Highest temperature in San Francisco on July 19?: how this market works

What you need to know

This market is asking: on July 19, 2026, how hot will it get at San Francisco International Airport? The answer is broken into temperature ranges — 66–67°F, 68–69°F, 70–71°F, and others — and whichever range contains the actual peak temperature that day wins. Think of it as a group guess on the afternoon high: will it be a mild coastal day in the mid-60s, or will it nudge past 70°F? After July 19, 2026 ends, the market settles based on the single highest temperature reading recorded that day at SFO airport, as shown on Weather Underground's historical data page for that station. The temperature is rounded to the nearest whole degree Fahrenheit. Whichever bracket contains that number wins. One small detail: the market waits until the first data point of July 20 appears before officially closing, to allow any late corrections to the July 19 readings. No specific recent news was provided for this market. For a weather question like this, what would matter most is any seasonal forecast for the San Francisco Bay Area around mid-July 2026 — particularly whether climate patterns such as a strong marine layer or an inland heat event are expected. As the date approaches, local extended forecasts will become the most relevant thing to watch. San Francisco's summer weather is notoriously hard to pin down even a few days out, let alone over a year away. The city's famous fog and its proximity to cold ocean water mean a single shift in wind direction can swing the daily high by 10°F or more. The three leading ranges here — 66–67°F, 68–69°F, and 70–71°F — are clustered close together, which reflects genuine uncertainty rather than a clear frontrunner, and any of them represents a plausible July afternoon at SFO.

The odds right now

• 68-69°F33%
• 70-71°F27%
• 66-67°F23%
• 64-65°F9%
• 72-73°F7%
• 74-75°F3%
• 60-61°F1%
• 62-63°F1%
• 76°F or higher0%
• 58-59°F0%
• 57°F or below0%

Price history

How this resolves

Resolves July 19, 2026

This market will resolve to the temperature range that contains the highest temperature recorded at the San Francisco International Airport Station in degrees Fahrenheit on 19 Jul '26. The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the San Francisco International Airport Station, available here: https://www.wunderground.com/history/daily/us/ca/san-francisco/KSFO. Read the full resolution rules on the live market page.

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