Weather on August 14
Hillsboro, OR
55 Years of Data
Avg High
83°F
Avg Low
53°F
Warmest
2023
85°F avg
Coldest
1979
58°F avg
About This Date
August 14th in Hillsboro, OR typically brings warm summer weather, with average highs around 83°F and lows near 53°F — a 30°F daily swing. Over 55 years of records, the warmest August 14th was in 2023 (85°F average), while the coldest was 1979 (58°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 11% of August 14th dates historically. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
Planning for August 14th in Hillsboro, OR? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 81° | 60° | 70° | — | — |
| 2024 | 80° | 57° | 69° | — | — |
| 2023warmest | 107° | 63° | 85° | — | — |
| 2022 | 86° | 50° | 68° | — | — |
| 2021 | 92° | 64° | 78° | — | — |
| 2020 | 89° | 48° | 69° | — | — |
| 2019 | 87° | 55° | 71° | — | — |
| 2018 | 95° | 53° | 74° | — | — |
| 2017 | 76° | 45° | 60° | — | — |
| 2016 | 90° | 55° | 72° | — | — |
| 2015 | 74° | 61° | 67° | — | — |
| 2014 | 78° | 56° | 67° | — | — |
| 2013 | 84° | 51° | 68° | — | — |
| 2012 | 89° | 51° | 70° | — | — |
| 2011 | 74° | 55° | 64° | — | — |
| 2010 | 96° | 54° | 75° | — | — |
| 2009 | 68° | 48° | 58° | — | — |
| 2008 | 101° | 57° | 79° | — | — |
| 2007 | 91° | 50° | 71° | — | — |
| 2006 | 91° | 54° | 72° | — | — |
| 2005 | 95° | 55° | 75° | — | — |
| 2004 | 88° | 58° | 73° | — | — |
| 2003 | 95° | 52° | 73° | — | — |
| 2002 | 94° | 51° | 72° | — | — |
| 2001 | 82° | 54° | 68° | — | — |
| 2000 | 76° | 43° | 59° | — | — |
| 1999 | 69° | 50° | 60° | 0.28" | — |
| 1998 | 89° | 62° | 76° | — | — |
| 1997 | 93° | 53° | 73° | — | — |
| 1996 | 88° | 50° | 69° | — | — |
| 1995 | 82° | 52° | 67° | — | — |
| 1994 | 80° | 52° | 66° | — | — |
| 1993 | 66° | 58° | 62° | — | — |
| 1992 | 97° | 56° | 76° | — | — |
| 1991 | 83° | 54° | 68° | — | — |
| 1990 | 79° | 53° | 66° | — | — |
| 1989 | 77° | 55° | 66° | — | — |
| 1988 | 70° | 54° | 62° | — | — |
| 1987 | 70° | 54° | 62° | 0.3" | — |
| 1986 | 87° | 56° | 71° | — | — |
| 1985 | 89° | 51° | 70° | — | — |
| 1984 | 76° | 48° | 62° | — | — |
| 1983 | 92° | 54° | 73° | — | — |
| 1982 | 73° | 43° | 58° | 0.13" | — |
| 1981 | 85° | 55° | 70° | — | — |
| 1980 | 74° | 49° | 61° | — | — |
| 1979coldest | 67° | 50° | 58° | 0.38" | — |
| 1978 | 77° | 46° | 62° | — | — |
| 1977 | 89° | 52° | 70° | — | — |
| 1976 | 72° | 56° | 64° | 0.3" | — |
| 1975 | 87° | 50° | 69° | — | — |
| 1974 | 72° | 50° | 61° | — | — |
| 1973 | 82° | 45° | 63° | — | — |
| 1972 | 72° | 52° | 62° | 0.3" | — |
| 1971 | 79° | 50° | 64° | — | — |
55 years of data from HILLSBORO