Persistent marine layer and onshore sea breezes from Pacific upwelling continue to moderate San Francisco temperatures, anchoring National Weather Service and ensemble model consensus near 68–71°F for the KSFO station on August 20. This aligns with August climatology of 67–70°F maxima shaped by coastal cooling that limits afternoon heating and favors the closely matched 68–69°F and 70–71°F outcomes. Recent observations confirm typical morning fog and limited inland warming influence, keeping higher brackets below 12% combined. Resolution hinges on the precise peak reading, with short-range model spreads introducing genuine uncertainty around wind patterns and marine layer depth that could tip the balance by a degree or two.
基于Polymarket数据的AI实验性摘要。这不是交易建议，也不影响该市场的结算方式。 · 更新于8月20日旧金山气温最高？
8月20日旧金山气温最高？
68-69°F 32%
70-71°F 32%
66-67°F 15%
72-73°F 11%
最新
最新
2026-08-20
59°F或以下
1%
60-61°F
1%
62-63°F
1%
64-65°F
7%
66-67°F
15%
68-69°F
32%
70-71°F
32%
72-73°F
11%
74-75°F
5%
76-77°F
1%
78°F或更高
1%
68-69°F 32%
70-71°F 32%
66-67°F 15%
72-73°F 11%
最新
最新
2026-08-20
59°F或以下
$190 交易量
1%
60-61°F
$87 交易量
1%
62-63°F
$15 交易量
1%
64-65°F
$506 交易量
7%
66-67°F
$66 交易量
15%
68-69°F
$139 交易量
32%
70-71°F
$169 交易量
32%
72-73°F
$170 交易量
11%
74-75°F
$205 交易量
5%
76-77°F
$89 交易量
1%
78°F或更高
$86 交易量
1%
This market will resolve based on the highest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section.
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 20 Aug '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.
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.Persistent marine layer and onshore sea breezes from Pacific upwelling continue to moderate San Francisco temperatures, anchoring National Weather Service and ensemble model consensus near 68–71°F for the KSFO station on August 20. This aligns with August climatology of 67–70°F maxima shaped by coastal cooling that limits afternoon heating and favors the closely matched 68–69°F and 70–71°F outcomes. Recent observations confirm typical morning fog and limited inland warming influence, keeping higher brackets below 12% combined. Resolution hinges on the precise peak reading, with short-range model spreads introducing genuine uncertainty around wind patterns and marine layer depth that could tip the balance by a degree or two.
This market will resolve based on the highest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section.
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 20 Aug '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.
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.
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 20 Aug '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.
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.
市场开放时间： Aug 18, 2026, 9:57 PM ET
交易量
$1,722结束日期
2026-08-20市场开放时间
Aug 18, 2026, 9:57 PM ETThis market will resolve based on the highest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section.
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 20 Aug '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.
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.Persistent marine layer and onshore sea breezes from Pacific upwelling continue to moderate San Francisco temperatures, anchoring National Weather Service and ensemble model consensus near 68–71°F for the KSFO station on August 20. This aligns with August climatology of 67–70°F maxima shaped by coastal cooling that limits afternoon heating and favors the closely matched 68–69°F and 70–71°F outcomes. Recent observations confirm typical morning fog and limited inland warming influence, keeping higher brackets below 12% combined. Resolution hinges on the precise peak reading, with short-range model spreads introducing genuine uncertainty around wind patterns and marine layer depth that could tip the balance by a degree or two.
This market will resolve based on the highest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section.
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 20 Aug '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.
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.
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 20 Aug '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.
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.
交易量
$1,722结束日期
2026-08-20市场开放时间
Aug 18, 2026, 9:57 PM ETPersistent marine layer and onshore sea breezes from Pacific upwelling continue to moderate San Francisco temperatures, anchoring National Weather Service and ensemble model consensus near 68–71°F for the KSFO station on August 20. This aligns with August climatology of 67–70°F maxima shaped by coastal cooling that limits afternoon heating and favors the closely matched 68–69°F and 70–71°F outcomes. Recent observations confirm typical morning fog and limited inland warming influence, keeping higher brackets below 12% combined. Resolution hinges on the precise peak reading, with short-range model spreads introducing genuine uncertainty around wind patterns and marine layer depth that could tip the balance by a degree or two.
基于Polymarket数据的AI实验性摘要。这不是交易建议，也不影响该市场的结算方式。 · 更新于
警惕外部链接哦。
警惕外部链接哦。
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