Climatological Report (Daily)
Issued by NWS
Issued by NWS
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902
CDUS42 KCHS 212109
CLICXM
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
509 PM EDT FRI AUG 21 2026
...................................
...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR AUGUST 21 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1870 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 90 1140 AM 99 1900 86 4 90
MINIMUM 83 510 AM 66 1930 76 7 76
1961
AVERAGE 87 81 6 83
PRECIPITATION (IN)
TODAY 0.00 2.56 1941 0.19 -0.19 0.00
MONTH TO DATE 2.07 4.01 -1.94 5.20
SINCE JUN 1 8.80 13.94 -5.14 11.60
SINCE JAN 1 15.46 27.63 -12.17 23.31
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 22 16 6 18
MONTH TO DATE 417 351 66 337
SINCE JUN 1 1510 1315 195 1440
SINCE JAN 1 1994 1702 292 1955
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 6.9
..........................................................
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 98 1983
MINIMUM TEMPERATURE (F) 76 65 1930
SUNRISE AND SUNSET
AUGUST 21 2026........SUNRISE 647 AM EDT SUNSET 758 PM EDT
AUGUST 22 2026........SUNRISE 648 AM EDT SUNSET 757 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$