Weather on August 29
Hillsboro, OR
55 Years of Data
Avg High
80°F
Avg Low
53°F
Warmest
1988
76°F avg
Coldest
1980
54°F avg
About This Date
August 29th in Hillsboro, OR typically brings warm summer weather, with average highs around 80°F and lows near 53°F — a 27°F daily swing. Over 55 years of records, the warmest August 29th was in 1988 (76°F average), while the coldest was 1980 (54°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 15% of August 29th dates historically, with the wettest August 29th recording 1.07" of rain. The last decade has been 3.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.1°F warmer on this date compared to 20-30 years ago.
Planning for August 29th in Hillsboro, OR? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 85° | 59° | 72° | — | — |
| 2024 | 92° | 46° | 69° | — | — |
| 2023 | 76° | 58° | 67° | — | — |
| 2022 | 95° | 53° | 74° | — | — |
| 2021 | 88° | 52° | 70° | — | — |
| 2020 | 77° | 50° | 64° | — | — |
| 2019 | 83° | 66° | 74° | — | — |
| 2018 | 86° | 49° | 67° | — | — |
| 2017 | 89° | 57° | 73° | — | — |
| 2016 | 85° | 51° | 68° | — | — |
| 2015 | 73° | 60° | 67° | 0.69" | — |
| 2014 | 77° | 56° | 66° | — | — |
| 2013 | 79° | 63° | 71° | 1.07" | — |
| 2012 | 74° | 47° | 60° | — | — |
| 2011 | 72° | 55° | 63° | — | — |
| 2010 | 66° | 41° | 54° | 0.05" | — |
| 2009 | 75° | 58° | 66° | 0.03" | — |
| 2008 | 83° | 53° | 68° | — | — |
| 2007 | 95° | 50° | 73° | — | — |
| 2006 | 72° | 51° | 61° | — | — |
| 2005 | 73° | 53° | 63° | — | — |
| 2004 | 82° | 51° | 67° | — | — |
| 2003 | 88° | 50° | 69° | — | — |
| 2002 | 80° | 50° | 65° | — | — |
| 2001 | 79° | 58° | 68° | — | — |
| 2000 | 81° | 46° | 63° | — | — |
| 1999 | 65° | 55° | 60° | — | — |
| 1998 | 88° | 55° | 71° | — | — |
| 1997 | 79° | 55° | 67° | — | — |
| 1996 | 92° | 56° | 74° | — | — |
| 1995 | 71° | 51° | 61° | — | — |
| 1994 | 74° | 50° | 62° | — | — |
| 1993 | 72° | 48° | 60° | — | — |
| 1992 | 80° | 46° | 63° | — | — |
| 1991 | 82° | 57° | 70° | 0.08" | — |
| 1990 | 80° | 59° | 70° | — | — |
| 1989 | 82° | 52° | 67° | — | — |
| 1988warmest | 97° | 56° | 76° | — | — |
| 1987 | 85° | 52° | 68° | — | — |
| 1986 | 72° | 60° | 66° | — | — |
| 1985 | 76° | 44° | 60° | — | — |
| 1984 | 77° | 42° | 60° | — | — |
| 1983 | 66° | 54° | 60° | 1.07" | — |
| 1982 | 81° | 56° | 68° | — | — |
| 1981 | 86° | 49° | 67° | — | — |
| 1980coldest | 69° | 39° | 54° | — | — |
| 1979 | 72° | 59° | 65° | — | — |
| 1978 | 90° | 55° | 72° | — | — |
| 1977 | 67° | 50° | 58° | 0.38" | — |
| 1976 | 90° | 54° | 72° | — | — |
| 1975 | 69° | 54° | 61° | 0.13" | — |
| 1974 | 93° | 55° | 74° | — | — |
| 1973 | 77° | 58° | 67° | — | — |
| 1972 | 89° | 52° | 70° | — | — |
| 1971 | 85° | 58° | 71° | — | — |
55 years of data from HILLSBORO