Official observations from the National Weather Service station at San Francisco International Airport (KSFO), the market's resolution source via Weather Underground, confirm yesterday's high temperature reached 62-63°F, driving trader consensus to a 100% implied probability for that bin amid negligible volume on alternatives. Persistent onshore flow and thick marine stratus clouds suppressed solar heating, aligning with forecast models from NOAA that projected peaks in the low 60s under cool coastal conditions typical for early May, when climatological highs average 64-65°F but often dip lower with Pacific influence. Scenarios challenging this include rare post hoc data revisions from quality control, such as uncovering a brief higher spike, though preliminary airport readings are highly reliable; final NWS climatological summary expected soon will solidify resolution.
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 May 4?
Highest temperature in San Francisco on May 4?
62-63°F 100.0%
47°F or below <1%
48-49°F <1%
50-51°F <1%
$110,817 Vol.
$110,817 Vol.
May 4, 2026
47°F or below
No
48-49°F
No
50-51°F
No
52-53°F
No
54-55°F
No
56-57°F
No
58-59°F
No
60-61°F
No
62-63°F
Yes
64-65°F
No
66°F or higher
No
62-63°F 100.0%
47°F or below <1%
48-49°F <1%
50-51°F <1%
$110,817 Vol.
$110,817 Vol.
May 4, 2026
47°F or below
$956 Vol.
No
48-49°F
$317 Vol.
No
50-51°F
$911 Vol.
No
52-53°F
$1,851 Vol.
No
54-55°F
$1,005 Vol.
No
56-57°F
$1,734 Vol.
No
58-59°F
$14,779 Vol.
No
60-61°F
$5,536 Vol.
No
62-63°F
$14,043 Vol.
Yes
64-65°F
$40,136 Vol.
No
66°F or higher
$29,549 Vol.
No
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 4 May '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the San Francisco International Airport Station once information is finalized, 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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.Official observations from the National Weather Service station at San Francisco International Airport (KSFO), the market's resolution source via Weather Underground, confirm yesterday's high temperature reached 62-63°F, driving trader consensus to a 100% implied probability for that bin amid negligible volume on alternatives. Persistent onshore flow and thick marine stratus clouds suppressed solar heating, aligning with forecast models from NOAA that projected peaks in the low 60s under cool coastal conditions typical for early May, when climatological highs average 64-65°F but often dip lower with Pacific influence. Scenarios challenging this include rare post hoc data revisions from quality control, such as uncovering a brief higher spike, though preliminary airport readings are highly reliable; final NWS climatological summary expected soon will solidify resolution.
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 4 May '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the San Francisco International Airport Station once information is finalized, 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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the San Francisco International Airport Station once information is finalized, 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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Market Opened: May 2, 2026, 12:08 AM ET
Volume
$110,817End Date
May 4, 2026Market Opened
May 2, 2026, 12:08 AM ETResolution Source
https://www.wunderground.com/history/daily/us/ca/san-francisco/KSFOResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
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 4 May '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the San Francisco International Airport Station once information is finalized, 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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.Official observations from the National Weather Service station at San Francisco International Airport (KSFO), the market's resolution source via Weather Underground, confirm yesterday's high temperature reached 62-63°F, driving trader consensus to a 100% implied probability for that bin amid negligible volume on alternatives. Persistent onshore flow and thick marine stratus clouds suppressed solar heating, aligning with forecast models from NOAA that projected peaks in the low 60s under cool coastal conditions typical for early May, when climatological highs average 64-65°F but often dip lower with Pacific influence. Scenarios challenging this include rare post hoc data revisions from quality control, such as uncovering a brief higher spike, though preliminary airport readings are highly reliable; final NWS climatological summary expected soon will solidify resolution.
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 4 May '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the San Francisco International Airport Station once information is finalized, 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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the San Francisco International Airport Station once information is finalized, 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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Volume
$110,817End Date
May 4, 2026Market Opened
May 2, 2026, 12:08 AM ETResolution Source
https://www.wunderground.com/history/daily/us/ca/san-francisco/KSFOResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
Official observations from the National Weather Service station at San Francisco International Airport (KSFO), the market's resolution source via Weather Underground, confirm yesterday's high temperature reached 62-63°F, driving trader consensus to a 100% implied probability for that bin amid negligible volume on alternatives. Persistent onshore flow and thick marine stratus clouds suppressed solar heating, aligning with forecast models from NOAA that projected peaks in the low 60s under cool coastal conditions typical for early May, when climatological highs average 64-65°F but often dip lower with Pacific influence. Scenarios challenging this include rare post hoc data revisions from quality control, such as uncovering a brief higher spike, though preliminary airport readings are highly reliable; final NWS climatological summary expected soon will solidify resolution.
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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