Weather on May 8
Hillsboro, OR
55 Years of Data
Avg High
67°F
Avg Low
42°F
Warmest
1987
76°F avg
Coldest
2022
43°F avg
About This Date
May 8th in Hillsboro, OR typically brings mild spring weather, with average highs around 67°F and lows near 42°F — a 25°F daily swing. Over 55 years of records, the warmest May 8th was in 1987 (76°F average), while the coldest was 2022 (43°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 42% of May 8th dates historically, with the wettest May 8th recording 1.27" of rain. The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
Planning for May 8th in Hillsboro, OR? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 35° | 52° | — | — |
| 2024 | 68° | 34° | 51° | — | — |
| 2023 | 68° | 41° | 55° | 0.69" | — |
| 2022coldest | 52° | 35° | 43° | 0.74" | — |
| 2021 | 60° | 33° | 47° | — | — |
| 2020 | 80° | 44° | 62° | — | — |
| 2019 | 78° | 44° | 61° | — | — |
| 2018 | 78° | 47° | 62° | 0.05" | — |
| 2017 | 72° | 39° | 55° | — | — |
| 2016 | 64° | 49° | 56° | — | — |
| 2015 | 80° | 41° | 61° | — | — |
| 2014 | 58° | 48° | 53° | 0.91" | — |
| 2013 | 70° | 48° | 59° | — | — |
| 2012 | 72° | 44° | 58° | — | — |
| 2011 | 57° | 47° | 52° | 0.74" | — |
| 2010 | 68° | 37° | 53° | — | — |
| 2009 | 62° | 34° | 48° | — | — |
| 2008 | 55° | 39° | 47° | — | — |
| 2007 | 79° | 41° | 60° | — | — |
| 2006 | 59° | 35° | 47° | 0.03" | — |
| 2005 | 66° | 50° | 58° | 0.79" | — |
| 2004 | 65° | 44° | 54° | 0.23" | — |
| 2003 | 57° | 41° | 49° | 0.05" | — |
| 2002 | 57° | 35° | 46° | 0.05" | — |
| 2001 | 66° | 22° | 44° | — | — |
| 2000 | 67° | 54° | 60° | 0.1" | — |
| 1999 | 55° | 39° | 47° | 0.2" | — |
| 1998 | 57° | 46° | 52° | 0.46" | — |
| 1997 | 80° | 49° | 64° | — | — |
| 1996 | 60° | 36° | 48° | — | — |
| 1995 | 69° | 50° | 60° | — | — |
| 1994 | 87° | 47° | 67° | — | — |
| 1993 | 58° | 45° | 51° | 0.25" | — |
| 1992 | 80° | 42° | 61° | — | — |
| 1991 | 57° | 44° | 51° | 1.27" | — |
| 1990 | 56° | 34° | 45° | — | — |
| 1989 | 79° | 48° | 63° | — | — |
| 1988 | 65° | 42° | 53° | — | — |
| 1987warmest | 95° | 58° | 76° | — | — |
| 1986 | 59° | 40° | 49° | 0.08" | — |
| 1985 | 63° | 35° | 49° | — | — |
| 1984 | 77° | 37° | 57° | 0.36" | — |
| 1983 | 54° | 42° | 48° | 0.36" | — |
| 1982 | 59° | 38° | 48° | 0.05" | — |
| 1981 | 66° | 40° | 53° | — | — |
| 1980 | 69° | 45° | 57° | — | — |
| 1979 | 57° | 43° | 50° | 0.03" | — |
| 1978 | 76° | 40° | 58° | — | — |
| 1977 | 66° | 45° | 55° | 0.23" | — |
| 1976 | 80° | 51° | 66° | — | — |
| 1975 | 74° | 44° | 59° | — | — |
| 1974 | 66° | 48° | 57° | — | — |
| 1973 | 61° | 51° | 56° | 0.28" | — |
| 1972 | 58° | 44° | 51° | 0.03" | — |
| 1971 | 75° | 52° | 63° | — | — |
55 years of data from HILLSBORO