Weather on October 23
Hillsboro, OR
55 Years of Data
Avg High
61°F
Avg Low
41°F
Warmest
1989
58°F avg
Coldest
2020
43°F avg
About This Date
October 23rd in Hillsboro, OR typically brings mild fall weather, with average highs around 61°F and lows near 41°F. Over 55 years of records, the warmest October 23rd was in 1989 (58°F average), while the coldest was 2020 (43°F) — a 15°F range across recorded history. Rain or other precipitation has occurred on about 42% of October 23rd dates historically, with the wettest October 23rd recording 1.73" 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 October 23rd in Hillsboro, OR? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 62° | 46° | 54° | — | — |
| 2024 | 58° | 34° | 46° | — | — |
| 2023 | 59° | 47° | 53° | — | — |
| 2022 | 59° | 38° | 48° | — | — |
| 2021 | 54° | 50° | 52° | 1.12" | — |
| 2020coldest | 56° | 30° | 43° | — | — |
| 2019 | 61° | 35° | 48° | — | — |
| 2018 | 56° | 37° | 46° | 0.1" | — |
| 2017 | 68° | 41° | 55° | — | — |
| 2016 | 63° | 50° | 56° | — | — |
| 2015 | 62° | 37° | 50° | — | — |
| 2014 | 60° | 50° | 55° | 1.09" | — |
| 2013 | 73° | 38° | 55° | — | — |
| 2012 | 51° | 39° | 45° | 0.33" | — |
| 2011 | 60° | 41° | 51° | — | — |
| 2010 | 61° | 50° | 55° | 1.73" | — |
| 2009 | 61° | 41° | 51° | 1.07" | — |
| 2008 | 61° | 32° | 46° | — | — |
| 2007 | 67° | 38° | 52° | 0.71" | — |
| 2006 | 59° | 36° | 47° | — | — |
| 2005 | 60° | 50° | 55° | 0.05" | — |
| 2004 | 56° | 37° | 46° | 0.15" | — |
| 2003 | 60° | 43° | 51° | 0.05" | — |
| 2002 | 67° | 42° | 54° | — | — |
| 2001 | 57° | 45° | 51° | 0.99" | — |
| 2000 | 66° | 34° | 50° | — | — |
| 1999 | 59° | 44° | 52° | 0.08" | — |
| 1998 | 56° | 46° | 51° | — | — |
| 1997 | 59° | 37° | 48° | — | — |
| 1996 | 57° | 43° | 50° | 1.32" | — |
| 1995 | 57° | 42° | 50° | — | — |
| 1994 | 63° | 36° | 49° | — | — |
| 1993 | 65° | 44° | 54° | — | — |
| 1992 | 67° | 49° | 58° | — | — |
| 1991 | 50° | 38° | 44° | 0.66" | — |
| 1990 | 51° | 37° | 44° | — | — |
| 1989warmest | 64° | 51° | 58° | 0.97" | — |
| 1988 | 64° | 38° | 51° | — | — |
| 1987 | 69° | 41° | 55° | — | — |
| 1986 | 67° | 38° | 52° | — | — |
| 1985 | 56° | 47° | 51° | 0.2" | — |
| 1984 | 61° | 31° | 46° | — | — |
| 1983 | 63° | 36° | 49° | 0.03" | — |
| 1982 | 64° | 47° | 55° | 0.86" | — |
| 1981 | 68° | 31° | 49° | — | — |
| 1980 | 65° | 31° | 48° | — | — |
| 1979 | 57° | 51° | 54° | 0.74" | — |
| 1978 | 66° | 35° | 51° | — | — |
| 1977 | 67° | 48° | 57° | 0.36" | — |
| 1976 | 57° | 40° | 48° | — | — |
| 1975 | 55° | 39° | 47° | 0.13" | — |
| 1974 | 68° | 34° | 51° | — | — |
| 1973 | 56° | 46° | 51° | 1.07" | — |
| 1972 | 60° | 45° | 52° | — | — |
| 1971 | 55° | 41° | 48° | 0.43" | — |
55 years of data from HILLSBORO