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Day 1 Outlook • April 21, 2026
Day 2 Outlook • April 22, 2026
Day 3 Outlook • April 23, 2026
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dBZ 5
75

Hazardous Weather Conditions

  • No active alerts for SUMMERTON, SOUTH CAROLINA

Current Conditions: SUMMERTON, SOUTH CAROLINA

SHAW AFB/SUMTER (KSSC)

Clear

51.1 F
Humidity:64%
Wind Speed:NE 9.2 mph
Barometer:30.23 in
Dewpoint:39.4 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 21 2026, 02:55 AM EDT
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5 Day Forecast for SUMMERTON, SOUTH CAROLINA (29148)

Tuesday

High 75 °F
Forecast Missing
Tuesday
Night
Low 50 °F
Mostly Cloudy
Wednesday

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

High 86 °F
Mostly Sunny
Thursday
Night
Low 57 °F
Mostly Clear
Friday

High 87 °F
Partly Sunny
Friday
Night
Low 59 °F
Partly Cloudy
Saturday

High 87 °F
Isolated T-storm

Detailed Forecast for SUMMERTON, SOUTH CAROLINA (29148)

Tuesday
Sunny. High near 75°F. Wind 1 to 6 mph, with gusts as high as 14 mph.
Tuesday Night
Mostly Cloudy. Low around 50°F. Wind 0 to 2 mph, with gusts as high as 8 mph.
Wednesday
Mostly Cloudy. High near 84°F. Wind 2 to 7 mph, with gusts as high as 14 mph.
Wednesday Night
Mostly Clear. Low around 55°F. Wind 2 to 3 mph, with gusts as high as 12 mph.
Thursday
Mostly Sunny. High near 86°F. Wind 2 to 3 mph, with gusts as high as 10 mph.
Thursday Night
Mostly Clear. Low around 57°F. Wind 2 to 3 mph, with gusts as high as 12 mph.
Friday
Partly Sunny. High near 87°F. Wind 2 to 5 mph, with gusts as high as 13 mph.
Friday Night
Partly Cloudy. Low around 59°F. Wind 3 to 5 mph, with gusts as high as 14 mph.
Saturday
Isolated T-storm. High near 87°F. Wind 2 to 7 mph, with gusts as high as 15 mph.
Saturday Night
Isolated T-storm. Low around 62°F. Wind 2 to 5 mph, with gusts as high as 14 mph.
Sunday
Chance of Thunderstorms. High near 86°F. Wind 2 to 6 mph, with gusts as high as 13 mph.
Sunday Night
Chance of Rain Showers. Low around 62°F. Wind around 2 mph, with gusts as high as 10 mph.
Monday
Chance of Thunderstorms. High near 84°F. Wind 3 to 7 mph, with gusts as high as 15 mph.
SC Radar
Current Radar • SC
Day 1 Outlook • April 21, 2026

Observation History for SUMMERTON, SOUTH CAROLINA

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)
02:55 AM EDT NE 9.2 10.00 Clear -- 51.1 39.4 64% NA NA 30.23 1023.7
01:55 AM EDT 8.1 10.00 Clear -- 58.3 40.8 52% NA NA 30.25 1024.1
12:55 AM EDT 5.8 10.00 Clear -- 57.4 42.3 57% NA NA 30.21 1023.0
11:55 PM EDT 4.7 10.00 Clear -- 55.8 42.1 60% NA NA 30.19 1022.4
10:55 PM EDT 3.4 10.00 Clear -- 56.1 43.3 62% NA NA 30.19 1022.4
09:55 PM EDT 0.0 10.00 Mostly Clear -- 59.5 41.9 52% NA NA 30.19 1022.4
08:55 PM EDT 0.0 10.00 Clear -- 63.7 37.6 38% NA NA 30.17 1021.7
07:55 PM EDT 3.4 10.00 Mostly Clear -- 70.3 32.9 25% NA 68.2 30.15 1021.0
06:55 PM EDT W 8.1 10.00 Mostly Clear -- 73.6 31.3 21% NA 71.6 30.15 1021.0
05:55 PM EDT W 10.3 10.00 Mostly Clear -- 75.2 30.0 19% NA 73.2 30.15 1021.0
04:55 PM EDT W 5.8 10.00 Mostly Clear -- 75.2 % NA NA 30.16 1021.3
03:55 PM EDT 9.2 10.00 NULL -- 75.4 28.9 18% NA 73.4 30.18 1022.0
03:34 PM EDT 12.8 G 19.7 10.00 Mostly Clear -- 75.2 % NA NA 30.18 1022.0
02:55 PM EDT 6.9 G 19.7 10.00 Mostly Clear -- 73.8 % NA NA 30.20 1022.7
02:47 PM EDT G 19.7 10.00 Mostly Clear -- 73.4 28.4 19% NA 71.2 30.20 1022.7
01:55 PM EDT SW 5.8 10.00 Clear -- 71.4 27.0 19% NA 69.1 30.22 1023.4
12:55 PM EDT W 3.4 10.00 Clear -- 70.5 27.5 20% NA 68.2 30.25 1024.4
11:55 AM EDT 5.8 10.00 Clear -- 69.3 % NA NA 30.26 1024.7
10:55 AM EDT SE 3.4 10.00 Clear -- 66.2 % NA NA 30.27 1025.1
09:55 AM EDT SE 3.4 10.00 NULL -- 61.9 31.6 32% NA NA 30.27 1025.1
08:55 AM EDT E 4.7 10.00 Clear -- 57.7 % NA NA 30.27 1025.1
07:55 AM EDT 0.0 10.00 Clear -- NULL 33.1 % NA NA 30.27 1025.1
06:55 AM EDT 0.0 10.00 Clear -- 46.4 29.7 52% NA NA 30.26 1024.7
05:55 AM EDT 3.4 10.00 Clear -- 46.4 % 45.3 NA 30.23 1023.7

Regional Weather Observation

SHAW AFB/SUMTER (KSSC)

Clear
51.1 F

MCENTIRE ANG BAS (KMMT)

Clear
55.9 F

MANNING (KMNI)

Clear
51.8 F

ORANGEBURG (KOGB)

Clear
48.2 F

SUMTER (KSMS)

Clear
46.4 F

COLUMBIA-OWENS (KCUB)

Clear
55.4 F
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