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El Niño Sends Global Temperatures Above 1.5 Degrees C

· Confirmed

Science Desk

In Short: In the midst of a record-breaking El Niño, global temperatures are expected to surpass the 1.5 degrees Celsius above preindustrial levels threshold for the next two years.

The current El Niño event, one of the strongest in living memory, is pushing global temperatures to unprecedented levels, likely surpassing the 1.5 degrees Celsius above preindustrial levels threshold for both 2026 and 2027.

Under the 2015 Paris climate agreement, nearly 200 countries committed to limiting global warming to no more than 1.5 degrees Celsius above preindustrial levels, with 2 degrees Celsius being a clear line not to cross.

The rapid growth of this El Niño is causing concern among climate scientists. Daniel Swain, a climate scientist, wonders if the heat bomb released this year could fuel feedback loops that exacerbate global temperature rise.

Temperatures are soaring in parts of Europe, with France experiencing temperatures reaching 109 degrees Fahrenheit (43 degrees Celsius) on Monday, according to Météo-France.

In contrast, a cold blast has gripped the Northeastern United States, with temperatures off to a chilly start this week. Meteorologists predict this could be a sign of what’s to come.

The Copernicus Climate Change Service (C3S) reported that September 2026 was the second warmest on record, with the highest monthly average sea surface temperature for September over the extra-polar ocean.

The polar vortex, a band of strong winds circling the North Pole, contributes to the extreme temperature variations observed globally.

While temperatures are cooling down in some areas, the impact of El Niño is expected to continue, with above-average rainfall anticipated for the West Coast, central and northern Rockies, and parts of Texas.

What this adds

The current El Niño event is one of the strongest ever recorded, raising concerns about the possibility of permanently breaching the 1.5 degrees Celsius warming threshold.

The UNEP report suggests that the world will likely 'overshoot' the 1.5°C target of warming above preindustrial temperatures within the next few years.

Background

The current El Niño event is sending global temperatures soaring, likely surpassing the 1.5 degrees Celsius above preindustrial levels threshold for the next two years.

What's confirmed

What's still developing

Sources