Station-day record · settlement source
Washington D.C. · America/New_York · ← 2026-10-02 · 2026-10-04 → · All dates for KIAD · JSON
METAR KIAD 030452Z 02006KT 10SM -RA SCT055 SCT070 OVC090 20/17 A3010 RMK AO2 SLP189 P0004 T02000172 403170156 $
METAR KIAD 031352Z 36007KT 10SM -RA FEW040 SCT070 BKN110 OVC140 14/11 A3025 RMK AO2 SLP241 P0002 T01440106 $
Local day 2026-10-03 00:00 EDT → 2026-10-04 00:00 EDT (24 h, UTC-04:00) · 25 reports · longest gap 60 min
High 68°F (20°C) · Low 57°F (13.89°C) · NWS CLI archive
US markets usually settle on the official NWS daily climate value (CLI), which is archived separately; the two values can differ by about a degree and are shown side by side.
final at 2026-10-04 03:00 EDT · correction hold 3 h after local midnight
longest gap 60 min · limit 90 min
SHA-256 179122f2bae04c8d0ffea36d2b288b75f286e8aa6b3fc8e7509c8d58806e919b
Transaction 0x8fde11b4e9776b4ddf938f9f1f28aee4ac481531ea312cbaea26e516c150267d · 2026-10-04 03:01 EDT
GET the record bytes, SHA-256 them, and call SnapshotAnchor.isAnchored(sha256) on Flare - the anchored record is the one to settle on
Canonical record bytes (hash these) · SnapshotAnchor 0x2B598129… (chain 14)
good 25 · suspect 0 · bad 0 · High good · Low good
Flags are attached beside the anchored record and are not part of its bytes; the record's extremes are unchanged. A suspect extreme is usable but worth checking against the raw text (extremes.*.reasons); a bad report is physically impossible and excludingBad shows the extremes without it.
| Time | Type | Temp °C | Dew °C | Wind m/s | Raw report |
|---|---|---|---|---|---|
| 2026-10-03 00:52 EDT | METAR | 20°max | 17.2° | 3.1 | METAR KIAD 030452Z 02006KT 10SM -RA SCT055 SCT070 OVC090 20/17 A3010 RMK AO2 SLP189 P0004 T02000172 403170156 $ |
| 2026-10-03 01:52 EDT | METAR | 20° | 17.2° | 2.6 | METAR KIAD 030552Z 04005KT 10SM BKN036 BKN075 OVC095 20/17 A3010 RMK AO2 RAE04 SLP191 P0000 60006 T02000172 10239 20194 51011 $ |
| 2026-10-03 02:52 EDT | METAR | 20° | 16.1° | 4.1 | METAR KIAD 030652Z 34008KT 10SM FEW029 OVC036 20/16 A3011 RMK AO2 RAB14E26 SLP194 P0000 T02000161 $ |
| 2026-10-03 03:52 EDT | METAR | 16.7° | 11.1° | 6.7 | METAR KIAD 030752Z 02013G24KT 9SM -RA FEW023 BKN031 OVC060 17/11 A3013 RMK AO2 RAB06 SLP199 P0005 T01670111 $ |
| 2026-10-03 04:52 EDT | METAR | 16.1° | 10° | 5.1 | METAR KIAD 030852Z 01010KT 10SM FEW022 BKN035 OVC110 16/10 A3016 RMK AO2 RAE52 SLP209 P0000 60005 T01610100 53018 $ |
| 2026-10-03 05:52 EDT | METAR | 15° | 10° | 4.1 | METAR KIAD 030952Z 03008KT 10SM -RA OVC100 15/10 A3017 RMK AO2 RAB04 SLP214 P0000 T01500100 $ |
| 2026-10-03 06:52 EDT | METAR | 15° | 10.6° | 3.1 | METAR KIAD 031052Z 02006KT 10SM -RA BKN095 OVC140 15/11 A3019 RMK AO2 RAE21B50 SLP223 P0000 T01500106 $ |
| 2026-10-03 07:52 EDT | METAR | 15.6° | 10.6° | 3.1 | METAR KIAD 031152Z 35006KT 10SM SCT070 OVC100 16/11 A3022 RMK AO2 RAE45 SLP232 P0000 60005 70029 T01560106 10200 20150 53021 $ |
| 2026-10-03 08:52 EDT | METAR | 15° | 10° | 5.1 | METAR KIAD 031252Z 36010KT 10SM -RA FEW040 SCT095 BKN120 OVC150 15/10 A3024 RMK AO2 RAB1153 SLP238 P0000 T01500100 $ |
| 2026-10-03 09:52 EDT | METAR | 14.4°min | 10.6° | 3.6 | METAR KIAD 031352Z 36007KT 10SM -RA FEW040 SCT070 BKN110 OVC140 14/11 A3025 RMK AO2 SLP241 P0002 T01440106 $ |
| 2026-10-03 10:52 EDT | METAR | 14.4° | 10.6° | 3.1 | METAR KIAD 031452Z 02006KT 10SM FEW040 SCT090 SCT120 BKN180 14/11 A3027 RMK AO2 RAE28 SLP249 P0002 60004 T01440106 53017 $ |
| 2026-10-03 11:52 EDT | METAR | 15.6° | 10.6° | 3.6 | METAR KIAD 031552Z 04007KT 10SM FEW025 BKN065 OVC110 16/11 A3026 RMK AO2 SLP246 T01560106 $ |
| 2026-10-03 12:52 EDT | METAR | 16.1° | 10.6° | 1.5 | METAR KIAD 031652Z 06003KT 10SM FEW025 BKN055 BKN070 OVC140 16/11 A3026 RMK AO2 SLP245 T01610106 $ |
| 2026-10-03 13:52 EDT | METAR | 16.7° | 10° | 2.6 | METAR KIAD 031752Z VRB05KT 10SM -RA FEW025 SCT050 BKN080 BKN140 17/10 A3026 RMK AO2 RAB51 SLP245 P0000 60004 T01670100 10167 20139 56004 $ |
| 2026-10-03 14:52 EDT | METAR | 17.2° | 9.4° | 0 | METAR KIAD 031852Z 00000KT 10SM FEW025 SCT060 BKN080 BKN130 17/09 A3025 RMK AO2 RAE00 SLP240 P0000 T01720094 $ |
| 2026-10-03 15:52 EDT | METAR | 17.2° | 11.1° | 2.1 | METAR KIAD 031952Z 05004KT 10SM FEW030 BKN070 BKN100 BKN150 17/11 A3023 RMK AO2 SLP234 T01720111 $ |
| 2026-10-03 16:52 EDT | METAR | 17.2° | 11.1° | 0 | METAR KIAD 032052Z 00000KT 10SM BKN055 BKN100 BKN150 17/11 A3023 RMK AO2 SLP237 60000 T01720111 55008 $ |
| 2026-10-03 17:52 EDT | METAR | 17.2° | 12.2° | 2.1 | METAR KIAD 032152Z 08004KT 10SM BKN055 BKN100 17/12 A3023 RMK AO2 SLP237 T01720122 $ |
| 2026-10-03 18:52 EDT | METAR | 17.2° | 12.2° | 0 | METAR KIAD 032252Z 00000KT 10SM SCT055 BKN095 17/12 A3024 RMK AO2 RAB42E52 SLP238 P0000 T01720122 $ |
| 2026-10-03 19:52 EDT | METAR | 16.1° | 13.9° | 0 | METAR KIAD 032352Z 00000KT 10SM BKN050 BKN100 16/14 A3025 RMK AO2 SLP241 60000 T01610139 10178 20161 53004 $ |
| 2026-10-03 20:52 EDT | METAR | 16.1° | 13.9° | 0 | METAR KIAD 040052Z 00000KT 10SM -RA BKN048 BKN085 16/14 A3025 RMK AO2 RAB46 SLP244 P0000 T01610139 $ |
| 2026-10-03 21:52 EDT | METAR | 16.1° | 13.9° | 0 | METAR KIAD 040152Z 00000KT 10SM SCT028 BKN046 BKN085 16/14 A3026 RMK AO2 RAE0056 SLP245 P0000 T01610139 $ |
| 2026-10-03 22:52 EDT | METAR | 16.1° | 13.9° | 0 | METAR KIAD 040252Z 00000KT 10SM BKN024 OVC045 16/14 A3026 RMK AO2 SLP245 60000 T01610139 51004 $ |
| 2026-10-03 23:40 EDT | SPECI | 16.1° | 13.9° | 0 | SPECI KIAD 040340Z 00000KT 10SM SCT023 SCT028 OVC041 16/14 A3025 RMK AO2 T01610139 $ |
| 2026-10-03 23:52 EDT | METAR | 16.1° | 14.4° | 0 | METAR KIAD 040352Z 00000KT 10SM BKN023 OVC039 16/14 A3025 RMK AO2 SLP243 T01610144 $ |
Settlement source: the METAR-derived station-day record for KIAD for the contract date (station-local calendar day), as published at https://weathermarket.io/station/KIAD/2026-10-03 with every observation used, the finality status and the Flare anchor of the record. The daily value is the extreme over the hourly and special METAR reports in that day; a short-lived peak between reports may be missed. If the record is not final and settleable by the resolution deadline, the market is flagged for review.
Station-day record: the daily extremes over every METAR observation (hourly plus special reports) received for the station's local calendar day - local midnight to local midnight, daylight saving applied. Temperatures are whole degrees Celsius as reported in METAR; a short-lived peak between reports can be missed. This is not a model or an aggregate - every value points at the report that produced it, and every report in the day is listed verbatim.
The settlement value is the daily maximum (or minimum) of this record once it is final: the local day has ended and the 3-hour correction hold has passed. A day whose longest gap between reports exceeds the station's normal interval plus 30 minutes is final but flagged not settleable - a market should treat it as a review case. Once final, the canonical record bytes are hashed (SHA-256) and the hash is written to the SnapshotAnchor contract on Flare; the anchored record is the settlement record even if reports change afterwards (matchesCurrent then reads false). US markets usually settle on the official NWS CLI value instead - see the NWS CLI archive for this station; both values are shown side by side.
Every METAR in the day is listed with its raw text; compare it with the independent archives linked under links.external (IEM ASOS archive, Ogimet).
GET links.record for the canonical record bytes, SHA-256 them and compare with anchor.sha256; call SnapshotAnchor.isAnchored(sha256) on Flare (anchor.contract, anchor.chainId) to confirm the hash is on-chain. anchor.explorer opens the anchoring transaction.
Permalink pattern for market rules: https://weathermarket.io/station/KIAD/YYYY-MM-DD (HTML) and https://weathermarket.io/api/station/KIAD/YYYY-MM-DD (JSON).