El Niño in Portland, OR

In all 3 past super El Niño winters, Portland was wetter than normal. It was warmer than normal in all 3.

The wettest of them was 2015–16: 26.58 inches, 185% of normal — the wettest of 88.

History from three winters, not a forecast. Measured at one NOAA station, Portland; record since Dec–Feb 1938–39.

December–February in the three super El Niño winters

WinterPrecipitationAverage temperature
1982–83Dec 1982–Feb 198322.18 in+7.79 in vs normal · 154%10th wettest of 8844.5 °F+1.6 °F vs normaltied 11th warmest of 88
1997–98Dec 1997–Feb 199815.09 in+0.70 in vs normal · 105%43rd wettest of 8844.2 °F+1.3 °F vs normaltied 17th warmest of 88
2015–16Dec 2015–Feb 201626.58 in+12.19 in vs normal · 185%the wettest of 8845.7 °F+2.8 °F vs normal4th warmest of 88
Normal1991–2020 average14.39 in42.9 °F

Ranks are within this station’s own record: 88 winters for precipitation, 88 for temperature. Source: NOAA NCEI Climate at a Glance, Portland precipitation and temperature, as of November 11, 2026.

This winter: where NOAA’s outlook places Portland

For December–February 2026–27, the Climate Prediction Center’s map places Portland in equal chances of above-, near- or below-normal precipitation (no tilt either way), and in the 50–60% area for above-normal temperature.

Read from the contours of CPC’s seasonal outlook issued October 15, 2026 — the area the city falls in on a continental-scale map, not a forecast made for the city. CPC seasonal outlook maps. CPC reissues it monthly.

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Other cities in the Northwest climate region: Seattle, Boise. All 50 cities

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