**Marine layer influence and onshore flow are anchoring trader expectations for San Francisco’s September 16 low near 58–59°F.** Official National Weather Service and model guidance point to overnight temperatures bottoming out in the upper 50s amid persistent westerly winds, moderate humidity, and variable cloud cover that limits radiational cooling. This aligns with the historical average low of 55.9°F while remaining well above the 51°F record. The closely matched probabilities across the 58–61°F bins reflect uncertainty in exact minimum timing and localized urban heat effects versus marine stratus arrival. New hourly observations through the night will refine the final reading used for market resolution.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-updateLowest temperature in San Francisco on September 16?
68°F or higher 82%
54-55°F 40%
60-61°F 40%
62-63°F 40%
49°F or below
17%
50-51°F
1%
52-53°F
17%
54-55°F
40%
56-57°F
13%
58-59°F
33%
60-61°F
24%
62-63°F
40%
64-65°F
8%
66-67°F
1%
68°F or higher
82%
68°F or higher 82%
54-55°F 40%
60-61°F 40%
62-63°F 40%
49°F or below
17%
50-51°F
1%
52-53°F
17%
54-55°F
40%
56-57°F
13%
58-59°F
33%
60-61°F
24%
62-63°F
40%
64-65°F
8%
66-67°F
1%
68°F or higher
82%
The resolution source for this market will be information from NOAA, specifically the lowest 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 for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to US Units w/ kts" button until the relevant table displays °F.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
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.
Binuksan ang Market: Sep 14, 2026, 7:29 AM ET
Resolution Source
https://www.weather.gov/wrh/timeseries?site=ksfoResolver
0x69c47De9D...The resolution source for this market will be information from NOAA, specifically the lowest 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 for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to US Units w/ kts" button until the relevant table displays °F.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
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.weather.gov/wrh/timeseries?site=ksfoResolver
0x69c47De9D...**Marine layer influence and onshore flow are anchoring trader expectations for San Francisco’s September 16 low near 58–59°F.** Official National Weather Service and model guidance point to overnight temperatures bottoming out in the upper 50s amid persistent westerly winds, moderate humidity, and variable cloud cover that limits radiational cooling. This aligns with the historical average low of 55.9°F while remaining well above the 51°F record. The closely matched probabilities across the 58–61°F bins reflect uncertainty in exact minimum timing and localized urban heat effects versus marine stratus arrival. New hourly observations through the night will refine the final reading used for market resolution.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-update
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