Latest National Weather Service guidance for San Francisco on April 2 points to persistent marine layer stratocumulus clouds, driven by cool Pacific sea surface temperatures near 55°F and light onshore flow (5-10 mph), capping highs in the 58-63°F range and explaining the near-even trader odds across these bins. Following March's record heatwave—which saw coastal moderation via the same marine influence—current model ensembles (GFS, ECMWF) exhibit a tight 4-5°F spread, with outcomes hinging on morning cloud burn-off timing: early clearing favors 62-63°F or 66°F+, while stubborn stratus supports 58-59°F. Historical April 2 highs average 62°F amid similar spring patterns. New 12z model runs and NWS updates today could refine this uncertainty.
Résumé expérimental généré par IA à partir des données Polymarket · Mis à jourHighest temperature in San Francisco on April 2?
Highest temperature in San Francisco on April 2?
62-63°F 25%
58-59°F 24%
60-61°F 24%
66°F or higher 22%
47°F or below
3%
48-49°F
1%
50-51°F
1%
52-53°F
10%
54-55°F
9%
56-57°F
10%
58-59°F
24%
60-61°F
24%
62-63°F
25%
64-65°F
12%
66°F or higher
22%
62-63°F 25%
58-59°F 24%
60-61°F 24%
66°F or higher 22%
47°F or below
3%
48-49°F
1%
50-51°F
1%
52-53°F
10%
54-55°F
9%
56-57°F
10%
58-59°F
24%
60-61°F
24%
62-63°F
25%
64-65°F
12%
66°F or higher
22%
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.
Marché ouvert : Mar 29, 2026, 3:21 PM ET
Resolution Source
https://www.wunderground.com/history/daily/us/ca/san-francisco/KSFOResolver
0x69c47De9D...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.
Resolution Source
https://www.wunderground.com/history/daily/us/ca/san-francisco/KSFOResolver
0x69c47De9D...Latest National Weather Service guidance for San Francisco on April 2 points to persistent marine layer stratocumulus clouds, driven by cool Pacific sea surface temperatures near 55°F and light onshore flow (5-10 mph), capping highs in the 58-63°F range and explaining the near-even trader odds across these bins. Following March's record heatwave—which saw coastal moderation via the same marine influence—current model ensembles (GFS, ECMWF) exhibit a tight 4-5°F spread, with outcomes hinging on morning cloud burn-off timing: early clearing favors 62-63°F or 66°F+, while stubborn stratus supports 58-59°F. Historical April 2 highs average 62°F amid similar spring patterns. New 12z model runs and NWS updates today could refine this uncertainty.
Résumé expérimental généré par IA à partir des données Polymarket · Mis à jour
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