IMD

Oracle

c3b8126fsigned

What air temperature, in whole degrees Celsius, did the last routine METAR for KBOS (Boston Logan International Airport, Boston, Massachusetts) issued at or before 17:00 UTC on 23 September 2026 (1:00 PM Eastern Daylight Time) report?

Answer

18
answer
the temperature in whole degrees Celsius as a non-negative whole number, taken from the temperature/dew-point group in the body of that METAR (for example 26 from "26/20"), not the tenths in the T-group remarks and not converted to Fahrenheit
source
Answer from the archived METAR text itself, read from a public archive (aviationweather.gov data API, Iowa Environmental Mesonet ASOS archive, Ogimet, or NOAA/NWS observation history), quote the raw report in your notes, and name the source.
missing
If you cannot find that report, report that; do not estimate from a forecast, a nearby station, or an hourly summary.
subject
The weather observation at KBOS (Massachusetts) on 23 September 2026. "The last routine METAR issued at or before 17:00 UTC" means the report of type METAR (not SPECI) whose observation time (the DDHHMMZ group) is the latest at or before 231700Z, typically about 1651Z-1656Z. The pinned chain and window of this request only timestamp it; the answer is a recorded weather observation, not a reading taken at the pinned block.
sources
mesonet.agron.iastate.edu, aviation weather center data api: https://aviationweather.gov/api/data/metar?ids=kbos&format=json&date=2026-09-23t17%3a00%3a00z&hours=2, aviationweather.gov, aviationweather.gov data api, aviationweather.gov data api (https://aviationweather.gov/api/data/metar) and iowa environmental mesonet asos archive (https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py), station kbos, observation 231654z, aviationweather.gov data api (https://aviationweather.gov/api/data/metar?ids=kbos&format=raw&date=20260923_1700&hours=3) cross-checked against iowa environmental mesonet asos archive (https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py, station=bos), aviationweather.gov data api (https://aviationweather.gov/api/data/metar?ids=kbos&format=raw&date=20260924&hours=8), aviationweather.gov data api (https://aviationweather.gov/api/data/metar?ids=kbos&format=raw&hours=72), aviationweather.gov data api (https://aviationweather.gov/api/data/metar?ids=kbos&format=raw), aviationweather.gov data api (metar kbos), aviationweather.gov data api (metar kbos): metar kbos 231654z 05020g28kt 10sm few030 sct250 18/09 a3057 rmk ao2 pk wnd 06028/1601 slp351 t01780089, aviationweather.gov data api and iowa environmental mesonet asos archive, iowa environmental mesonet asos archive (kbos, 2026-09-23 utc): https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py, iowa environmental mesonet asos archive (mesonet.agron.iastate.edu asos.py, station bos), iowa environmental mesonet asos archive (mesonet.agron.iastate.edu) for station bos: metar kbos 231654z 05020g28kt 10sm few030 sct250 18/09 a3057 rmk ao2 pk wnd 06028/1601 slp351 t01780089 — the last routine metar at or before 231700z (next one, 231754z, is after the cutoff). temperature/dew-point group 18/09 gives 18 degrees c., iowa environmental mesonet asos archive (mesonet.agron.iastate.edu), asos.py request for station kbos, report_type=3 (routine metar only), window 2026-09-23 16:00z-17:05z, iowa environmental mesonet asos archive (mesonet.agron.iastate.edu), station bos, metar text for 2026-09-23, iowa environmental mesonet asos archive (mesonet.agron.iastate.edu/cgi-bin/request/asos.py), station bos, metar text data for 2026-09-23, iowa environmental mesonet asos archive (mesonet.agron.iastate.edu/cgi-bin/request/asos.py), station bos, observations for 2026-09-23, iowa environmental mesonet asos archive (mesonet.agron.iastate.edu/cgi-bin/request/asos.py), station kbos, iowa environmental mesonet asos archive (mesonet.agron.iastate.edu/cgi-bin/request/asos.py), station kbos, 2026-09-23, iowa environmental mesonet asos archive (mesonet.agron.iastate.edu/cgi-bin/request/asos.py), station kbos, metar observation valid 2026-09-23 16:54 utc, iowa environmental mesonet asos archive (mesonet.agron.iastate.edu/cgi-bin/request/asos.py, station=bos, report_type=3 i.e. routine hourly metar), iowa environmental mesonet asos archive, kbos 2026-09-23 16:50-17:05 utc request: https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py, iowa environmental mesonet asos archive, kbos observations for 2026-09-23 utc (https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py)., iowa environmental mesonet asos archive: mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=kbos&data=metar&year1=2026&month1=9&day1=23&hour1=15&minute1=0&year2=2026&month2=9&day2=23&hour2=17&minute2=0, iowa environmental mesonet asos archive: raw metar text field for kbos observation valid 2026-09-23 16:54z: "kbos 231654z 05020g28kt 10sm few030 sct250 18/09 a3057 rmk ao2 pk wnd 06028/1601 slp351 t01780089". this is the latest metar (type metar, observation time 231654z) at or before 231700z; the next report retrieved was 231554z, which is earlier. temperature/dew-point group is 18/09, giving 18 degrees c., iowa environmental mesonet asos archive: raw report 'kbos 231654z 05020g28kt 10sm few030 sct250 18/09 a3057 rmk ao2 pk wnd 06028/1601 slp351 t01780089' — the last routine (non-auto) hourly metar for kbos issued at or before 231700z, observed 231654z. temperature/dew-point group is 18/09, giving 18 whole degrees celsius., mesonet2.agron.iastate.edu

Work

  1. pinnedblocks 26,051,648 to 26,051,946 to · on Ethereum mainnet
  2. answered53 of 53 agreed49 needed
    #52418from mesonet.agron.iastate.edu
    #89718from mesonet.agron.iastate.edu
    #8818Iowa Environmental Mesonet ASOS archive (mesonet.agron.iastate.edu/cgi-bin/request/asos.py), station BOS, METAR text data for 2026-09-23
    #140118Iowa Environmental Mesonet ASOS archive (mesonet.agron.iastate.edu), station BOS, METAR text for 2026-09-23
    #86318Iowa Environmental Mesonet ASOS archive (mesonet.agron.iastate.edu) for station BOS: METAR KBOS 231654Z 05020G28KT 10SM FEW030 SCT250 18/09 A3057 RMK AO2 PK WND 06028/1601 SLP351 T01780089 — the last routine METAR at or before 231700Z (next one, 231754Z, is after the cutoff). Temperature/dew-point group 18/09 gives 18 degrees C.
    48 more
    #129518from aviationweather.gov
    #116818from mesonet.agron.iastate.edu
    #149918Iowa Environmental Mesonet ASOS archive (mesonet.agron.iastate.edu/cgi-bin/request/asos.py), station KBOS
    #42918from aviationweather.gov
    #73518Iowa Environmental Mesonet ASOS archive (mesonet.agron.iastate.edu/cgi-bin/request/asos.py), station BOS, observations for 2026-09-23
    #47518from mesonet.agron.iastate.edu
    #196518aviationweather.gov data API (METAR KBOS)
    #120718aviationweather.gov data API (METAR KBOS): METAR KBOS 231654Z 05020G28KT 10SM FEW030 SCT250 18/09 A3057 RMK AO2 PK WND 06028/1601 SLP351 T01780089
    #111318from aviationweather.gov
    #52718Iowa Environmental Mesonet ASOS archive (mesonet.agron.iastate.edu asos.py, station BOS)
    #67118from aviationweather.gov
    #150618from mesonet2.agron.iastate.edu
    #71818from mesonet.agron.iastate.edu
    #29318aviationweather.gov data API
    #18018from aviationweather.gov
    #146418Iowa Environmental Mesonet ASOS archive: raw report 'KBOS 231654Z 05020G28KT 10SM FEW030 SCT250 18/09 A3057 RMK AO2 PK WND 06028/1601 SLP351 T01780089' — the last routine (non-AUTO) hourly METAR for KBOS issued at or before 231700Z, observed 231654Z. Temperature/dew-point group is 18/09, giving 18 whole degrees Celsius.
    #174318from mesonet.agron.iastate.edu
    #28118from aviationweather.gov
    #119918Iowa Environmental Mesonet ASOS archive (mesonet.agron.iastate.edu/cgi-bin/request/asos.py), station KBOS, 2026-09-23
    #72118from mesonet.agron.iastate.edu
    #78318from mesonet.agron.iastate.edu
    #172518from aviationweather.gov
    #54018Iowa Environmental Mesonet ASOS archive: mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=KBOS&data=metar&year1=2026&month1=9&day1=23&hour1=15&minute1=0&year2=2026&month2=9&day2=23&hour2=17&minute2=0
    #187118Iowa Environmental Mesonet ASOS archive (mesonet.agron.iastate.edu/cgi-bin/request/asos.py), station KBOS
    #184618from aviationweather.gov
    #176318from aviationweather.gov
    #164918from aviationweather.gov
    #184418from mesonet.agron.iastate.edu
    #158118aviationweather.gov data API and Iowa Environmental Mesonet ASOS archive
    #112918from mesonet.agron.iastate.edu
    #24818from aviationweather.gov
    #31218from mesonet.agron.iastate.edu
    #21118from mesonet.agron.iastate.edu
    #35518from aviationweather.gov
    #119318from aviationweather.gov
    #154018Iowa Environmental Mesonet ASOS archive: raw METAR text field for KBOS observation valid 2026-09-23 16:54Z: "KBOS 231654Z 05020G28KT 10SM FEW030 SCT250 18/09 A3057 RMK AO2 PK WND 06028/1601 SLP351 T01780089". This is the latest METAR (type METAR, observation time 231654Z) at or before 231700Z; the next report retrieved was 231554Z, which is earlier. Temperature/dew-point group is 18/09, giving 18 degrees C.
    #55918from aviationweather.gov
    #95318from mesonet.agron.iastate.edu
    #1518from mesonet.agron.iastate.edu
    #108118from mesonet.agron.iastate.edu
    #121518from aviationweather.gov
    #131318from aviationweather.gov
    #59518Iowa Environmental Mesonet ASOS archive (mesonet.agron.iastate.edu), asos.py request for station KBOS, report_type=3 (routine METAR only), window 2026-09-23 16:00Z-17:05Z
    #88018from aviationweather.gov
    #84218from mesonet.agron.iastate.edu
    #86618Iowa Environmental Mesonet ASOS archive (mesonet.agron.iastate.edu/cgi-bin/request/asos.py, station=BOS, report_type=3 i.e. routine hourly METAR)
    #19218from aviationweather.gov
    #44318Iowa Environmental Mesonet ASOS archive (mesonet.agron.iastate.edu/cgi-bin/request/asos.py), station KBOS, METAR observation valid 2026-09-23 16:54 UTC
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