Resolution criteria

This market will resolve to YES if the official daily high temperature for San Francisco reaches 68.0°F or higher on Saturday, August 8, 2026. It will resolve to NO if the official daily high temperature is 67.9°F or lower.

• Station of Record: San Francisco Downtown, CA US (GHCND: USW00023272 / SFOC1). This is the official station for the city itself, located near Hayes Valley. (Note: This is separate from the San Francisco International Airport/SFO station, which is located in San Mateo County).

• Official Source: The market will resolve using the "MAXIMUM" temperature recorded for August 8, 2026, as published in the daily Climatological Report for Downtown San Francisco (CLISFD), issued by the National Weather Service (NWS) San Francisco Bay Area.

• Verification Links:

  • Climate reports and NOWData can be retrieved via the NWS San Francisco Bay Area Climate Portal (select "Downtown San Francisco" as the location).

  • Finalized daily summary data for this station is archived at the NOAA NCEI Climate Data Online (CDO) Portal for GHCND:USW00023272.

• Edge Cases: If the primary station is offline or fails to report data for August 8, 2026, the market will resolve using finalized data for the same station on NOAA's Climate Data Online portal.

Background

San Francisco is famous for its microclimates and its summertime marine layer, which frequently keeps the city cool while inland areas experience extreme heat. The official station of record for San Francisco itself is the Downtown station (located in Hayes Valley near the city center). This station is distinct from the San Francisco International Airport (SFO) station, which is located in San Mateo County and regularly experiences warmer summer afternoons.

The historical average daily maximum temperature for San Francisco Downtown in August is approximately 67.9°F. This makes 68.0°F a typical threshold for whether a summer day in the city is considered warmer than average.

This description was generated by AI. Review and verify everything here yourself. You can edit, replace, or delete any part of this description, including the resolution criteria. You do not need to trust the AI output.