Traders are closely split between 68-71°F for San Francisco’s July 3 high because NOAA and National Weather Service short-range models show a persistent marine layer with moderate onshore flow keeping coastal readings near seasonal normals. Subtle differences in the strength of the Pacific high and the depth of the cool air mass will determine whether daytime warming reaches the low 70s or stalls in the upper 60s; stronger westerly winds and earlier fog clearance favor the higher bin, while a deeper stratus deck favors the lower. Historical July maxima average 68-72°F at downtown stations, and current ensemble guidance shows low spread around that range with resolution hinging on tomorrow’s 00Z model runs.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in San Francisco on July 3?
68-69°F 100.0%
59°F or below <1%
60-61°F <1%
62-63°F <1%
$56,606 Vol.
$56,606 Vol.
59°F or below
No
60-61°F
No
62-63°F
No
64-65°F
No
66-67°F
No
68-69°F
Yes
70-71°F
No
72-73°F
No
74-75°F
No
76-77°F
No
78°F or higher
No
68-69°F 100.0%
59°F or below <1%
60-61°F <1%
62-63°F <1%
$56,606 Vol.
$56,606 Vol.
59°F or below
No
60-61°F
No
62-63°F
No
64-65°F
No
66-67°F
No
68-69°F
Yes
70-71°F
No
72-73°F
No
74-75°F
No
76-77°F
No
78°F or higher
No
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.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
This market can not resolve until the first data point for the following date has been published on the resolution source.
The resolution source for this market measures temperatures to whole degrees Fahrenheit (eg, 21°F). Thus, this is the level of precision that will be used when resolving the market.
Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.
Market Opened: Jul 1, 2026, 10:02 PM ET
Resolution Source
https://www.wunderground.com/history/daily/us/ca/san-francisco/KSFOResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
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.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
This market can not resolve until the first data point for the following date has been published on the resolution source.
The resolution source for this market measures temperatures to whole degrees Fahrenheit (eg, 21°F). Thus, this is the level of precision that will be used when resolving the market.
Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.
Resolution Source
https://www.wunderground.com/history/daily/us/ca/san-francisco/KSFOResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
Traders are closely split between 68-71°F for San Francisco’s July 3 high because NOAA and National Weather Service short-range models show a persistent marine layer with moderate onshore flow keeping coastal readings near seasonal normals. Subtle differences in the strength of the Pacific high and the depth of the cool air mass will determine whether daytime warming reaches the low 70s or stalls in the upper 60s; stronger westerly winds and earlier fog clearance favor the higher bin, while a deeper stratus deck favors the lower. Historical July maxima average 68-72°F at downtown stations, and current ensemble guidance shows low spread around that range with resolution hinging on tomorrow’s 00Z model runs.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated

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