TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: May 28, 3:00 AM EST
Kalshi
On May 27, 2026, the National Weather Service will record the overnight low temperature in Phoenix, Arizona. This event captures the full range of possible minimum temperatures that could occur that day.
Prediction market odds on Kalshi reflect real-money traders' collective assessment of Phoenix's minimum temperature on May 27, 2026, often incorporating meteorological data and seasonal patterns faster than traditional analyst forecasts. While weather analysts rely on numerical models and historical climatology, prediction markets aggregate dispersed information through price discovery. Comparing market-implied probabilities to National Weather Service outlooks or climate models can reveal where traders see edge or disagreement with consensus forecasts, particularly as the event date draws closer and more data becomes available.
Several factors could shift odds for Phoenix's minimum temperature on May 27, 2026. Long-range weather models and seasonal forecasts updated closer to May will refine expectations about high-pressure systems, monsoon activity, and jet-stream positioning. Historical May temperature patterns and climate trends in the Phoenix region inform baseline expectations. Real-time atmospheric data, El Niño or La Niña conditions, and any unusual weather patterns in spring 2026 could alter trader sentiment. As May approaches, extended forecasts become more reliable, typically tightening market odds around the most probable outcome.