Current National Weather Service and model guidance points to a highest temperature in San Francisco on September 8 likely falling in the upper 70s to low 80s, driven by persistent onshore flow and a moderating marine layer that limits inland heat advection. Ensemble spreads reflect typical late-summer variability in the Bay Area, where subtle shifts in wind direction or boundary-layer mixing can add or subtract several degrees from the daily maximum. Historical September highs average near 70°F, but recent drier patterns have supported modest warming relative to early-month conditions. Traders appear to price in this forecast range while acknowledging model divergence on exact peak timing and any late-day clearing. Updated NWS briefings and morning model runs will provide the next resolution-relevant data points.
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 September 8?
Highest temperature in San Francisco on September 8?
80-81°F 36%
82-83°F 35%
78-79°F 32%
84-85°F 25%
NEW
NEW
Sep 8, 2026
71°F or below
1%
72-73°F
16%
74-75°F
16%
76-77°F
20%
78-79°F
32%
80-81°F
36%
82-83°F
35%
84-85°F
25%
86-87°F
10%
88-89°F
18%
90°F or higher
16%
80-81°F 36%
82-83°F 35%
78-79°F 32%
84-85°F 25%
NEW
NEW
Sep 8, 2026
71°F or below
$0 Vol.
1%
72-73°F
$0 Vol.
16%
74-75°F
$0 Vol.
16%
76-77°F
$0 Vol.
20%
78-79°F
$0 Vol.
32%
80-81°F
$0 Vol.
36%
82-83°F
$0 Vol.
35%
84-85°F
$0 Vol.
25%
86-87°F
$0 Vol.
10%
88-89°F
$0 Vol.
18%
90°F or higher
$0 Vol.
16%
This market will resolve to the temperature range that contains the highest temperature recorded by NOAA at the San Francisco International Airport Station in degrees Fahrenheit on 8 Sep '26.
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 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.Current National Weather Service and model guidance points to a highest temperature in San Francisco on September 8 likely falling in the upper 70s to low 80s, driven by persistent onshore flow and a moderating marine layer that limits inland heat advection. Ensemble spreads reflect typical late-summer variability in the Bay Area, where subtle shifts in wind direction or boundary-layer mixing can add or subtract several degrees from the daily maximum. Historical September highs average near 70°F, but recent drier patterns have supported modest warming relative to early-month conditions. Traders appear to price in this forecast range while acknowledging model divergence on exact peak timing and any late-day clearing. Updated NWS briefings and morning model runs will provide the next resolution-relevant data points.
This market will resolve to the temperature range that contains the highest temperature recorded by NOAA at the San Francisco International Airport Station in degrees Fahrenheit on 8 Sep '26.
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 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.
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 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.
Market Opened: Sep 6, 2026, 7:56 AM ET
Volume
$0End Date
Sep 8, 2026Market Opened
Sep 6, 2026, 7:56 AM ETResolution Source
https://www.weather.gov/wrh/timeseries?site=ksfoResolver
0x69c47De9D...This market will resolve to the temperature range that contains the highest temperature recorded by NOAA at the San Francisco International Airport Station in degrees Fahrenheit on 8 Sep '26.
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 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.Current National Weather Service and model guidance points to a highest temperature in San Francisco on September 8 likely falling in the upper 70s to low 80s, driven by persistent onshore flow and a moderating marine layer that limits inland heat advection. Ensemble spreads reflect typical late-summer variability in the Bay Area, where subtle shifts in wind direction or boundary-layer mixing can add or subtract several degrees from the daily maximum. Historical September highs average near 70°F, but recent drier patterns have supported modest warming relative to early-month conditions. Traders appear to price in this forecast range while acknowledging model divergence on exact peak timing and any late-day clearing. Updated NWS briefings and morning model runs will provide the next resolution-relevant data points.
This market will resolve to the temperature range that contains the highest temperature recorded by NOAA at the San Francisco International Airport Station in degrees Fahrenheit on 8 Sep '26.
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 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.
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 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.
Volume
$0End Date
Sep 8, 2026Market Opened
Sep 6, 2026, 7:56 AM ETResolution Source
https://www.weather.gov/wrh/timeseries?site=ksfoResolver
0x69c47De9D...Current National Weather Service and model guidance points to a highest temperature in San Francisco on September 8 likely falling in the upper 70s to low 80s, driven by persistent onshore flow and a moderating marine layer that limits inland heat advection. Ensemble spreads reflect typical late-summer variability in the Bay Area, where subtle shifts in wind direction or boundary-layer mixing can add or subtract several degrees from the daily maximum. Historical September highs average near 70°F, but recent drier patterns have supported modest warming relative to early-month conditions. Traders appear to price in this forecast range while acknowledging model divergence on exact peak timing and any late-day clearing. Updated NWS briefings and morning model runs will provide the next resolution-relevant data points.
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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