Weather on August 26
Hillsboro, OR
55 Years of Data
Avg High
81°F
Avg Low
51°F
Warmest
2025
81°F avg
Coldest
1993
56°F avg
About This Date
August 26th in Hillsboro, OR typically brings warm summer weather, with average highs around 81°F and lows near 51°F — a 30°F daily swing. Over 55 years of records, the warmest August 26th was in 2025 (81°F average), while the coldest was 1993 (56°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 13% of August 26th dates historically, with the wettest August 26th recording 1.27" of rain. The last decade has been 4.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.8°F warmer on this date compared to 20-30 years ago.
Planning for August 26th in Hillsboro, OR? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 93° | 68° | 81° | — | — |
| 2024 | 84° | 50° | 67° | — | — |
| 2023 | 92° | 58° | 75° | — | — |
| 2022 | 79° | 54° | 66° | — | — |
| 2021 | 78° | 54° | 66° | — | — |
| 2020 | 84° | 48° | 66° | — | — |
| 2019 | 86° | 49° | 67° | — | — |
| 2018 | 69° | 50° | 60° | — | — |
| 2017 | 93° | 50° | 72° | — | — |
| 2016 | 96° | 56° | 76° | — | — |
| 2015 | 88° | 49° | 68° | — | — |
| 2014 | 93° | 56° | 74° | — | — |
| 2013 | 78° | 57° | 68° | 0.61" | — |
| 2012 | 71° | 49° | 60° | 0.05" | — |
| 2011 | 89° | 55° | 72° | — | — |
| 2010 | 71° | 48° | 60° | — | — |
| 2009 | 85° | 41° | 63° | — | — |
| 2008 | 72° | 47° | 59° | — | — |
| 2007 | 72° | 51° | 61° | — | — |
| 2006 | 96° | 52° | 74° | — | — |
| 2005 | 87° | 49° | 68° | — | — |
| 2004 | 72° | 56° | 64° | 0.56" | — |
| 2003 | 77° | 54° | 65° | — | — |
| 2002 | 75° | 53° | 64° | — | — |
| 2001 | 83° | 49° | 66° | — | — |
| 2000 | 73° | 51° | 62° | — | — |
| 1999 | 88° | 48° | 68° | — | — |
| 1998 | 77° | 52° | 64° | — | — |
| 1997 | 71° | 55° | 63° | 1.27" | — |
| 1996 | 70° | 59° | 64° | 0.08" | — |
| 1995 | 76° | 45° | 60° | — | — |
| 1994 | 82° | 50° | 66° | — | — |
| 1993coldest | 70° | 43° | 56° | — | — |
| 1992 | 88° | 45° | 66° | — | — |
| 1991 | 76° | 45° | 60° | — | — |
| 1990 | 71° | 51° | 61° | 0.08" | — |
| 1989 | 77° | 48° | 63° | — | — |
| 1988 | 84° | 47° | 65° | — | — |
| 1987 | 90° | 50° | 70° | — | — |
| 1986 | 92° | 54° | 73° | — | — |
| 1985 | 88° | 47° | 67° | — | — |
| 1984 | 84° | 49° | 66° | — | — |
| 1983 | 81° | 46° | 63° | — | — |
| 1982 | 87° | 55° | 71° | — | — |
| 1981 | 76° | 44° | 60° | — | — |
| 1980 | 86° | 42° | 64° | — | — |
| 1979 | 82° | 56° | 69° | — | — |
| 1978 | 77° | 48° | 63° | — | — |
| 1977 | 73° | 53° | 63° | 0.1" | — |
| 1976 | 71° | 45° | 58° | — | — |
| 1975 | 82° | 45° | 63° | — | — |
| 1974 | 91° | 53° | 72° | — | — |
| 1973 | 72° | 45° | 58° | — | — |
| 1972 | 93° | 56° | 74° | — | — |
| 1971 | 85° | 48° | 66° | — | — |
55 years of data from HILLSBORO