WORLD PREDICTA
PERMANENT FORECAST RECORD · CLIMATE

Will 2026 finish among the three warmest calendar years in the ERA5 global temperature record?

The forecast concerns annual global rank, not whether every city or month will be unusually hot.

78%ESTIMATED CHANCEModerateCONFIDENCEFeb 15, 2027RESOLUTION DATEWP-CLIMATE-0.1MODEL

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CLIMATECONFIDENCE · MODERATE

78% estimated chance

Published
Jul 30, 2026
Updated
Jul 30, 2026
Data through
Jul 30, 2026
Resolution date
Feb 15, 2027
Movement
Initial published baseline. No movement history exists yet.
Science
WP-SCIENCE-0.4
REPRODUCIBLE CALCULATION · WP-SCIENCE-0.4
PRIOR70%
+
NET EVIDENCE+8 pts
=
RECOMPUTED78%
MATH MATCHES

100% exact input coverage · evidence quality 85/100 · declared expert weights are not historically validated.

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MAIN DRIVERS
  1. Recent global temperatures provide a high starting baseline.
  2. Ocean heat and greenhouse-gas forcing influence the full-year average.
  3. WorldPredicta heat observations provide current local context but do not determine the global rank.
WHAT COULD LOWER THE PROBABILITY
  1. Ocean-atmosphere variability could cool the remaining months.
  2. Different temperature datasets can produce slightly different rankings.
WHAT THIS COULD MEAN FOR YOU
Health

A warmer global year raises the background risk of dangerous heat exposure.

Home

Cooling demand, insurance losses and electricity stress can increase.

Family

Heat planning matters most for children, older adults and outdoor workers.

PUBLIC RESOLUTION RULE

Resolve YES if Copernicus ranks the 2026 ERA5 calendar-year global mean surface-air temperature first, second or third in its first complete annual bulletin; otherwise resolve NO.

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