Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
848
FOUS52 KCHS 201816
PFMCHS
Point Forecast Matrices
National Weather Service Charleston SC
216 PM EDT Sun Sep 20 2026
SCZ150-210800-
Charleston International Airport-Charleston SC
32.91N 80.03W Elev. 45 ft
216 PM EDT Sun Sep 20 2026
Date 09/20/26 Mon 09/21/26 Tue 09/22/26 Wed
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 72 90 72 89 71
Temp 83 78 75 74 73 73 84 88 85 79 76 75 73 73 83 87 84 78 75 73 72 72
Dewpt 73 74 74 73 73 73 74 72 72 73 74 73 73 73 74 73 74 74 74 73 72 72
RH 72 88 97 97100100 72 59 65 82 94 94100100 74 63 72 88 97100100100
Wind dir E E N N N NE NE E E E N N N N NE E E E NE NE N NE
Wind spd 9 5 0 0 0 3 4 6 9 4 0 0 2 4 6 6 8 5 3 4 6 9
Clouds B2 B1 B1 SC SC SC SC B1 B2 B1 B1 B1 B1 SC SC SC B1 SC SC SC SC SC
PoP 12hr 10 20 20 60 30
QPF 12hr 0 0 0 0.11 0.01
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S L L C C S
Tstms S C C C S S
Obvis PF
Heat index 91 95 91 90 94 91
Max heat 92 95 95 94 94
Date 09/23 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 86 67 82 63 79 61 79 61 81
Temp 84 76 70 68 79 75 67 64 77 72 65 62 77 72 65 62 80 72
Dewpt 72 71 68 67 69 66 63 61 61 60 58 57 57 59 58 58 57 59
PWind dir NE N N N N N N NE NE
Wind char GN GN GN GN GN LT LT LT LT
Avg clouds SC B1 B1 SC SC B1 B1 SC SC SC FW FW FW FW SC FW SC SC
PoP 12hr 50 20 30 10 5 0 5 5 5
Rain shwrs S C S S S C
Tstms S C S S C
$$
GAZ218-210800-
Savannah International Airport-Inland Chatham GA
32.12N 81.20W Elev. 50 ft
216 PM EDT Sun Sep 20 2026
Date 09/20/26 Mon 09/21/26 Tue 09/22/26 Wed
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 73 89 72 90 73
Temp 85 79 75 74 73 73 83 87 86 79 76 74 73 73 83 88 85 79 75 74 73 73
Dewpt 74 74 74 74 73 73 75 74 73 74 74 73 73 73 75 74 74 74 74 74 73 73
RH 70 85 97100100100 77 65 65 85 94 97100100 77 63 70 85 97100100100
Wind dir E E N N N N NE E E E N N NE N NE E E SE E E N N
Wind spd 5 3 0 0 1 2 3 5 8 3 0 0 1 2 4 5 8 4 1 1 3 5
Clouds B1 B1 SC SC SC SC B1 B1 B1 B2 SC SC FW FW FW SC SC SC FW FW FW SC
PoP 12hr 10 20 10 50 20
QPF 12hr 0 0.01 0 0.04 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S C C S S S
Tstms S S C C S S
Obvis PF
Heat index 93 90 95 93 90 97 93
Max heat 95 96 97 97 97
Date 09/23 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 88 69 83 65 81 62 81 63 82
Temp 86 78 72 69 82 77 69 65 79 75 65 63 79 74 66 64 81 73
Dewpt 74 73 70 67 70 68 65 62 63 62 60 58 59 61 59 58 59 61
PWind dir NE NE N N N NE NE NE NE
Wind char LT GN GN GN GN LT LT LT LT
Avg clouds SC SC SC FW SC SC SC SC SC SC SC FW FW SC SC FW FW SC
PoP 12hr 60 20 30 5 5 0 5 5 5
Rain shwrs S L S S S C
Tstms S C S S S
$$
SCZ150-210800-
Charleston Waterfront-Charleston SC
32.78N 79.94W Elev. 10 ft
216 PM EDT Sun Sep 20 2026
Date 09/20/26 Mon 09/21/26 Tue 09/22/26 Wed
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 74 88 74 87 73
Temp 83 79 78 76 75 75 84 87 85 80 78 77 75 75 83 86 84 79 77 75 74 73
Dewpt 77 76 76 75 74 75 76 77 76 76 75 75 74 75 77 77 77 76 76 75 74 73
RH 82 91 94 97 97100 77 72 75 88 91 94 97100 82 75 80 91 97100100100
Wind dir E E E E NE NE NE E E E E E N N NE E E E E NE N NE
Wind spd 8 4 2 1 1 2 3 6 8 3 2 1 2 3 5 6 8 4 3 3 5 8
Clouds B1 B1 B1 SC SC SC B1 B1 B1 B1 B1 B2 B2 B1 SC SC SC SC SC SC SC SC
PoP 12hr 10 20 30 50 30
QPF 12hr 0 0 0.03 0.07 0.01
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S C S S C C C C S S C
Tstms S S S S C C C S S S S
Heat index 92 92 98 94 91 97 93
Max heat 96 98 98 97 97
Date 09/23 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 85 69 81 66 79 64 79 64 80
Temp 84 78 72 70 81 76 69 66 78 73 67 65 78 73 68 65 80 74
Dewpt 77 74 70 68 72 69 65 63 65 64 61 59 61 62 61 60 61 63
PWind dir NE N N N N N N NE NE
Wind char GN GN GN GN GN LT GN LT LT
Avg clouds SC SC B1 SC SC SC SC SC SC SC FW FW FW SC SC SC SC SC
PoP 12hr 60 20 30 10 5 0 5 5 5
Rain shwrs C L S S S C
Tstms S C S S C
$$
SCZ148-210800-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N 80.72W Elev. 37 ft
216 PM EDT Sun Sep 20 2026
Date 09/20/26 Mon 09/21/26 Tue 09/22/26 Wed
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 73 88 73 88 73
Temp 85 78 76 75 73 74 83 87 86 79 76 75 73 74 83 86 85 78 76 74 73 73
Dewpt 76 75 75 74 73 74 76 76 75 75 74 74 73 74 76 76 76 75 75 74 73 73
RH 75 91 97 97100100 80 70 70 88 94 97100100 80 72 75 91 97100100100
Wind dir E E N N N N NE E E E SE N N N NE E E SE E NE NE N
Wind spd 5 3 0 0 1 2 3 5 6 3 1 0 1 2 4 4 6 3 1 2 3 6
Clouds B1 SC B1 SC B1 SC B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC FW FW FW FW
PoP 12hr 10 20 20 50 30
QPF 12hr 0 0 0 0.07 0.03
Snow 12hr 00-00 00-00 00-00
Rain shwrs C S C C C C
Tstms C S C C C S
Obvis PF
Heat index 94 91 98 95 91 96 94
Max heat 95 98 96 96 98
Date 09/23 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 86 69 81 65 79 62 79 63 81
Temp 84 78 72 69 80 76 68 65 77 73 65 63 77 73 66 64 79 73
Dewpt 76 73 70 67 72 68 64 62 65 63 60 58 61 61 60 59 61 62
PWind dir NE NE N N N NE N NE NE
Wind char LT GN GN GN GN LT LT LT LT
Avg clouds SC SC SC SC SC SC SC SC SC SC SC FW FW SC SC FW FW SC
PoP 12hr 50 30 30 5 5 0 5 5 5
Rain shwrs C S C C C
Tstms C S C C
$$
SCZ043-210800-
Walterboro-Inland Colleton SC
32.91N 80.67W Elev. 98 ft
216 PM EDT Sun Sep 20 2026
Date 09/20/26 Mon 09/21/26 Tue 09/22/26 Wed
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 69 90 70 89 69
Temp 86 77 73 70 70 71 83 88 86 77 73 71 70 71 83 87 84 76 73 71 70 70
Dewpt 70 72 72 70 70 71 72 70 71 72 72 71 70 71 72 71 71 73 72 71 70 70
RH 59 85 97100100100 70 55 61 85 97100100100 70 59 65 90 97100100100
Wind dir E E N N N N NE E SE SE N N N N NE E SE SE N N NE NE
Wind spd 6 3 0 0 0 0 3 5 6 3 0 0 0 0 4 5 5 3 0 0 3 6
Clouds B1 SC SC SC SC SC SC SC B2 B1 B1 B1 B1 SC SC SC SC SC SC FW SC B1
PoP 12hr 5 20 10 50 40
QPF 12hr 0 0 0 0.08 0.05
Snow 12hr 00-00 00-00 00-00
Rain shwrs S C C C C
Tstms S C C C S
Obvis PF
Heat index 91 93 91 93
Max heat 92 93 93 93 93
Date 09/23 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 85 65 80 61 78 58 78 58 80
Temp 83 76 68 66 78 73 65 62 75 70 61 59 77 70 61 59 78 70
Dewpt 71 70 66 65 67 65 61 59 60 58 56 55 56 56 55 55 55 57
PWind dir NE NE N N N NE N NE NE
Wind char GN GN GN GN GN LT LT LT LT
Avg clouds B1 SC SC SC B1 SC SC SC SC FW FW FW FW SC SC FW SC SC
PoP 12hr 50 30 20 5 5 0 5 0 5
Rain shwrs C S C S S
Tstms C S S S
$$
GAZ099-210800-
Metter-Candler GA
32.40N 82.06W Elev. 197 ft
216 PM EDT Sun Sep 20 2026
Date 09/20/26 Mon 09/21/26 Tue 09/22/26 Wed
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 71 91 71 91 71
Temp 88 79 75 72 71 72 83 89 89 79 75 72 71 72 83 89 89 79 74 73 72 72
Dewpt 71 73 74 72 71 72 73 71 70 73 74 72 71 72 73 71 71 74 74 73 72 72
RH 57 82 97100100100 72 56 54 82 97100100100 72 56 56 85100100100100
Wind dir NE E SE N N N NE E E SE SE N N NE NE E E E SE E NE NE
Wind spd 5 3 1 0 1 1 4 6 6 4 2 0 0 1 3 5 5 4 2 1 2 4
Clouds SC SC FW FW SC B1 SC SC SC SC SC FW FW SC FW FW FW SC FW FW SC SC
PoP 12hr 5 10 10 20 30
QPF 12hr 0 0 0 0 0.08
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S C C
Tstms S S C
Obvis PF PF
Heat index 94 95 94 95 95
Max heat 96 95 96 95 96
Date 09/23 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 89 67 84 62 82 60 82 60 84
Temp 87 77 70 67 81 75 66 63 79 73 64 61 79 72 63 61 81 73
Dewpt 73 73 70 67 68 68 64 61 61 62 59 57 58 59 57 56 57 58
PWind dir NE NE NE NE NE NE NE NE NE
Wind char LT LT GN GN GN LT LT LT LT
Avg clouds SC SC FW SC SC SC FW FW SC SC SC FW SC SC SC FW SC SC
PoP 12hr 40 20 20 5 0 0 0 5 5
Rain shwrs C S S S S
Tstms C S S S
$$
PRODUCT KEY...
--- Cloud Cover ---
CODE PERCENTAGE SKY COVER DAY/NIGHT
CL 0 TO <=5 percent Sunny/Clear
FW >5 TO <=25 percent Sunny/Mostly Clear
SC >25 TO <=50 percent Partly Cloudy
B1 >50 TO <=69 percent Mostly Cloudy
B2 >69 TO <=87 percent Mostly Cloudy
OV >87 TO 100 percent Cloudy
--- Obstructions to Visibility --- --- Weather Coverage ---
CODE TYPE CODE QUALIFYING TERM
F Fog S Slight
PF Patchy Fog C Chance
F+ Dense Fog L Likely
PF+ Patchy Dense Fog O Occasional
H Haze D Definite
BS Blowing Snow
K Smoke
BD Blowing Dust
AF Volcanic Ashfall
--- Extended Wind Forecast Character ---
12-HR MAX SUSTAINED
CODE WIND CHARACTER WIND SPEED
LT Light < 8 mph
GN Gentle 8-14 mph
BZ Breezy 15-22 mph
WY Windy 23-30 mph
VW Very Windy 31-39 mph
SD Strong/Damaging >=40 mph