THE CLIMATE STORY OF

PORTLAND

≈0.7 °C warmer today than in the mid-20th century

1940: 12.3 °C1941: 12.0 °C1942: 11.6 °C1943: 11.3 °C1944: 11.4 °C1945: 11.4 °C1946: 10.8 °C1947: 11.4 °C1948: 10.7 °C1949: 11.0 °C1950: 10.6 °C1951: 11.1 °C1952: 11.2 °C1953: 11.6 °C1954: 10.6 °C1955: 9.8 °C1956: 10.8 °C1957: 11.1 °C1958: 12.8 °C1959: 10.9 °C1960: 10.7 °C1961: 11.6 °C1962: 11.0 °C1963: 11.0 °C1964: 10.2 °C1965: 11.4 °C1966: 11.4 °C1967: 11.9 °C1968: 11.0 °C1969: 10.7 °C1970: 11.2 °C1971: 10.5 °C1972: 11.0 °C1973: 11.2 °C1974: 11.5 °C1975: 10.9 °C1976: 10.9 °C1977: 11.0 °C1978: 10.9 °C1979: 11.4 °C1980: 10.9 °C1981: 11.4 °C1982: 10.8 °C1983: 11.2 °C1984: 10.6 °C1985: 10.2 °C1986: 11.9 °C1987: 12.4 °C1988: 11.5 °C1989: 11.2 °C1990: 11.7 °C1991: 11.7 °C1992: 12.8 °C1993: 10.9 °C1994: 11.7 °C1995: 12.2 °C1996: 11.3 °C1997: 11.7 °C1998: 11.8 °C1999: 11.2 °C2000: 11.1 °C2001: 11.1 °C2002: 11.5 °C2003: 12.2 °C2004: 12.1 °C2005: 11.5 °C2006: 11.8 °C2007: 11.2 °C2008: 10.9 °C2009: 11.3 °C2010: 11.3 °C2011: 10.5 °C2012: 11.5 °C2013: 11.3 °C2014: 12.4 °C2015: 13.2 °C2016: 12.4 °C2017: 11.2 °C2018: 12.1 °C2019: 11.1 °C2020: 12.0 °C2021: 12.1 °C2022: 11.5 °C2023: 11.9 °C2024: 11.9 °C2025: 12.7 °C
1940Annual mean temperature, 1940–20252025

Heat-record watch

Warmest day of the last 14 days: 31.0 °C (August 20, 2026)

All-time record since 1940: 46.0 °C (June 28, 2021)

How much has Portland warmed since 1940? See its climate story in warming stripes — then enter your birth year to see the story of your own lifetime.

Enter your birth year — see YOUR story

Your hometown, your lifetime, in warming stripes. Free, no sign-up.

More cities · Which cities have warmed the most? · Embed this chart on your site · climatestory.app

Data: Open-Meteo (ERA5 reanalysis). Warming-stripes concept: Ed Hawkins.