Weather on May 26
Hillsboro, OR
55 Years of Data
Avg High
70°F
Avg Low
48°F
Warmest
1986
73°F avg
Coldest
2011
44°F avg
About This Date
May 26th in Hillsboro, OR typically brings pleasant spring weather, with average highs around 70°F and lows near 48°F. Over 55 years of records, the warmest May 26th was in 1986 (73°F average), while the coldest was 2011 (44°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 40% of May 26th dates historically, with the wettest May 26th recording 1.12" of rain. The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
Planning for May 26th in Hillsboro, OR? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 71° | 49° | 60° | — | — |
| 2024 | 70° | 45° | 57° | — | — |
| 2023 | 86° | 52° | 69° | — | — |
| 2022 | 71° | 53° | 62° | 0.05" | — |
| 2021 | 72° | 46° | 59° | — | — |
| 2020 | 73° | 51° | 62° | — | — |
| 2019 | 72° | 48° | 60° | — | — |
| 2018 | 67° | 42° | 54° | — | — |
| 2017 | 83° | 47° | 65° | — | — |
| 2016 | 63° | 50° | 56° | — | — |
| 2015 | 71° | 52° | 61° | — | — |
| 2014 | 69° | 50° | 60° | — | — |
| 2013 | 66° | 52° | 59° | 0.2" | — |
| 2012 | 67° | 48° | 57° | — | — |
| 2011coldest | 54° | 35° | 44° | 0.15" | — |
| 2010 | 62° | 46° | 54° | 0.91" | — |
| 2009 | 73° | 43° | 58° | — | — |
| 2008 | 61° | 53° | 57° | 0.03" | — |
| 2007 | 74° | 51° | 62° | — | — |
| 2006 | 58° | 46° | 52° | 0.3" | — |
| 2005 | 86° | 55° | 71° | — | — |
| 2004 | 66° | 57° | 62° | 0.03" | — |
| 2003 | 66° | 51° | 59° | — | — |
| 2002 | 72° | 55° | 63° | 0.03" | — |
| 2001 | 82° | 38° | 60° | — | — |
| 2000 | 72° | 57° | 64° | 0.05" | — |
| 1999 | 80° | 50° | 65° | — | — |
| 1998 | 64° | 47° | 55° | 0.03" | — |
| 1997 | 75° | 55° | 65° | 0.33" | — |
| 1996 | 69° | 44° | 57° | — | — |
| 1995 | 83° | 51° | 67° | — | — |
| 1994 | 71° | 45° | 58° | — | — |
| 1993 | 63° | 55° | 59° | 0.18" | — |
| 1992 | 78° | 55° | 67° | — | — |
| 1991 | 60° | 46° | 53° | 0.3" | — |
| 1990 | 67° | 40° | 53° | 0.05" | — |
| 1989 | 63° | 46° | 54° | 0.1" | — |
| 1988 | 70° | 45° | 57° | — | — |
| 1987 | 60° | 44° | 52° | — | — |
| 1986warmest | 85° | 61° | 73° | — | — |
| 1985 | 67° | 51° | 59° | — | — |
| 1984 | 59° | 43° | 51° | 1.12" | — |
| 1983 | 81° | 50° | 65° | — | — |
| 1982 | 70° | 43° | 56° | — | — |
| 1981 | 68° | 46° | 57° | 0.03" | — |
| 1980 | 59° | 46° | 53° | 0.03" | — |
| 1979 | 70° | 42° | 56° | — | — |
| 1978 | 59° | 49° | 54° | 0.51" | — |
| 1977 | 59° | 39° | 49° | 0.3" | — |
| 1976 | 82° | 47° | 64° | — | — |
| 1975 | 66° | 52° | 59° | 0.13" | — |
| 1974 | 69° | 49° | 59° | — | — |
| 1973 | 64° | 36° | 50° | — | — |
| 1972 | 85° | 44° | 64° | — | — |
| 1971 | 64° | 55° | 60° | 0.46" | — |
55 years of data from HILLSBORO