🇨🇱 El Niño and La Niña in Chile
El Niño is currently active (Niño 3.4: +3.4 °C), so these effects are the ones to watch now.
How much warmer (+) or colder (−) than normal the sea is this week in the Niño 3.4 zone of the Pacific.
Oceanic Niño Index: the 3-month average of that anomaly. It is NOAA's official index: +0.5 °C or more means El Niño; −0.5 °C or less, La Niña.
The real sea surface temperature measured there, not the difference from normal.
Date of NOAA's next official El Niño / La Niña report.
Weather forecast, next 7 days
Santiago
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Valparaíso
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Antofagasta
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Concepción
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Weather forecast: MET Norway (CC BY 4.0), updated every hour. For official warnings, follow your national weather service.
El Niño in Chile
Wetter winters in central Chile (more rain in Santiago and snow in the Andes), which can ease drought but cause floods; warmer sea in the north affects fishing.
La Niña in Chile
Drier winters in central Chile, worsening drought and raising wildfire risk in summer.
These are typical tendencies; each event differs in timing and intensity. For local forecasts and warnings, follow the Dirección Meteorológica de Chile.
Frequently asked questions
How does El Niño affect Chile?
Wetter winters in central Chile (more rain in Santiago and snow in the Andes), which can ease drought but cause floods; warmer sea in the north affects fishing.
How does La Niña affect Chile?
Drier winters in central Chile, worsening drought and raising wildfire risk in summer.
Where can I find official forecasts for Chile?
Follow the Dirección Meteorológica de Chile, the official source for local forecasts and warnings.
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