Preliminary ERA5 reanalysis from Copernicus Climate Change Service and Climate Reanalyzer estimates position at least one of April 1st, 2nd, or 3rd, 2026, as the third-hottest daily global surface air temperature on record since 1880, fueling trader consensus at 64.5% implied probability for that outcome. This follows March 2026's fourth-warmest ranking globally (13.94°C average, 1.48°C above pre-industrial per Copernicus), with near-record sea surface temperatures despite lingering La Niña effects suppressing anomalies by 0.1–0.2°C below 2024 El Niño peaks that claimed top spots. ENSO-neutral conditions prevail through April–June (80% NOAA odds), limiting upside for first or second place. Final resolution awaits NOAA GlobalTemp and NASA GISTEMP data in early May 2026, with potential minor revisions from data processing.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated2026 April 1st, 2nd, 3rd hottest on record?
2026 April 1st, 2nd, 3rd hottest on record?
3rd hottest 65%
2nd hottest 20%
4th or lower 12%
1st hottest 4.5%
$60,156 Vol.
$60,156 Vol.
1st hottest
5%
2nd hottest
20%
3rd hottest
65%
4th or lower
12%
3rd hottest 65%
2nd hottest 20%
4th or lower 12%
1st hottest 4.5%
$60,156 Vol.
$60,156 Vol.
1st hottest
5%
2nd hottest
20%
3rd hottest
65%
4th or lower
12%
Note: If April 2026 is tied for first, second, or third hottest with another year, it will qualify for the bracket it ties with.
The primary resolution source for this market will be the figures found in the table titled "GLOBAL Land-Ocean Temperature Index in 0.01 degrees Celsius" under the column "Apr" (https://data.giss.nasa.gov/gistemp/tabledata_v4/GLB.Ts+dSST.txt). If NASA's "Global Temperature Index" is rendered permanently unavailable, other information from NASA may be used.
If no information for April 2026 is provided by NASA by May 31, 2026, 11:59 PM ET, a consensus of credible sources will be used to resolve this market.
Market Opened: Mar 24, 2026, 6:05 PM ET
Resolver
0x69c47De9D...Note: If April 2026 is tied for first, second, or third hottest with another year, it will qualify for the bracket it ties with.
The primary resolution source for this market will be the figures found in the table titled "GLOBAL Land-Ocean Temperature Index in 0.01 degrees Celsius" under the column "Apr" (https://data.giss.nasa.gov/gistemp/tabledata_v4/GLB.Ts+dSST.txt). If NASA's "Global Temperature Index" is rendered permanently unavailable, other information from NASA may be used.
If no information for April 2026 is provided by NASA by May 31, 2026, 11:59 PM ET, a consensus of credible sources will be used to resolve this market.
Resolver
0x69c47De9D...Preliminary ERA5 reanalysis from Copernicus Climate Change Service and Climate Reanalyzer estimates position at least one of April 1st, 2nd, or 3rd, 2026, as the third-hottest daily global surface air temperature on record since 1880, fueling trader consensus at 64.5% implied probability for that outcome. This follows March 2026's fourth-warmest ranking globally (13.94°C average, 1.48°C above pre-industrial per Copernicus), with near-record sea surface temperatures despite lingering La Niña effects suppressing anomalies by 0.1–0.2°C below 2024 El Niño peaks that claimed top spots. ENSO-neutral conditions prevail through April–June (80% NOAA odds), limiting upside for first or second place. Final resolution awaits NOAA GlobalTemp and NASA GISTEMP data in early May 2026, with potential minor revisions from data processing.
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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