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Chicago (KORD) is currently 84°F. Today's high so far is 90°F (reached 04:51 local). Yesterday's high was 95°F (today is cooler by 5°).
Latest KORD METAR: METAR KORD 040151Z 00000KT 10SM FEW100 FEW250 29/22 A2993 RMK AO2 SLP127 T02890217
Chicago's continental climate swings sharply, and lake-breeze days can cap O'Hare's high; we track the 5-minute ASOS, ahead of the hourly METAR. polyweather.today tracks minute-by-minute runway temperatures from Chicago O'Hare Int'l (KORD) (KORD) — the same sensors behind the official METAR — and turns the trend into a next-METAR nowcast, so you can read where Chicago's temperature is heading before the next METAR prints.
A METAR is the airport's official routine weather observation (the TAF is the matching forecast). Chicago O'Hare Int'l (KORD) issues a new KORD METAR roughly every 30–60 minutes, and daily-high temperature markets settle on those reports. The latest raw KORD METAR is shown at the top of this page, the board lists recent reports with decoded temperatures, and between two reports the minute-level runway feed shows where the next METAR is heading.
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Want to know exactly how Chicago's temperature market settles (which station, what precision, what rounding)? See how each city settles →
View-only data — not betting or financial advice.