Weather on May 16
Hillsboro, OR
55 Years of Data
Avg High
68°F
Avg Low
44°F
Warmest
2008
71°F avg
Coldest
2001
26°F avg
About This Date
May 16th 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 16th was in 2008 (71°F average), while the coldest was 2001 (26°F) — a 45°F range across recorded history. Rain or other precipitation has occurred on about 42% of May 16th dates historically, with the wettest May 16th recording 1.98" of rain. The last decade has been 4.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.3°F warmer on this date compared to 20-30 years ago.
Planning for May 16th in Hillsboro, OR? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 63° | 48° | 55° | 0.08" | — |
| 2024 | 72° | 47° | 59° | — | — |
| 2023 | 84° | 58° | 71° | — | — |
| 2022 | 64° | 45° | 54° | — | — |
| 2021 | 83° | 42° | 62° | — | — |
| 2020 | 66° | 52° | 59° | 0.81" | — |
| 2019 | 60° | 51° | 56° | 0.18" | — |
| 2018 | 67° | 53° | 60° | — | — |
| 2017 | 56° | 47° | 51° | 0.48" | — |
| 2016 | 61° | 53° | 57° | — | — |
| 2015 | 60° | 49° | 54° | — | — |
| 2014 | 70° | 45° | 57° | — | — |
| 2013 | 63° | 45° | 54° | 0.25" | — |
| 2012 | 74° | 43° | 58° | — | — |
| 2011 | 60° | 42° | 51° | 0.08" | — |
| 2010 | 75° | 52° | 63° | — | — |
| 2009 | 83° | 40° | 61° | — | — |
| 2008warmest | 93° | 49° | 71° | — | — |
| 2007 | 70° | 39° | 54° | — | — |
| 2006 | 86° | 53° | 70° | — | — |
| 2005 | 63° | 50° | 56° | 0.53" | — |
| 2004 | 66° | 50° | 58° | 0.13" | — |
| 2003 | 57° | 42° | 50° | 0.25" | — |
| 2002 | 67° | 41° | 54° | — | — |
| 2001coldest | 62° | -10° | 26° | 0.03" | — |
| 2000 | 78° | 48° | 63° | — | — |
| 1999 | 66° | 47° | 56° | 0.64" | — |
| 1998 | 54° | 48° | 51° | 1.98" | — |
| 1997 | 83° | 54° | 68° | — | — |
| 1996 | 67° | 52° | 59° | 1.45" | — |
| 1995 | 65° | 49° | 57° | — | — |
| 1994 | 64° | 49° | 56° | 0.13" | — |
| 1993 | 73° | 48° | 61° | — | — |
| 1992 | 73° | 42° | 58° | — | — |
| 1991 | 67° | 44° | 55° | — | — |
| 1990 | 62° | 41° | 52° | — | — |
| 1989 | 80° | 44° | 62° | — | — |
| 1988 | 76° | 48° | 62° | 0.66" | — |
| 1987 | 66° | 44° | 55° | — | — |
| 1986 | 66° | 37° | 52° | — | — |
| 1985 | 80° | 39° | 60° | — | — |
| 1984 | 60° | 42° | 51° | 0.25" | — |
| 1983 | 59° | 39° | 49° | 0.56" | — |
| 1982 | 72° | 45° | 58° | — | — |
| 1981 | 60° | 38° | 49° | 0.1" | — |
| 1980 | 60° | 36° | 48° | 0.15" | — |
| 1979 | 69° | 41° | 55° | — | — |
| 1978 | 65° | 40° | 52° | — | — |
| 1977 | 57° | 42° | 50° | 0.58" | — |
| 1976 | 69° | 45° | 57° | — | — |
| 1975 | 71° | 42° | 57° | — | — |
| 1974 | 55° | 40° | 47° | 0.51" | — |
| 1973 | 84° | 47° | 65° | — | — |
| 1972 | 64° | 47° | 55° | 1.02" | — |
| 1971 | 54° | 41° | 47° | 0.48" | — |
55 years of data from HILLSBORO