Weather on July 4
Hillsboro, OR
55 Years of Data
Avg High
78°F
Avg Low
51°F
Warmest
1997
79°F avg
Coldest
1977
53°F avg
About This Date
July 4th in Hillsboro, OR typically brings pleasant summer weather, with average highs around 78°F and lows near 51°F — a 27°F daily swing. Over 55 years of records, the warmest July 4th was in 1997 (79°F average), while the coldest was 1977 (53°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 13% of July 4th dates historically, with the wettest July 4th recording 1.4" of rain. The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
Planning for July 4th in Hillsboro, OR? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 51° | 61° | — | — |
| 2024 | 92° | 53° | 72° | — | — |
| 2023 | 95° | 54° | 74° | — | — |
| 2022 | 77° | 47° | 62° | — | — |
| 2021 | 87° | 50° | 69° | — | — |
| 2020 | 73° | 54° | 63° | — | — |
| 2019 | 80° | 49° | 64° | — | — |
| 2018 | 83° | 53° | 68° | — | — |
| 2017 | 84° | 51° | 68° | — | — |
| 2016 | 71° | 53° | 62° | — | — |
| 2015 | 96° | 54° | 75° | — | — |
| 2014 | 80° | 53° | 67° | — | — |
| 2013 | 74° | 48° | 61° | — | — |
| 2012 | 74° | 43° | 58° | — | — |
| 2011 | 81° | 46° | 63° | — | — |
| 2010 | 69° | 45° | 57° | — | — |
| 2009 | 92° | 50° | 71° | — | — |
| 2008 | 73° | 57° | 65° | — | — |
| 2007 | 92° | 53° | 72° | — | — |
| 2006 | 78° | 52° | 65° | — | — |
| 2005 | 84° | 50° | 67° | — | — |
| 2004 | 78° | 47° | 62° | — | — |
| 2003 | 81° | 47° | 64° | — | — |
| 2002 | 69° | 47° | 58° | — | — |
| 2001 | 89° | 56° | 72° | — | — |
| 2000 | 67° | 43° | 55° | — | — |
| 1999 | 68° | 48° | 58° | 0.03" | — |
| 1998 | 69° | 60° | 65° | — | — |
| 1997warmest | 95° | 63° | 79° | — | — |
| 1996 | 69° | 47° | 58° | — | — |
| 1995 | 80° | 58° | 69° | — | — |
| 1994 | 68° | 49° | 58° | — | — |
| 1993 | 71° | 53° | 62° | — | — |
| 1992 | 82° | 60° | 71° | 1.02" | — |
| 1991 | 88° | 51° | 69° | — | — |
| 1990 | 74° | 47° | 60° | — | — |
| 1989 | 72° | 47° | 59° | — | — |
| 1988 | 72° | 51° | 61° | — | — |
| 1987 | 80° | 59° | 70° | — | — |
| 1986 | 69° | 50° | 60° | 1.4" | — |
| 1985 | 88° | 51° | 69° | — | — |
| 1984 | 83° | 53° | 68° | — | — |
| 1983 | 73° | 47° | 60° | — | — |
| 1982 | 66° | 50° | 58° | 0.36" | — |
| 1981 | 93° | 56° | 74° | — | — |
| 1980 | 59° | 53° | 56° | 0.58" | — |
| 1979 | 74° | 50° | 62° | — | — |
| 1978 | 70° | 53° | 61° | — | — |
| 1977coldest | 64° | 41° | 53° | 0.36" | — |
| 1976 | 75° | 57° | 66° | 0.1" | — |
| 1975 | 92° | 51° | 71° | — | — |
| 1974 | 76° | 57° | 66° | — | — |
| 1973 | 79° | 55° | 67° | — | — |
| 1972 | 97° | 53° | 75° | — | — |
| 1971 | 75° | 49° | 62° | — | — |
55 years of data from HILLSBORO