Weather on November 20
Hillsboro, OR
55 Years of Data
Avg High
51°F
Avg Low
36°F
Warmest
1998
55°F avg
Coldest
1977
31°F avg
About This Date
November 20th in Hillsboro, OR typically brings cool fall weather, with average highs around 51°F and lows near 36°F. Over 55 years of records, the warmest November 20th was in 1998 (55°F average), while the coldest was 1977 (31°F) — a 24°F range across recorded history. Precipitation has occurred on 60% of recorded November 20th dates, with snow falling 2% of the time. 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 November 20th in Hillsboro, OR? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 54° | 36° | 45° | 0.1" | — |
| 2024 | 51° | 44° | 48° | 0.41" | — |
| 2023 | 50° | 31° | 41° | — | — |
| 2022 | 50° | 22° | 36° | — | — |
| 2021 | 50° | 31° | 41° | — | — |
| 2020 | 47° | 34° | 40° | — | — |
| 2019 | 56° | 33° | 44° | — | — |
| 2018 | 56° | 26° | 41° | — | — |
| 2017 | 56° | 41° | 48° | 1.96" | — |
| 2016 | 54° | 46° | 50° | 0.71" | — |
| 2015 | 51° | 30° | 41° | — | — |
| 2014 | 50° | 36° | 43° | 0.08" | — |
| 2013 | 47° | 26° | 37° | — | — |
| 2012 | 56° | 45° | 50° | 1.07" | — |
| 2011 | 44° | 24° | 34° | — | — |
| 2010 | 45° | 32° | 38° | 0.43" | — |
| 2009 | 57° | 39° | 48° | 0.66" | — |
| 2008 | 51° | 35° | 43° | 1.22" | — |
| 2007 | 47° | 35° | 41° | 0.05" | — |
| 2006 | 57° | 41° | 49° | 0.03" | — |
| 2005 | 54° | 27° | 40° | — | — |
| 2004 | 49° | 28° | 38° | 0.03" | — |
| 2003 | 46° | 34° | 40° | 0.23" | — |
| 2002 | 58° | 43° | 50° | 0.05" | — |
| 2001 | 51° | 42° | 47° | 1.85" | — |
| 2000 | 50° | 30° | 40° | — | — |
| 1999 | 54° | 40° | 47° | 0.25" | — |
| 1998warmest | 59° | 52° | 55° | 3.23" | — |
| 1997 | 58° | 51° | 54° | 0.25" | — |
| 1996 | 41° | 30° | 36° | 0.03" | — |
| 1995 | 58° | 37° | 47° | — | — |
| 1994 | 47° | 28° | 37° | — | — |
| 1993 | 46° | 36° | 41° | — | — |
| 1992 | 49° | 39° | 44° | 0.3" | — |
| 1991 | 53° | 44° | 49° | 1.6" | — |
| 1990 | 44° | 33° | 39° | 0.28" | — |
| 1989 | 49° | 42° | 45° | — | — |
| 1988 | 47° | 41° | 44° | 0.58" | — |
| 1987 | 61° | 40° | 50° | — | — |
| 1986 | 56° | 42° | 49° | 0.76" | — |
| 1985 | 43° | 33° | 38° | 0.51" | — |
| 1984 | 52° | 43° | 47° | 1.24" | — |
| 1983 | 55° | 42° | 49° | 0.64" | — |
| 1982 | 53° | 38° | 45° | 0.58" | — |
| 1981 | 51° | 41° | 46° | 0.33" | — |
| 1980 | 56° | 43° | 49° | — | — |
| 1979 | 43° | 35° | 39° | — | — |
| 1978 | 38° | 28° | 33° | 0.08" | 0.8" |
| 1977coldest | 37° | 25° | 31° | — | — |
| 1976 | 58° | 31° | 44° | — | — |
| 1975 | 43° | 36° | 39° | 0.05" | — |
| 1974 | 56° | 47° | 51° | 1.5" | — |
| 1973 | 46° | 39° | 43° | 2.97" | — |
| 1972 | 55° | 38° | 46° | — | — |
| 1971 | 52° | 42° | 47° | — | — |
55 years of data from HILLSBORO