**Official observations from the National Weather Service at San Francisco International Airport recorded a daily maximum of 65°F on August 28, 2026, reached at 2:09 PM local time.** This places the high squarely in the 64–65°F range that now holds 100% market-implied probability. Persistent marine-layer clouds, fog, and light rain—fed by a plume of tropical moisture linked to the remnants of former Tropical Storm Iselle—suppressed temperatures well below the 1991–2020 normal of 74°F. Overcast conditions and westerly winds maintained a cool, humid boundary layer throughout the afternoon, preventing the usual seasonal warming. Recent model runs and surface observations aligned closely with this outcome, giving traders high-confidence data once the day concluded. Realistic challenges to this resolution would require either a post-event data revision at the primary reporting station or use of a secondary downtown sensor that diverged materially from the airport reading; both remain low-probability given the consistency across official METAR and climate summaries.
Експериментальне резюме, згенероване ШІ з посиланням на дані Polymarket. Це не торгова порада і не впливає на вирішення цього ринку. · ОновленоHighest temperature in San Francisco on August 28?
64-65°F 100.0%
57°F or below <1%
58-59°F <1%
60-61°F <1%
$37,202 Обс.
$37,202 Обс.
57°F or below
<1%
58-59°F
<1%
60-61°F
<1%
62-63°F
<1%
64-65°F
100%
66-67°F
<1%
68-69°F
<1%
70-71°F
<1%
72-73°F
<1%
74-75°F
<1%
76°F or higher
<1%
64-65°F 100.0%
57°F or below <1%
58-59°F <1%
60-61°F <1%
$37,202 Обс.
$37,202 Обс.
57°F or below
<1%
58-59°F
<1%
60-61°F
<1%
62-63°F
<1%
64-65°F
100%
66-67°F
<1%
68-69°F
<1%
70-71°F
<1%
72-73°F
<1%
74-75°F
<1%
76°F or higher
<1%
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=ksfo
This market will resolve off of the Hourly Data provided using the "Show Hourly Data" button.
If NOAA data is unavailable or missing for the observation period, Weather Underground will be used as the secondary resolution source.
To toggle between Fahrenheit and Celsius, click the "Switch to US Units w/ kts" button until the relevant table displays °F.
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.
Ринок відкрито: Aug 26, 2026, 8:57 PM ET
Джерело вирішення
https://www.weather.gov/wrh/timeseries?site=ksfoВирішувач
0x69c47De9D...The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=ksfo
This market will resolve off of the Hourly Data provided using the "Show Hourly Data" button.
If NOAA data is unavailable or missing for the observation period, Weather Underground will be used as the secondary resolution source.
To toggle between Fahrenheit and Celsius, click the "Switch to US Units w/ kts" button until the relevant table displays °F.
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.
Джерело вирішення
https://www.weather.gov/wrh/timeseries?site=ksfoВирішувач
0x69c47De9D...**Official observations from the National Weather Service at San Francisco International Airport recorded a daily maximum of 65°F on August 28, 2026, reached at 2:09 PM local time.** This places the high squarely in the 64–65°F range that now holds 100% market-implied probability. Persistent marine-layer clouds, fog, and light rain—fed by a plume of tropical moisture linked to the remnants of former Tropical Storm Iselle—suppressed temperatures well below the 1991–2020 normal of 74°F. Overcast conditions and westerly winds maintained a cool, humid boundary layer throughout the afternoon, preventing the usual seasonal warming. Recent model runs and surface observations aligned closely with this outcome, giving traders high-confidence data once the day concluded. Realistic challenges to this resolution would require either a post-event data revision at the primary reporting station or use of a secondary downtown sensor that diverged materially from the airport reading; both remain low-probability given the consistency across official METAR and climate summaries.
Експериментальне резюме, згенероване ШІ з посиланням на дані Polymarket. Це не торгова порада і не впливає на вирішення цього ринку. · Оновлено
Обережно з зовнішніми посиланнями.
Обережно з зовнішніми посиланнями.
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