Weather on May 17
Hillsboro, OR
55 Years of Data
Avg High
69°F
Avg Low
45°F
Warmest
2008
73°F avg
Coldest
1974
46°F avg
About This Date
May 17th in Hillsboro, OR typically brings mild spring weather, with average highs around 69°F and lows near 45°F. Over 55 years of records, the warmest May 17th was in 2008 (73°F average), while the coldest was 1974 (46°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 35% of May 17th dates historically, with the wettest May 17th recording 1.5" of rain. The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
Planning for May 17th in Hillsboro, OR? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 65° | 48° | 56° | 0.76" | — |
| 2024 | 65° | 43° | 54° | — | — |
| 2023 | 90° | 55° | 72° | — | — |
| 2022 | 65° | 43° | 54° | — | — |
| 2021 | 65° | 44° | 54° | — | — |
| 2020 | 67° | 47° | 57° | — | — |
| 2019 | 63° | 52° | 57° | — | — |
| 2018 | 67° | 50° | 58° | — | — |
| 2017 | 59° | 45° | 52° | — | — |
| 2016 | 75° | 47° | 61° | — | — |
| 2015 | 69° | 50° | 60° | — | — |
| 2014 | 70° | 50° | 60° | — | — |
| 2013 | 62° | 40° | 51° | 0.53" | — |
| 2012 | 68° | 37° | 53° | — | — |
| 2011 | 61° | 37° | 49° | 0.03" | — |
| 2010 | 74° | 53° | 63° | 0.48" | — |
| 2009 | 82° | 45° | 63° | — | — |
| 2008warmest | 92° | 55° | 73° | — | — |
| 2007 | 72° | 39° | 55° | — | — |
| 2006 | 84° | 49° | 66° | — | — |
| 2005 | 58° | 47° | 52° | 0.38" | — |
| 2004 | 75° | 44° | 60° | — | — |
| 2003 | 57° | 39° | 48° | 0.36" | — |
| 2002 | 72° | 41° | 56° | 0.66" | — |
| 2001 | 57° | 40° | 48° | — | — |
| 2000 | 72° | 51° | 61° | — | — |
| 1999 | 66° | 52° | 59° | 0.08" | — |
| 1998 | 64° | 50° | 57° | 0.05" | — |
| 1997 | 78° | 51° | 65° | — | — |
| 1996 | 65° | 52° | 58° | 0.84" | — |
| 1995 | 58° | 48° | 53° | — | — |
| 1994 | 62° | 47° | 54° | 0.28" | — |
| 1993 | 78° | 49° | 63° | — | — |
| 1992 | 83° | 42° | 62° | — | — |
| 1991 | 73° | 47° | 60° | 1.5" | — |
| 1990 | 68° | 41° | 55° | — | — |
| 1989 | 70° | 49° | 59° | — | — |
| 1988 | 60° | 43° | 51° | 0.41" | — |
| 1987 | 67° | 43° | 55° | — | — |
| 1986 | 69° | 43° | 56° | — | — |
| 1985 | 87° | 46° | 67° | — | — |
| 1984 | 63° | 47° | 55° | 0.03" | — |
| 1983 | 62° | 43° | 52° | — | — |
| 1982 | 73° | 48° | 61° | 0.41" | — |
| 1981 | 64° | 45° | 54° | 0.15" | — |
| 1980 | 69° | 36° | 52° | — | — |
| 1979 | 74° | 42° | 58° | — | — |
| 1978 | 66° | 44° | 55° | — | — |
| 1977 | 60° | 47° | 53° | 0.03" | — |
| 1976 | 61° | 42° | 51° | — | — |
| 1975 | 70° | 40° | 55° | — | — |
| 1974coldest | 57° | 35° | 46° | — | — |
| 1973 | 85° | 48° | 66° | — | — |
| 1972 | 69° | 46° | 58° | 1.17" | — |
| 1971 | 56° | 41° | 48° | 0.05" | — |
55 years of data from HILLSBORO