Daily results

How Kalshi's weather cities settled on Sun, Sep 20, 2026

Every city's official high, the bracket that won, and whether the market's favorite came in. Each city's day runs midnight to midnight local standard time. On the rare day the weather service and Kalshi's source differ, the row says so.

Updated Oct 20, 11:51 PM EDT.

  • 24 of 24 cities settled.
  • Warmest against normal: Louisville, 95°F (+14°).
  • Coolest against normal: San Francisco, 64°F (−11°).
  • 13 of 24 cities ran above their normal high.

Streaks and records

  • On a run above normal: Dallas 49 days, Austin 37 days, Los Angeles 14 days, Oklahoma City 10 days.
  • On a run below normal: San Francisco 6 days, Chicago 3 days, Minneapolis 3 days, Seattle 3 days.
  • Within 3° of the record for the date: Louisville 95° (record 96°), Phoenix 104° (record 107°).
  • The market's favorite at the start of the day settled in 9 of 24 cities with prices stored.

From each station's NWS climate reports (via the Iowa Environmental Mesonet) and Kalshi's settlements and stored prices. Facts about this day, not forecasts.

All 24 cities

NWS climate reports via IEM10 days ago, fetched Oct 20, 11:51 PM EDTKalshi settlements39 days ago, settled Sep 21, 10:20 AM EDT
CityOfficial highvs normalWinning bracket
AtlantaHartsfield-Jackson · KATL89°+6°normal 83°88° to 89°✓ favorite came in
AustinAustin-Bergstrom · KAUS98°+8°normal 90°97° to 98°Upset: favorite was 99° to 100° (49¢)
BostonLogan · KBOS63°−9°normal 72°62° to 63°✓ favorite came in
ChicagoMidway · KMDW69°−6°normal 75°69° to 70°✓ favorite came in
DallasDFW Airport · KDFW96°+9°normal 87°96° or belowUpset: favorite was 97° to 98° (45¢)
DenverDenver International · KDEN74°−4°normal 78°73° to 74°✓ favorite came in
HoustonHobby · KHOU94°+5°normal 89°93° to 94°Upset: favorite was 95° to 96° (46¢)
Las VegasHarry Reid International · KLAS95°+2°normal 93°94° to 95°✓ favorite came in
Los AngelesLAX · KLAX78°+2°normal 76°78° to 79°Upset: favorite was 76° to 77° (52¢)
LouisvilleLouisville International · KSDF95°+14°normal 81°94° to 95°✓ favorite came in
MiamiMiami International · KMIA90°+1°normal 89°90° to 91°Upset: favorite was 88° to 89° (46¢)
MinneapolisMinneapolis-St. Paul International · KMSP66°−5°normal 71°65° to 66°Upset: favorite was 69° to 70° (40¢)
New OrleansLouis Armstrong International · KMSY91°+3°normal 88°91° to 92°Upset: favorite was 93° to 94° (55¢)
New York CityCentral Park · KNYC69°−6°normal 75°70° or below✓ favorite came in
NewarkNewark Liberty · KEWR71°−5°normal 76°71° to 72°Upset: favorite was 70° or below (46¢)
Oklahoma CityWill Rogers · KOKC94°+12°normal 82°94° to 95°Upset: favorite was 89° or below (28¢)
PhiladelphiaPhiladelphia International · KPHL78°0°normal 78°77° to 78°✓ favorite came in
PhoenixSky Harbor · KPHX104°+5°normal 99°103° to 104°Upset: favorite was 101° to 102° (62¢)
San AntonioSan Antonio International · KSAT94°+5°normal 89°95° or below✓ favorite came in
San DiegoSan Diego International · KSAN77°0°normal 77°77° to 78°Upset: favorite was 75° to 76° (49¢)
San FranciscoSFO · KSFO64°−11°normal 75°64° or belowUpset: favorite was 65° to 66° (43¢)
SeattleSea-Tac · KSEA70°−1°normal 71°70° to 71°Upset: favorite was 69° or below (63¢)
TrentonTrenton-Mercer · KTTN73°−3°normal 76°72° to 73°Upset: favorite was 74° to 75° (44¢)
Washington DCReagan National · KDCA84°+5°normal 79°84° to 85°Upset: favorite was 82° to 83° (33¢)

Source: NWS Daily Climate Reports, via the Iowa Environmental Mesonet; Kalshi settlements (public market data); The Weather Company, the settlement source since Aug 14, 2026

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Share card: How Kalshi's 24 weather cities settled on Sun, Sep 20

Every settled day

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Polymarket, the same day

How Polymarket's daily temperature markets settled: its own stations, its own reading (the highest hourly report), so a city can come out apart from Kalshi.

US cities
CityPolymarket's rangeStationBeside Kalshi
Atlanta88-89°FKATLholds Kalshi's high
Austin96-97°FKAUScame out apart
Chicago70-71°FKORDcame out apart
Dallas96-97°FKDALholds Kalshi's high
Denver74-75°FKBKFholds Kalshi's high
Houston92-93°FKHOUcame out apart
Los Angeles76-77°FKLAXcame out apart
Miami88-89°FKMIAcame out apart
New York City72-73°FKLGAcame out apart
San Francisco64-65°FKSFOholds Kalshi's high
Seattle70-71°FKSEAholds Kalshi's high