819
CDUS41 KLWX 152130
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
530 PM EDT FRI MAY 15 2026
...............................
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 15 2026
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 72 4:11 PM 94 1900 76 -4 79
1962
MINIMUM 52 3:32 AM 40 1939 58 -6 66
AVERAGE 62 67 -5 73
PRECIPITATION (IN)
TODAY 0.00 1.28 1949 0.13 -0.13 0.00
MONTH TO DATE 0.93 1.89 -0.96 4.45
SINCE MAR 1 4.38 8.60 -4.22 9.97
SINCE JAN 1 10.11 14.08 -3.97 14.76
SNOWFALL (IN)
TODAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE MAR 1 1.0 2.0 -1.0 0.0
SINCE JUL 1 10.6 13.7 -3.1 14.9
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 3 2 1 0
MONTH TO DATE 66 41 25 9
SINCE MAR 1 626 821 -195 521
SINCE JUL 1 3845 3744 101 3261
COOLING
TODAY 0 4 -4 8
MONTH TO DATE 18 43 -25 68
SINCE MAR 1 120 78 42 160
SINCE JAN 1 120 78 42 160
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 11.2
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 66 4:00 AM
LOWEST 37 4:00 PM
AVERAGE 52
......................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 93 1911
MINIMUM TEMPERATURE (F) 58 38 1920
SUNRISE AND SUNSET
MAY 15 2026...........SUNRISE 5:56 AM EDT SUNSET 8:14 PM EDT
MAY 16 2026...........SUNRISE 5:55 AM EDT SUNSET 8:15 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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