WeatherToronto
CA

Toronto Temperature Markets on Polymarket

2 live events
Highest temperature in Toronto on July 23?$34.7K vol · resolves 23:59 local · source: CYYZPolymarket|Resolution source
PEAK 12–16 · 3H 29M LEFT12:31 LOCAL · 2026-07-23
CONDITIONS · METAR + ECMWF · UPDATED 12:00
W 4.6 m/s
WIND
38% RH
DEW POINT 9°
FEW · 862 W/m²
CLOUD · SOLAR · SETS 20:51
DRY
PRECIP 1% TODAY
PACE TO NEXT BUCKET · 23°CUNDER PACE · FAVORS 22°C
+0.0°/h
RATE · SLOWING
+0.1°/h
NEEDED BY 16:00
Δ 0.5°
TO 22.5° BOUND
DATA STALE · OBS 2H 22M AGOAUTO-REFRESH 30S
Today — hourly observations vs ensemble
CYYZ resolution station · METAR DUE NOW · next ENS pull ~12:40 · all temps °C
22.0°
RUNNING MAX · SINCE 11:00
12.0°
MIN · 01:00
1216202421° · 0¢22° · 0¢23° · 0¢24° · 10¢25° · 52¢26° · 27¢RESOLVES 23:59 LOCALp90p10YDA MAX 22.0°DAY MAX 22.0° · 11:00NOW 12:31000306091215182124
Station obsForecast p50ECMWF p10–90 · 51 membersYesterday (final 22.0°)Running day maxΔ VS YESTERDAY · +3.0°AT 12:00
— Bucket scale — model vs marketPROCLOB 12:31 · ECMWF ensemble · edge ≥ 15 pts
Σ market 91¢ · ECMWF 51 members · sparkline = bucket price today · preview bucket ruleEDGE = model − market (+ model sees more · − market rich) · highlight ≥ 15 pts
— Station map1 sensors · refresh 10m
Resolution station — CYYZ
Nearby sensors — PWS network
~2 KM
Live sensors — MapLibre GL · OpenFreeMap dark tiles ship next iteration
— Next days — ensemble spread & early markets1 live events · early edge where spread is wide
— Model track record · TorontoScored daily · morning run vs resolution extract · since 2026-07-19
0%
LEADER HIT RATE · 4D
0 of 4 days
0.89
BRIER SCORE · MODEL
lower is better · 0 = clairvoyant
21°C @ 47%22.0°C✗ MISS
YESTERDAY · FORECAST VS FACT
actual bucket 22°C
LAST 4 DAYS · LEADER BUCKET HIT
We publish the scorecard because a forecast you cannot audit is just marketing. Bias calibration lands after 2–3 weeks of history — these are raw-model numbers.
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Weather data: METAR · Weather Underground · Open-Meteo ECMWF ensemble. Prices: Polymarket. Model probabilities use a preview bucket rule pending full verification on resolved markets. Past performance does not guarantee future results.
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