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KIAD · 2026-10-14 - NWS CLI
CLIIAD · 워싱턴 D.C. · America/New_York · ← 2026-10-13 · 2026-10-15 → · All dates for KIAD · JSON · METAR-derived record
Settlement value - latest final issue
finalFinal issued 2026-10-15 02:20:00 EDT · Product id iem:CDUS41-KLWX-150620:IAD:2026-10-14:final · IEM archive
Every issue for this date, as received
final2026-10-15 02:20:00 EDT · KLWX · CDUS41 KLWX 150620 · 89°F / 63°F / 0 in (T)
Product id iem:CDUS41-KLWX-150620:IAD:2026-10-14:final · iem-afos · IEM archive
SHA-256 92cfbc63b3e525ff35953a478b134e77a098a8e30533d33396080fc407601fcd
Product text
CDUS41 KLWX 150620
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
220 AM EDT THU OCT 15 2026
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 14 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 89R 3:36 PM 86 1975 69 20 67
MINIMUM 63 5:54 AM 23 1988 46 17 55
AVERAGE 76 57 19 61
PRECIPITATION (IN)
YESTERDAY T 1.61 1995 0.11 -0.11 0.09
MONTH TO DATE 3.27 1.69 1.58 0.43
SINCE SEP 1 7.07 5.63 1.44 1.65
SINCE JAN 1 36.47 34.85 1.62 26.29
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 0 8 -8 4
MONTH TO DATE 34 90 -56 57
SINCE SEP 1 55 135 -80 64
SINCE JUL 1 55 136 -81 66
COOLING
YESTERDAY 11 1 10 0
MONTH TO DATE 35 19 16 12
SINCE SEP 1 259 171 88 182
SINCE JAN 1 1539 1227 312 1330
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 6.6
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 5:00 AM
LOWEST 47 1:00 PM
AVERAGE 70
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 88 1989
MINIMUM TEMPERATURE (F) 46 28 1987
SUNRISE AND SUNSET
OCTOBER 15 2026.......SUNRISE 7:19 AM EDT SUNSET 6:31 PM EDT
OCTOBER 16 2026.......SUNRISE 7:20 AM EDT SUNSET 6:30 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$interim 0500 PM2026-10-14 17:29:00 EDT · KLWX · CDUS41 KLWX 142129 · 89°F / 63°F / 0 in
Product id iem:CDUS41-KLWX-142129:IAD:2026-10-14:interim · iem-afos · IEM archive
SHA-256 7a1171454630b6d88329fd9fb3d40f77a15000b91b2cdb91de2c6ed8aa7825cd
Product text
CDUS41 KLWX 142129
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
529 PM EDT WED OCT 14 2026
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 14 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 89R 3:36 PM 86 1975 69 20 67
MINIMUM 63 5:54 AM 23 1988 46 17 55
AVERAGE 76 57 19 61
PRECIPITATION (IN)
TODAY 0.00 1.61 1995 0.11 -0.11 0.09
MONTH TO DATE 3.27 1.69 1.58 0.43
SINCE SEP 1 7.07 5.63 1.44 1.65
SINCE JAN 1 36.47 34.85 1.62 26.29
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 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
TODAY 0 8 -8 4
MONTH TO DATE 34 90 -56 57
SINCE SEP 1 55 135 -80 64
SINCE JUL 1 55 136 -81 66
COOLING
TODAY 11 1 10 0
MONTH TO DATE 35 19 16 12
SINCE SEP 1 259 171 88 182
SINCE JAN 1 1539 1227 312 1330
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 6.5
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 5:00 AM
LOWEST 47 1:00 PM
AVERAGE 70
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 88 1989
MINIMUM TEMPERATURE (F) 46 28 1987
SUNRISE AND SUNSET
OCTOBER 14 2026.......SUNRISE 7:18 AM EDT SUNSET 6:33 PM EDT
OCTOBER 15 2026.......SUNRISE 7:19 AM EDT SUNSET 6:31 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$How to cite this page in market rules
Settlement source: the final NWS Climatological Report (CLI) for station KIAD for the contract date, as archived verbatim at https://weathermarket.io/nws-cli/KIAD/2026-10-14 with links to the NWS product and the IEM archive. A CORRECTED re-issue published before the settlement time supersedes earlier issues.
The settlement value for a date is the latest final CLI issued for that date; a corrected re-issue supersedes earlier issues. Interim same-day products never settle. This is the same rule that fills values.nwsOfficial in /api/station/{icao}/daily.
Every issue is stored verbatim as received - nothing is edited or re-derived. Products are held from 2026-09-01 (backfilled from the IEM AFOS archive) and ingested live from api.weather.gov since 2026-11-10, polled every 30 minutes. A date with no final CLI 14 hours after local midnight is reported as not_issued rather than filled in.