Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 302122
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
522 PM EDT MON JUN 30 2025
...................................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JUNE 30 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 92 3:40 PM 100 1959 89 3 97
MINIMUM 76 5:41 AM 50 1919 71 5 78
AVERAGE 84 80 4 88
PRECIPITATION (IN)
TODAY 0.00 1.65 1921 0.15 -0.15 0.15
MONTH TO DATE 5.48 4.20 1.28 1.15
SINCE JUN 1 5.48 4.20 1.28 1.15
SINCE JAN 1 23.52 20.33 3.19 19.69
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 JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 14.9 13.7 1.2 8.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 8 2 6 0
SINCE JUN 1 8 2 6 0
SINCE JUL 1 3299 3768 -469 3159
COOLING
TODAY 19 15 4 23
MONTH TO DATE 374 343 31 450
SINCE JUN 1 374 343 31 450
SINCE JAN 1 575 510 65 675
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 7.7
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 5:00 AM
LOWEST 60 4:00 PM
AVERAGE 76
..........................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 102 1901
MINIMUM TEMPERATURE (F) 71 54 1923
1925
1988
SUNRISE AND SUNSET
JUNE 30 2025..........SUNRISE 5:46 AM EDT SUNSET 8:37 PM EDT
JULY 1 2025..........SUNRISE 5:47 AM EDT SUNSET 8:37 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$