Weather on May 11
Hillsboro, OR
55 Years of Data
Avg High
68°F
Avg Low
44°F
Warmest
1997
74°F avg
Coldest
1985
44°F avg
About This Date
May 11th in Hillsboro, OR typically brings mild spring weather, with average highs around 68°F and lows near 44°F. Over 55 years of records, the warmest May 11th was in 1997 (74°F average), while the coldest was 1985 (44°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 35% of May 11th dates historically, with the wettest May 11th recording 1.19" of rain. The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
Planning for May 11th in Hillsboro, OR? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 59° | 50° | 55° | 0.46" | — |
| 2024 | 88° | 50° | 69° | — | — |
| 2023 | 78° | 46° | 62° | — | — |
| 2022 | 61° | 38° | 49° | — | — |
| 2021 | 75° | 41° | 58° | — | — |
| 2020 | 68° | 49° | 58° | 0.15" | — |
| 2019 | 85° | 47° | 66° | — | — |
| 2018 | 71° | 39° | 55° | — | — |
| 2017 | 58° | 44° | 51° | 1.19" | — |
| 2016 | 84° | 44° | 64° | — | — |
| 2015 | 60° | 50° | 55° | 0.46" | — |
| 2014 | 67° | 37° | 52° | — | — |
| 2013 | 84° | 55° | 70° | — | — |
| 2012 | 72° | 36° | 54° | — | — |
| 2011 | 53° | 36° | 44° | 0.94" | — |
| 2010 | 62° | 46° | 54° | — | — |
| 2009 | 63° | 46° | 54° | — | — |
| 2008 | 57° | 38° | 47° | — | — |
| 2007 | 72° | 38° | 55° | — | — |
| 2006 | 66° | 44° | 55° | — | — |
| 2005 | 60° | 44° | 52° | — | — |
| 2004 | 61° | 45° | 53° | 0.03" | — |
| 2003 | 60° | 44° | 52° | — | — |
| 2002 | 64° | 40° | 52° | — | — |
| 2001 | 80° | 46° | 63° | — | — |
| 2000 | 61° | 44° | 52° | — | — |
| 1999 | 64° | 46° | 55° | 0.48" | — |
| 1998 | 59° | 48° | 54° | 0.1" | — |
| 1997warmest | 92° | 56° | 74° | — | — |
| 1996 | 62° | 51° | 57° | 0.38" | — |
| 1995 | 60° | 41° | 51° | 0.1" | — |
| 1994 | 85° | 47° | 66° | — | — |
| 1993 | 85° | 51° | 68° | — | — |
| 1992 | 61° | 39° | 50° | 0.03" | — |
| 1991 | 57° | 47° | 52° | — | — |
| 1990 | 57° | 45° | 51° | 0.08" | — |
| 1989 | 63° | 40° | 51° | — | — |
| 1988 | 82° | 49° | 65° | — | — |
| 1987 | 84° | 50° | 67° | — | — |
| 1986 | 52° | 37° | 44° | 0.38" | — |
| 1985coldest | 60° | 29° | 44° | 0.15" | — |
| 1984 | 59° | 46° | 53° | 0.64" | — |
| 1983 | 63° | 39° | 51° | — | — |
| 1982 | 58° | 42° | 50° | — | — |
| 1981 | 66° | 45° | 55° | — | — |
| 1980 | 64° | 49° | 56° | 0.03" | — |
| 1979 | 72° | 43° | 57° | — | — |
| 1978 | 62° | 46° | 54° | 0.2" | — |
| 1977 | 62° | 38° | 50° | — | — |
| 1976 | 67° | 43° | 55° | — | — |
| 1975 | 62° | 48° | 55° | 0.41" | — |
| 1974 | 64° | 49° | 56° | 0.15" | — |
| 1973 | 79° | 39° | 59° | — | — |
| 1972 | 78° | 43° | 60° | — | — |
| 1971 | 89° | 45° | 67° | — | — |
55 years of data from HILLSBORO