San Francisco Braces for Potential Heat Wave on April 10

Prediction market tracks expected high temperature at SFO airport

Apr. 6, 2026 at 5:05am by Ben Kaplan

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A prediction market on Polymarket is tracking the expected high temperature in San Francisco on April 10, 2026, with the resolution source being temperature data from the Wunderground weather service for the San Francisco International Airport station. The market will resolve to the temperature range containing the highest recorded temperature on that date, with the data finalized and any revisions after that date not considered.

Why it matters

San Francisco is known for its mild, temperate climate, but occasional heat waves can still impact the region, affecting energy usage, public health, and transportation. Tracking the expected high temperature on a specific date provides valuable insights into potential weather patterns and allows traders to speculate on the outcome.

The details

The Polymarket prediction market is focused on determining the highest temperature recorded at the San Francisco International Airport station on April 10, 2026. The resolution source is Wunderground, which will provide the finalized temperature data for that day. The market will resolve to the specific temperature range containing the highest reading, measured in whole degrees Fahrenheit. Any revisions to the temperature data after the market's timeframe will not be considered.

  • The Polymarket prediction market opened on April 6, 2026 at 12:45 AM ET.
  • The market will resolve on April 10, 2026 once the final temperature data is available.

The players

Polymarket

A decentralized prediction market platform where users can trade on the outcomes of future events.

Wunderground

A weather information service that provides historical and real-time weather data, including temperature readings from the San Francisco International Airport station.

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What’s next

Once the temperature data for April 10, 2026 is finalized, the Polymarket prediction market will resolve to the specific temperature range containing the highest reading recorded at the San Francisco International Airport station.

The takeaway

This Polymarket prediction market provides a unique way for traders to speculate on the weather in San Francisco, offering insights into potential heat waves and their impact on the region. The use of official weather data sources ensures the resolution is based on reliable information.