 °F
Smoke
Wednesday
Night
Low 55 °F
Mostly Clear
Thursday

High 87 °F
Smoke
Thursday
Night
Low 57 °F
Partly Cloudy
Friday

High 87 °F
Partly Sunny
Friday
Night
Low 59 °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

Detailed Forecast — Santee, SC

Wednesday
Smoke. High near 84°F. Wind 5 to 6 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly Clear. Low around 55°F. Wind 3 to 5 mph, with gusts as high as 13 mph.
Thursday
Smoke. High near 87°F. Wind 2 to 3 mph, with gusts as high as 13 mph.
Thursday Night
Partly Cloudy. Low around 57°F. Wind 3 to 5 mph, with gusts as high as 13 mph.
Friday
Partly Sunny. High near 87°F. Wind 3 to 6 mph, with gusts as high as 16 mph.
Friday Night
Partly Cloudy. Low around 59°F. Wind 3 to 5 mph, with gusts as high as 13 mph.
Saturday
Chance of Thunderstorms. High near 89°F. Wind 3 to 7 mph, with gusts as high as 15 mph.
Saturday Night
Chance of Thunderstorms. Low around 60°F. Wind 3 to 5 mph, with gusts as high as 12 mph.
Sunday
Chance of Thunderstorms. High near 82°F. Wind 5 to 6 mph, with gusts as high as 14 mph.
Sunday Night
Chance of Showers. Low around 57°F. Wind around 5 mph, with gusts as high as 12 mph.
Monday
Isolated T-storm. High near 77°F. Wind around 6 mph, with gusts as high as 14 mph.
Monday Night
Isolated T-storm. Low around 60°F. Wind 3 to 5 mph, with gusts as high as 12 mph.
Tuesday
Chance of Thunderstorms. High near 84°F. Wind 5 to 8 mph, with gusts as high as 17 mph.
SC Radar
Current Radar • SC
Day 1 Outlook • April 22, 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)
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
07:55 AM EDT 0.0 10.00 Mostly Cloudy -- 50.0 47.5 91% NA NA 30.23 1023.7
06:55 AM EDT 0.0 10.00 Fog -- 46.9 43.9 89% NA NA 30.22 1023.4
05:55 AM EDT 0.0 10.00 Clear -- 46.8 43.2 87% NA NA 30.20 1022.7
04:55 AM EDT 0.0 10.00 Clear -- 47.1 43.2 86% NA NA 30.20 1022.7
03:55 AM EDT 0.0 10.00 Clear -- 47.5 42.8 84% NA NA 30.20 1022.7
02:55 AM EDT 0.0 10.00 Clear -- 48.7 43.5 82% NA NA 30.21 1023.0
01:55 AM EDT 0.0 10.00 Clear -- 49.8 43.2 78% NA NA 30.22 1023.4
12:55 AM EDT 0.0 10.00 Clear -- 51.8 42.3 70% NA NA 30.25 1024.1
11:55 PM EDT 0.0 10.00 Clear -- 55.2 42.8 63% NA NA 30.25 1024.1
10:55 PM EDT 6.9 10.00 Clear -- 54.5 40.5 59% NA NA 30.25 1024.1
09:55 PM EDT SE 3.4 10.00 Clear -- 57.0 38.5 50% NA NA 30.25 1024.1
08:55 PM EDT SE 4.7 10.00 Clear -- 61.0 37.8 42% NA NA 30.23 1023.7
07:55 PM EDT 3.4 10.00 Clear -- 70.3 35.6 28% NA 68.4 30.23 1023.7

Regional Weather Observation

MCENTIRE ANG BAS (KMMT)

Clear
84.6 F

SHAW AFB/SUMTER (KSSC)

Clear
81.3 F

ORANGEBURG (KOGB)

Clear
78.8 F

MANNING (KMNI)

Clear
77.0 F

COLUMBIA-OWENS (KCUB)

Clear
82.4 F

NORTH AUX (KXNO)

Partly Cloudy
NULL F
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