Weather on August 25
Hillsboro, OR
55 Years of Data
Avg High
80°F
Avg Low
51°F
Warmest
2022
77°F avg
Coldest
1977
55°F avg
About This Date
August 25th in Hillsboro, OR typically brings warm summer weather, with average highs around 80°F and lows near 51°F — a 29°F daily swing. Over 55 years of records, the warmest August 25th was in 2022 (77°F average), while the coldest was 1977 (55°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 16% of August 25th dates historically, with the wettest August 25th recording 2.62" of rain. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for August 25th in Hillsboro, OR? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 91° | 61° | 76° | — | — |
| 2024 | 79° | 50° | 64° | — | — |
| 2023 | 92° | 63° | 77° | — | — |
| 2022warmest | 94° | 60° | 77° | — | — |
| 2021 | 80° | 48° | 64° | — | — |
| 2020 | 82° | 50° | 66° | — | — |
| 2019 | 80° | 53° | 67° | — | — |
| 2018 | 72° | 42° | 57° | — | — |
| 2017 | 82° | 47° | 64° | — | — |
| 2016 | 96° | 55° | 76° | — | — |
| 2015 | 85° | 46° | 65° | — | — |
| 2014 | 89° | 52° | 70° | — | — |
| 2013 | 69° | 52° | 60° | 0.18" | — |
| 2012 | 82° | 44° | 63° | — | — |
| 2011 | 88° | 63° | 75° | — | — |
| 2010 | 96° | 51° | 74° | — | — |
| 2009 | 71° | 47° | 59° | 0.03" | — |
| 2008 | 69° | 49° | 59° | 0.03" | — |
| 2007 | 78° | 49° | 63° | — | — |
| 2006 | 89° | 47° | 68° | — | — |
| 2005 | 92° | 46° | 69° | — | — |
| 2004 | 68° | 59° | 64° | 0.86" | — |
| 2003 | 90° | 50° | 70° | — | — |
| 2002 | 74° | 52° | 63° | — | — |
| 2001 | 73° | 46° | 60° | — | — |
| 2000 | 77° | 54° | 65° | — | — |
| 1999 | 83° | 56° | 69° | — | — |
| 1998 | 81° | 55° | 68° | — | — |
| 1997 | 79° | 60° | 69° | 0.05" | — |
| 1996 | 87° | 63° | 75° | — | — |
| 1995 | 81° | 45° | 63° | — | — |
| 1994 | 81° | 51° | 66° | — | — |
| 1993 | 70° | 43° | 56° | — | — |
| 1992 | 82° | 44° | 63° | — | — |
| 1991 | 74° | 45° | 59° | — | — |
| 1990 | 71° | 44° | 58° | 0.08" | — |
| 1989 | 72° | 48° | 60° | — | — |
| 1988 | 87° | 47° | 67° | — | — |
| 1987 | 87° | 48° | 68° | — | — |
| 1986 | 85° | 52° | 68° | — | — |
| 1985 | 83° | 52° | 67° | — | — |
| 1984 | 77° | 49° | 63° | — | — |
| 1983 | 70° | 44° | 57° | — | — |
| 1982 | 96° | 54° | 75° | — | — |
| 1981 | 79° | 48° | 63° | — | — |
| 1980 | 77° | 46° | 62° | — | — |
| 1979 | 82° | 53° | 68° | — | — |
| 1978 | 70° | 53° | 61° | 0.79" | — |
| 1977coldest | 59° | 51° | 55° | 2.62" | — |
| 1976 | 70° | 52° | 61° | 0.81" | — |
| 1975 | 71° | 49° | 60° | — | — |
| 1974 | 89° | 55° | 72° | — | — |
| 1973 | 76° | 50° | 63° | — | — |
| 1972 | 88° | 51° | 69° | — | — |
| 1971 | 82° | 49° | 65° | — | — |
55 years of data from HILLSBORO