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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 BLENHEIM, SOUTH CAROLINA

Current Conditions: BLENHEIM, SOUTH CAROLINA

CHERAW (KCQW)

Clear

48.2 F
Humidity:50%
Wind Speed: 6.9 mph
Barometer:30.29 in
Dewpoint:30.2 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:45.1 F
Apr 21 2026, 03:55 AM EDT
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5 Day Forecast for BLENHEIM, SOUTH CAROLINA (29516)

Tuesday

High 71 °F
Forecast Missing
Tuesday
Night
Low 48 °F
Partly Cloudy
Wednesday

High 84 °F
Partly Sunny
Wednesday
Night
Low 55 °F
Mostly Clear
Thursday

High 86 °F
Mostly Sunny
Thursday
Night
Low 59 °F
Mostly Clear
Friday

High 87 °F
Partly Sunny
Friday
Night
Low 60 °F
Mostly Clear
Saturday

High 89 °F
Chance of Rain Showers

Detailed Forecast for BLENHEIM, SOUTH CAROLINA (29516)

Tuesday
Sunny. High near 71°F. Wind 1 to 8 mph, with gusts as high as 12 mph.
Tuesday Night
Partly Cloudy. Low around 48°F. Wind 3 to 5 mph, with gusts as high as 7 mph.
Wednesday
Partly Sunny. High near 84°F. Wind 6 to 12 mph, with gusts as high as 17 mph.
Wednesday Night
Mostly Clear. Low around 55°F. Wind 3 to 6 mph, with gusts as high as 9 mph.
Thursday
Mostly Sunny. High near 86°F. Wind around 3 mph, with gusts as high as 8 mph.
Thursday Night
Mostly Clear. Low around 59°F. Wind 3 to 5 mph, with gusts as high as 9 mph.
Friday
Partly Sunny. High near 87°F. Wind 5 to 8 mph, with gusts as high as 13 mph.
Friday Night
Mostly Clear. Low around 60°F. Wind 5 to 6 mph, with gusts as high as 12 mph.
Saturday
Chance of Rain Showers. High near 89°F. Wind 5 to 9 mph, with gusts as high as 16 mph.
Saturday Night
Chance of Thunderstorms. Low around 62°F. Wind 5 to 6 mph, with gusts as high as 10 mph.
Sunday
Chance of Thunderstorms. High near 84°F. Wind 5 to 7 mph, with gusts as high as 13 mph.
Sunday Night
Chance of Rain. Low around 60°F. Wind 5 to 6 mph, with gusts as high as 9 mph.
Monday
Chance of Rain Showers. High near 82°F. Wind 6 to 8 mph, with gusts as high as 15 mph.
SC Radar
Current Radar • SC
Day 1 Outlook • April 21, 2026

Observation History for BLENHEIM, 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)
03:55 AM EDT 6.9 10.00 Clear -- 48.2 30.2 50% 45.1 NA 30.29 1025.7
03:35 AM EDT 4.7 10.00 Clear -- 48.2 28.4 46% 46.2 NA 30.28 1025.4
02:55 AM EDT 0.0 10.00 Clear -- 51.8 28.4 40% NA NA 30.28 1025.4
02:35 AM EDT 3.4 10.00 Clear -- 51.8 28.4 40% NA NA 30.28 1025.4
02:15 AM EDT E 4.7 10.00 Clear -- 53.6 30.2 41% NA NA 30.28 1025.4
01:55 AM EDT 0.0 10.00 Clear -- 53.6 30.2 41% NA NA 30.28 1025.4
01:35 AM EDT 3.4 10.00 Clear -- 53.6 30.2 41% NA NA 30.27 1025.1
01:15 AM EDT 3.4 10.00 Clear -- 53.6 32.0 44% NA NA 30.26 1024.7
12:55 AM EDT E 3.4 10.00 Clear -- 55.4 32.0 41% NA NA 30.26 1024.7
12:35 AM EDT E 5.8 10.00 Clear -- 55.4 32.0 41% NA NA 30.25 1024.4
12:15 AM EDT E 8.1 10.00 Clear -- 57.2 35.6 44% NA NA 30.25 1024.1
11:55 PM EDT E 8.1 10.00 Mostly Clear -- 55.4 37.4 51% NA NA 30.23 1023.7
11:15 PM EDT NE 6.9 10.00 Partly Cloudy -- 59.0 37.4 45% NA NA 30.23 1023.7
10:55 PM EDT 0.0 10.00 Mostly Cloudy -- 59.0 37.4 45% NA NA 30.22 1023.4
10:35 PM EDT 0.0 10.00 Mostly Cloudy -- 59.0 37.4 45% NA NA 30.21 1023.0
09:55 PM EDT 0.0 10.00 Cloudy -- 59.0 37.4 45% NA NA 30.19 1022.4
09:35 PM EDT 0.0 10.00 Cloudy -- 60.8 35.6 39% NA NA 30.19 1022.4
09:15 PM EDT 0.0 10.00 NULL -- 60.8 35.6 39% NA NA 30.18 1022.0
08:55 PM EDT 0.0 10.00 Partly Cloudy -- 59.0 35.6 41% NA NA 30.17 1021.7
08:35 PM EDT 0.0 10.00 Mostly Clear -- 60.8 35.6 39% NA NA 30.17 1021.7
08:15 PM EDT 0.0 10.00 NULL -- 64.4 33.8 32% NA NA 30.16 1021.3
07:55 PM EDT W 3.4 10.00 Mostly Clear -- 68.0 33.8 28% NA NA 30.16 1021.3
07:35 PM EDT 0.0 10.00 Mostly Clear -- 69.8 32.0 25% NA NA 30.15 1021.0
06:55 PM EDT 4.7 10.00 Clear -- 71.6 30.2 22% NA 69.4 30.15 1021.0

Regional Weather Observation

CHERAW (KCQW)

Clear
48.2 F

ROCKINGHAM (KRCZ)

Clear
48.9 F

MARLBORO CNTY (KBBP)

Clear
50.0 F

DARLINGTON CNTY (KUDG)

Clear
48.2 F

MAXTON (KMEB)

Clear
46.4 F

HARTSVILLE (KHVS)

Mostly Cloudy
53.6 F
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