Weather on April 20
Hillsboro, OR
55 Years of Data
Avg High
62°F
Avg Low
41°F
Warmest
2016
65°F avg
Coldest
2008
38°F avg
About This Date
April 20th in Hillsboro, OR typically brings mild spring weather, with average highs around 62°F and lows near 41°F. Over 55 years of records, the warmest April 20th was in 2016 (65°F average), while the coldest was 2008 (38°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 42% of April 20th dates historically, with the wettest April 20th recording 1.75" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for April 20th in Hillsboro, OR? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 58° | 44° | 51° | 0.1" | — |
| 2024 | 68° | 39° | 54° | — | — |
| 2023 | 48° | 31° | 40° | 0.94" | — |
| 2022 | 53° | 38° | 45° | 1.12" | — |
| 2021 | 74° | 40° | 57° | — | — |
| 2020 | 69° | 36° | 52° | — | — |
| 2019 | 65° | 47° | 56° | — | — |
| 2018 | 66° | 36° | 51° | — | — |
| 2017 | 60° | 40° | 50° | 0.18" | — |
| 2016warmest | 80° | 50° | 65° | — | — |
| 2015 | 80° | 43° | 61° | — | — |
| 2014 | 62° | 38° | 50° | — | — |
| 2013 | 58° | 43° | 50° | — | — |
| 2012 | 56° | 43° | 49° | 0.03" | — |
| 2011 | 57° | 37° | 47° | 0.03" | — |
| 2010 | 54° | 47° | 50° | 0.1" | — |
| 2009 | 81° | 42° | 61° | — | — |
| 2008coldest | 48° | 28° | 38° | — | — |
| 2007 | 62° | 32° | 47° | — | — |
| 2006 | 68° | 40° | 54° | — | — |
| 2005 | 68° | 36° | 52° | — | — |
| 2004 | 50° | 43° | 46° | 0.38" | — |
| 2003 | 63° | 40° | 51° | — | — |
| 2002 | 59° | 36° | 47° | — | — |
| 2001 | 57° | 41° | 49° | 0.64" | — |
| 2000 | 75° | 51° | 63° | — | — |
| 1999 | 58° | 43° | 50° | — | — |
| 1998 | 74° | 46° | 60° | — | — |
| 1997 | 63° | 39° | 51° | 0.08" | — |
| 1996 | 55° | 43° | 49° | 0.28" | — |
| 1995 | 55° | 38° | 46° | 0.76" | — |
| 1994 | 68° | 44° | 56° | — | — |
| 1993 | 67° | 36° | 51° | — | — |
| 1992 | 64° | 46° | 55° | — | — |
| 1991 | 74° | 42° | 58° | — | — |
| 1990 | 62° | 49° | 55° | 1.14" | — |
| 1989 | 74° | 55° | 64° | 0.03" | — |
| 1988 | 67° | 44° | 55° | 0.76" | — |
| 1987 | 57° | 33° | 45° | — | — |
| 1986 | 69° | 40° | 54° | — | — |
| 1985 | 54° | 33° | 43° | 0.08" | — |
| 1984 | 57° | 41° | 49° | 0.05" | — |
| 1983 | 62° | 49° | 55° | 0.25" | — |
| 1982 | 60° | 36° | 48° | — | — |
| 1981 | 63° | 45° | 54° | — | — |
| 1980 | 59° | 47° | 53° | 1.75" | — |
| 1979 | 66° | 40° | 53° | — | — |
| 1978 | 54° | 39° | 46° | 0.13" | — |
| 1977 | 65° | 34° | 49° | — | — |
| 1976 | 55° | 40° | 47° | — | — |
| 1975 | 60° | 38° | 49° | — | — |
| 1974 | 63° | 42° | 52° | 0.03" | — |
| 1973 | 62° | 36° | 49° | — | — |
| 1972 | 54° | 43° | 48° | 0.05" | — |
| 1971 | 53° | 44° | 49° | 0.08" | — |
55 years of data from HILLSBORO