Wilfredor / CC0
Portland, OR Weather on August 26
Portland hit 98°F on this date in 1986's sweltering summer
August 26 in Portland typically brings warm but mild conditions with highs around 81°F, yet the historical record tells a different story. The city's heat extreme of 98°F set in 1986 demonstrates how dramatically temperatures can spike in late summer, a full 17 degrees above the seasonal average. Meanwhile the record low of 49°F in 1975 shows the potential for cool mornings even during what is normally one of the year's warmest months.
What to Expect on August 26
Planning for August 26th in Portland, OR? Stay hydrated and seek shade during peak afternoon hours.
Frequently Asked Questions
What was the warmest August 26 ever in Portland?
The warmest August 26 in Portland, OR reached 98°F in 1986. That is 17°F above the long-term average high of 81°F.
What was the coldest August 26 ever in Portland?
The coldest August 26 in Portland, OR dropped to 49°F in 1975. That is 8°F below the long-term average low of 57°F.
What is the average temperature on August 26 in Portland?
On August 26, Portland averages a high of 81°F and a low of 57°F based on 55 years of NOAA weather observations from PORTLAND KGW-TV.
How many years of weather data are available for August 26 in Portland?
We have 55 years of weather records for August 26 in Portland, OR, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
August 26 Weather History in Portland
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 91°F | 69°F | 0" | -- |
| 2024 | 84°F | 57°F | 0" | -- |
| 2023 | 90°F | 63°F | 0" | -- |
| 2022 | 75°F | 61°F | 0" | -- |
| 2021 | 75°F | 59°F | 0" | -- |
| 2020 | 79°F | 55°F | 0" | -- |
| 2019 | 83°F | 56°F | 0" | -- |
| 2018 | 67°F | 58°F | 0" | -- |
| 2017 | 88°F | 58°F | 0" | -- |
| 2016 | 94°F | 64°F | 0" | -- |
| 2015 | 88°F | 58°F | 0" | -- |
| 2014 | 90°F | 65°F | 0" | -- |
| 2013 | 78°F | 61°F | 0.23" | -- |
| 2012 | 73°F | 55°F | 0" | -- |
| 2011 | 87°F | 61°F | 0" | -- |
| 2010 | 71°F | 55°F | 0" | -- |
| 2009 | 87°F | 53°F | 0" | -- |
| 2008 | 73°F | 53°F | 0" | -- |
| 2007 | 73°F | 57°F | 0" | -- |
| 2006 | 92°F | 61°F | 0" | -- |
| 2005 | 83°F | -- | 0" | -- |
| 2004 | 71°F | 59°F | 0.17" | -- |
| 2003 | 76°F | 60°F | 0" | -- |
| 2002 | 74°F | 62°F | 0" | -- |
| 2001 | 85°F | 57°F | 0" | -- |
| 2000 | 74°F | 58°F | 0" | -- |
| 1999 | 86°F | 54°F | 0" | -- |
| 1998 | 78°F | 55°F | 0" | -- |
| 1997 | 71°F | 62°F | 0.17" | -- |
| 1996 | 68°F | 63°F | 0.01" | -- |
| 1995 | 75°F | 52°F | 0" | -- |
| 1994 | 80°F | 55°F | 0" | -- |
| 1993 | 79°F | 52°F | 0" | -- |
| 1992 | 91°F | 58°F | 0" | -- |
| 1991 | 78°F | 50°F | 0" | -- |
| 1990 | 78°F | 57°F | 0.04" | -- |
| 1989 | 84°F | 58°F | 0" | -- |
| 1988 | 79°F | 54°F | 0" | -- |
| 1987 | 90°F | 61°F | 0" | -- |
| 1986 | 98°F | 67°F | 0" | -- |
| 1985 | 86°F | 57°F | 0" | -- |
| 1984 | 91°F | 61°F | 0" | -- |
| 1983 | 78°F | 59°F | 0" | -- |
| 1982 | 75°F | 54°F | 0" | -- |
| 1981 | 78°F | 52°F | 0" | -- |
| 1980 | 78°F | 50°F | 0" | -- |
| 1979 | 83°F | 60°F | 0" | -- |
| 1978 | 78°F | 51°F | 0" | -- |
| 1977 | 71°F | 55°F | 0.05" | -- |
| 1976 | 73°F | 50°F | 0" | -- |
| 1975 | 85°F | 49°F | 0" | -- |
| 1974 | 89°F | 61°F | 0" | -- |
| 1973 | 70°F | 50°F | 0" | -- |
| 1972 | 89°F | 63°F | 0" | -- |
| 1971 | 82°F | 56°F | 0" | -- |
Based on 55 years of data from NOAA station: PORTLAND KGW-TV
How Has August 26 Changed?
The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
Monthly Climate Averages
Historical temperature and precipitation averages for Portland, OR, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.