Weather on April 27
Hillsboro, OR
55 Years of Data
Avg High
63°F
Avg Low
42°F
Warmest
2015
67°F avg
Coldest
1990
45°F avg
About This Date
April 27th in Hillsboro, OR typically brings mild spring weather, with average highs around 63°F and lows near 42°F. Over 55 years of records, the warmest April 27th was in 2015 (67°F average), while the coldest was 1990 (45°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 58% of April 27th dates historically, with the wettest April 27th recording 0.94" of rain. The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
Planning for April 27th in Hillsboro, OR? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 61° | 36° | 48° | — | — |
| 2024 | 54° | 47° | 50° | 0.08" | — |
| 2023 | 81° | 47° | 64° | — | — |
| 2022 | 57° | 41° | 49° | 0.15" | — |
| 2021 | 65° | 36° | 50° | — | — |
| 2020 | 67° | 46° | 56° | 0.03" | — |
| 2019 | 57° | 39° | 48° | 0.03" | — |
| 2018 | 56° | 45° | 50° | 0.13" | — |
| 2017 | 58° | 35° | 46° | — | — |
| 2016 | 59° | 46° | 53° | 0.05" | — |
| 2015warmest | 82° | 51° | 67° | — | — |
| 2014 | 56° | 39° | 47° | 0.64" | — |
| 2013 | 71° | 39° | 55° | — | — |
| 2012 | 57° | 35° | 46° | 0.15" | — |
| 2011 | 55° | 38° | 46° | 0.23" | — |
| 2010 | 55° | 44° | 50° | 0.94" | — |
| 2009 | 57° | 41° | 49° | 0.08" | — |
| 2008 | 68° | 39° | 54° | — | — |
| 2007 | 66° | 52° | 59° | — | — |
| 2006 | 73° | 41° | 57° | — | — |
| 2005 | 77° | 42° | 60° | 0.03" | — |
| 2004 | 71° | 46° | 59° | — | — |
| 2003 | 58° | 37° | 47° | 0.05" | — |
| 2002 | 52° | 39° | 45° | 0.53" | — |
| 2001 | 61° | 42° | 51° | 0.05" | — |
| 2000 | 62° | 44° | 53° | 0.03" | — |
| 1999 | 56° | 37° | 46° | 0.15" | — |
| 1998 | 79° | 50° | 64° | — | — |
| 1997 | 58° | 44° | 51° | 0.33" | — |
| 1996 | 62° | 39° | 51° | — | — |
| 1995 | 55° | 45° | 50° | 0.64" | — |
| 1994 | 62° | 43° | 52° | 0.03" | — |
| 1993 | 60° | 40° | 50° | 0.18" | — |
| 1992 | 70° | 56° | 63° | 0.28" | — |
| 1991 | 56° | 38° | 47° | 0.23" | — |
| 1990coldest | 53° | 38° | 45° | 0.53" | — |
| 1989 | 57° | 42° | 50° | 0.03" | — |
| 1988 | 70° | 37° | 53° | — | — |
| 1987 | 87° | 42° | 65° | — | — |
| 1986 | 51° | 45° | 48° | 0.23" | — |
| 1985 | 58° | 53° | 55° | 0.13" | — |
| 1984 | 64° | 33° | 49° | 0.03" | — |
| 1983 | 64° | 41° | 53° | — | — |
| 1982 | 65° | 42° | 53° | — | — |
| 1981 | 64° | 42° | 53° | — | — |
| 1980 | 78° | 47° | 62° | — | — |
| 1979 | 57° | 53° | 55° | 0.46" | — |
| 1978 | 63° | 49° | 56° | 0.03" | — |
| 1977 | 74° | 36° | 55° | — | — |
| 1976 | 70° | 39° | 54° | — | — |
| 1975 | 53° | 41° | 47° | 0.15" | — |
| 1974 | 58° | 43° | 50° | — | — |
| 1973 | 57° | 43° | 50° | — | — |
| 1972 | 76° | 40° | 58° | 0.05" | — |
| 1971 | 68° | 44° | 56° | — | — |
55 years of data from HILLSBORO