FOUS52 KCHS 182136 PFMCHS Point Forecast Matrices National Weather Service Charleston SC 536 PM EDT Mon May 18 2026 SCZ150-190800- Charleston International Airport-Charleston SC 32.91N 80.03W Elev. 45 ft 536 PM EDT Mon May 18 2026 Date 05/18/26 Tue 05/19/26 Wed 05/20/26 Thu 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 66 88 66 90 70 Temp 77 72 69 67 70 82 86 86 79 72 69 67 70 82 88 88 81 73 72 70 73 Dewpt 66 66 66 65 68 66 64 64 65 66 66 66 68 67 65 66 67 68 69 68 71 RH 69 81 90 93 93 58 48 48 62 81 90 97 93 61 47 48 63 84 90 93 93 Wind dir SE SE N N N SE SE SE SE SE N N N S SE S S S S N N Wind spd 9 5 0 0 0 5 10 12 9 4 0 0 0 2 9 12 10 6 4 0 0 Clouds CL FW FW SC B1 FW FW CL CL FW FW SC SC FW SC FW FW FW FW FW FW PoP 12hr 0 0 0 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 90 90 Max heat 90 92 Coast Flood Y Date 05/21 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 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 90 71 87 73 87 73 87 72 87 Temp 88 81 73 73 85 80 74 74 85 81 74 74 85 80 74 73 84 80 Dewpt 67 69 70 71 69 69 70 71 70 70 71 72 70 70 71 71 70 70 PWind dir S SE SE SE SE S S S S Wind char GN LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC B1 B1 SC SC B1 B1 SC B1 B1 B1 B1 B1 B1 B1 PoP 12hr 10 10 40 20 40 20 40 20 40 Rain shwrs C C S S C C S C C S C C Tstms S C S S C S C S C $$ GAZ218-190800- Savannah International Airport-Inland Chatham GA 32.12N 81.20W Elev. 50 ft 536 PM EDT Mon May 18 2026 Date 05/18/26 Tue 05/19/26 Wed 05/20/26 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 87 67 89 70 Temp 78 72 69 67 70 81 86 86 80 72 69 67 69 82 87 88 82 74 72 70 72 Dewpt 67 67 66 65 67 68 66 66 67 67 66 65 67 68 67 67 69 70 68 68 69 RH 69 84 90 93 90 65 51 51 65 84 90 93 93 63 52 50 65 87 87 93 90 Wind dir SE SE E N E E SE SE SE SE N N N SE SE SE SE SE S S N Wind spd 8 3 1 0 1 4 9 10 8 2 0 0 0 2 6 10 8 3 2 1 0 Clouds FW FW FW SC SC FW FW CL CL FW SC B1 B1 SC SC FW FW FW FW FW SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 90 91 Max heat 90 92 Date 05/21 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 72 87 73 87 73 88 73 87 Temp 88 82 73 74 86 82 74 74 85 82 75 74 86 82 74 74 85 81 Dewpt 68 70 69 69 71 71 70 70 72 72 70 70 72 72 70 70 71 71 PWind dir SE SE SE SE SE SE SE SE SE Wind char LT LT GN LT LT LT LT LT LT Avg clouds FW FW FW FW SC SC SC SC B1 B1 SC SC B1 B1 B1 SC B1 B1 PoP 12hr 10 5 20 10 40 10 40 10 40 Rain shwrs S S C C C C C C Tstms S S C C S C $$ SCZ150-190800- Charleston Waterfront-Charleston SC 32.78N 79.94W Elev. 10 ft 536 PM EDT Mon May 18 2026 Date 05/18/26 Tue 05/19/26 Wed 05/20/26 Thu 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 85 71 87 73 Temp 77 74 71 71 72 82 84 84 79 73 72 71 72 83 86 86 80 75 74 73 75 Dewpt 70 68 68 67 69 69 70 69 68 68 68 68 69 70 71 70 71 71 71 70 72 RH 79 82 90 87 90 65 63 61 69 84 87 90 90 65 61 59 74 87 90 90 90 Wind dir SE SE SE SE E SE SE SE SE SE S N N S SE S S S S SW SW Wind spd 6 4 2 1 1 5 9 10 6 3 2 0 0 3 9 10 6 4 3 2 1 Clouds FW FW FW SC SC FW FW CL FW FW FW SC FW FW FW SC FW FW FW SC FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 91 91 Max heat 91 93 Coast Flood Y Date 05/21 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 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 74 85 75 85 74 85 74 85 Temp 86 80 75 75 84 80 76 76 84 81 76 76 85 80 75 76 84 80 Dewpt 73 72 71 71 73 72 72 72 74 73 72 72 74 73 72 72 74 72 PWind dir S SE SE SE SE S S S S Wind char LT LT GN LT GN LT GN LT GN Avg clouds FW FW FW SC B1 SC SC SC B1 SC SC B1 B1 B1 B1 B1 B1 SC PoP 12hr 5 20 30 20 30 20 40 20 40 Rain shwrs S C S S S C S S C C S C C Tstms S S S S S S S C S C $$ SCZ148-190800- Beaufort Marine Corps Air Station-Beaufort SC 32.48N 80.72W Elev. 37 ft 536 PM EDT Mon May 18 2026 Date 05/18/26 Tue 05/19/26 Wed 05/20/26 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 87 68 89 72 Temp 78 73 70 68 71 82 86 86 80 72 70 68 70 82 87 88 81 74 72 72 74 Dewpt 68 68 66 66 67 68 68 68 68 68 66 66 68 69 68 69 70 70 69 69 70 RH 71 84 87 93 87 63 55 55 67 87 87 93 93 65 53 54 69 87 90 90 87 Wind dir SE SE SE N E E SE SE SE SE N N N SE SE SESE S S S N Wind spd 6 3 1 0 1 4 9 9 6 2 0 0 0 2 8 10 6 3 2 1 0 Clouds FW FW FW FW SC FW FW CL CL FW SC SC B1 FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 91 92 Max heat 91 94 Date 05/21 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 73 87 73 87 74 87 73 87 Temp 88 82 74 75 85 81 75 75 85 82 75 75 86 81 75 74 85 81 Dewpt 70 71 70 70 72 71 70 70 73 72 71 71 73 72 70 70 73 72 PWind dir SE SE SE SE SE SE SE S S Wind char LT LT GN LT LT LT LT LT LT Avg clouds FW FW FW FW SC SC SC SC B1 B1 SC SC B1 B1 SC SC B1 B1 PoP 12hr 10 5 30 10 30 20 40 10 40 Rain shwrs C S C C S C C C C Tstms S S C C S C $$ SCZ043-190800- Walterboro-Inland Colleton SC 32.91N 80.67W Elev. 98 ft 536 PM EDT Mon May 18 2026 Date 05/18/26 Tue 05/19/26 Wed 05/20/26 Thu 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 62 90 63 91 66 Temp 78 69 64 62 66 82 88 89 80 69 65 63 66 82 89 90 82 71 68 66 69 Dewpt 65 64 63 61 65 66 61 62 64 64 63 61 65 66 60 62 66 66 65 64 68 RH 64 84 97 97 97 58 40 41 58 84 93 93 97 58 38 39 58 84 90 93 97 Wind dir SE N N N N SE SE SE SE N N N N N SE S S S N N N Wind spd 6 0 0 0 0 3 6 10 8 0 0 0 0 0 4 10 8 4 0 0 0 Clouds FW FW FW SC B1 FW CL CL CL FW FW SC B1 SC SC FW FW FW FW SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 90 Max heat 91 Date 05/21 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 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 91 67 88 68 88 68 89 68 88 Temp 89 81 70 70 85 81 70 71 86 82 71 71 86 81 70 70 86 81 Dewpt 63 68 65 68 66 69 66 68 68 70 67 69 68 70 66 68 67 70 PWind dir S SE SE SE SE SE SE S S Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC FW SC B1 B1 SC SC B1 B1 SC B1 B1 B1 B1 B1 B1 B2 PoP 12hr 20 10 40 10 40 20 40 10 60 Rain shwrs S C C C C S C C C L Tstms S C S C C S C $$ GAZ099-190800- Metter-Candler GA 32.40N 82.06W Elev. 197 ft 536 PM EDT Mon May 18 2026 Date 05/18/26 Tue 05/19/26 Wed05/20/26 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 91 64 91 67 Temp 80 71 66 64 67 80 88 91 84 72 67 65 67 81 89 91 84 75 69 67 70 Dewpt 63 65 65 64 66 66 63 61 64 66 65 65 66 66 61 60 64 66 66 67 68 RH 56 81 97100 97 62 43 37 51 81 93100 97 60 39 36 51 74 90100 93 Wind dir SE SE SE E E SE E SE SE SE S N N S SE SE SE SE S S S Wind spd 9 4 2 1 2 3 5 8 9 4 1 0 0 2 4 5 6 4 3 2 1 Clouds CL CL FW SC SC FW CL CL FW FW B1 B1 B1 FW SC FW SC FW FW FW FW PoP 12hr 0 5 0 10 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF PF Heat index 91 91 Max heat 91 91 Date 05/21 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 68 90 69 89 69 89 69 89 Temp 89 84 72 71 87 83 72 71 87 83 72 71 87 82 72 71 86 82 Dewpt 63 67 68 68 66 69 68 69 68 71 69 70 68 71 69 69 68 71 PWind dir S SE SE SE S SE SE SE SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC SC SC B1 B1 SC SC B1 B1 B1 SC B1 B1 B1 B1 B2 B2 PoP 12hr 20 20 40 10 40 20 50 20 60 Rain shwrs S S S C C S S C S S L Tstms S C C S C S C $$ 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