Weather on August 13
Hillsboro, OR
55 Years of Data
Avg High
83°F
Avg Low
54°F
Warmest
2021
81°F avg
Coldest
1974
59°F avg
About This Date
August 13th in Hillsboro, OR typically brings warm summer weather, with average highs around 83°F and lows near 54°F — a 29°F daily swing. Over 55 years of records, the warmest August 13th was in 2021 (81°F average), while the coldest was 1974 (59°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 15% of August 13th dates historically, with the wettest August 13th recording 0.53" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for August 13th in Hillsboro, OR? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 88° | 61° | 74° | — | — |
| 2024 | 71° | 59° | 65° | — | — |
| 2023 | 101° | 60° | 80° | — | — |
| 2022 | 78° | 53° | 66° | — | — |
| 2021warmest | 97° | 66° | 81° | — | — |
| 2020 | 79° | 43° | 61° | — | — |
| 2019 | 89° | 53° | 71° | — | — |
| 2018 | 92° | 51° | 71° | — | — |
| 2017 | 75° | 54° | 64° | 0.33" | — |
| 2016 | 94° | 60° | 77° | — | — |
| 2015 | 88° | 59° | 73° | — | — |
| 2014 | 76° | 60° | 68° | 0.13" | — |
| 2013 | 86° | 52° | 69° | — | — |
| 2012 | 93° | 53° | 73° | — | — |
| 2011 | 71° | 49° | 60° | — | — |
| 2010 | 92° | 54° | 73° | — | — |
| 2009 | 70° | 48° | 59° | — | — |
| 2008 | 87° | 51° | 69° | — | — |
| 2007 | 82° | 46° | 64° | — | — |
| 2006 | 93° | 50° | 72° | — | — |
| 2005 | 91° | 57° | 74° | — | — |
| 2004 | 90° | 55° | 72° | — | — |
| 2003 | 83° | 50° | 66° | — | — |
| 2002 | 101° | 59° | 80° | — | — |
| 2001 | 89° | 57° | 73° | — | — |
| 2000 | 75° | 43° | 59° | — | — |
| 1999 | 69° | 57° | 63° | 0.2" | — |
| 1998 | 95° | 65° | 80° | — | — |
| 1997 | 91° | 59° | 75° | — | — |
| 1996 | 94° | 55° | 74° | — | — |
| 1995 | 77° | 47° | 62° | — | — |
| 1994 | 87° | 55° | 71° | — | — |
| 1993 | 72° | 54° | 63° | — | — |
| 1992 | 93° | 63° | 78° | — | — |
| 1991 | 86° | 52° | 69° | — | — |
| 1990 | 90° | 62° | 76° | — | — |
| 1989 | 77° | 52° | 64° | — | — |
| 1988 | 74° | 54° | 64° | — | — |
| 1987 | 78° | 51° | 65° | 0.53" | — |
| 1986 | 80° | 55° | 68° | — | — |
| 1985 | 80° | 51° | 66° | — | — |
| 1984 | 71° | 46° | 59° | — | — |
| 1983 | 83° | 51° | 67° | — | — |
| 1982 | 73° | 53° | 63° | — | — |
| 1981 | 91° | 56° | 73° | — | — |
| 1980 | 79° | 48° | 63° | — | — |
| 1979 | 66° | 56° | 61° | 0.18" | — |
| 1978 | 75° | 55° | 65° | 0.15" | — |
| 1977 | 94° | 55° | 74° | — | — |
| 1976 | 63° | 56° | 59° | 0.23" | — |
| 1975 | 88° | 47° | 67° | — | — |
| 1974coldest | 70° | 49° | 59° | 0.05" | — |
| 1973 | 83° | 55° | 69° | — | — |
| 1972 | 75° | 44° | 60° | — | — |
| 1971 | 75° | 49° | 62° | — | — |
55 years of data from HILLSBORO