344
CDUS41 KLWX 270629
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
229 AM EDT MON OCT 27 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 26 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 62 3:33 PM 84 2023 64 -2 69
MINIMUM 35 6:25 AM 26 1972 41 -6 43
1987
1988
AVERAGE 49 53 -4 56
PRECIPITATION (IN)
YESTERDAY 0.00 1.76 1977 0.11 -0.11 0.00
MONTH TO DATE 0.97 3.10 -2.13 0.13
SINCE SEP 1 2.19 7.04 -4.85 3.40
SINCE JAN 1 26.83 36.26 -9.43 29.18
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 16 12 4 9
MONTH TO DATE 189 216 -27 174
SINCE SEP 1 196 261 -65 186
SINCE JUL 1 198 262 -64 188
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 12 19 -7 14
SINCE SEP 1 182 171 11 151
SINCE JAN 1 1330 1227 103 1565
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 0.7
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 6:00 AM
LOWEST 36 2:00 PM
AVERAGE 68
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 84 1963
MINIMUM TEMPERATURE (F) 41 21 1988
SUNRISE AND SUNSET
OCTOBER 27 2025.......SUNRISE 7:32 AM EDT SUNSET 6:15 PM EDT
OCTOBER 28 2025.......SUNRISE 7:33 AM EDT SUNSET 6:13 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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