Weather on November 21
Hillsboro, OR
55 Years of Data
About This Date
November 21st in Hillsboro, OR typically brings chilly fall weather, with average highs around 49°F and lows near 35°F. Over 55 years of records, the warmest November 21st was in 2002 (55°F average), while the coldest was 1977 (30°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 64% of November 21st dates historically, with the wettest November 21st recording 4.19" 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 November 21st 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 | 52° | 33° | 42° | — | — |
| 2024 | 50° | 34° | 42° | 0.28" | — |
| 2023 | 55° | 35° | 45° | 0.36" | — |
| 2022 | 49° | 31° | 40° | — | — |
| 2021 | 46° | 26° | 36° | — | — |
| 2020 | 42° | 33° | 38° | — | — |
| 2019 | 56° | 28° | 42° | — | — |
| 2018 | 45° | 38° | 41° | 0.1" | — |
| 2017 | 59° | 45° | 52° | 1.19" | — |
| 2016 | 56° | 38° | 47° | 0.03" | — |
| 2015 | 51° | 26° | 39° | — | — |
| 2014 | 54° | 41° | 47° | 1.37" | — |
| 2013 | 48° | 23° | 36° | — | — |
| 2012 | 49° | 31° | 40° | 0.97" | — |
| 2011 | 50° | 36° | 43° | 1.07" | — |
| 2010 | 38° | 27° | 33° | 0.51" | — |
| 2009 | 47° | 36° | 41° | 1.19" | — |
| 2008 | 47° | 32° | 39° | 0.08" | — |
| 2007 | 48° | 29° | 39° | — | — |
| 2006 | 51° | 42° | 47° | 1.78" | — |
| 2005 | 54° | 26° | 40° | — | — |
| 2004 | 49° | 27° | 38° | — | — |
| 2003 | 42° | 28° | 35° | 0.08" | — |
| 2002warmest | 67° | 43° | 55° | 0.03" | — |
| 2001 | 51° | 33° | 42° | 1.45" | — |
| 2000 | 50° | 24° | 37° | — | — |
| 1999 | 51° | 39° | 45° | — | — |
| 1998 | 53° | 45° | 49° | 1.7" | — |
| 1997 | 56° | 47° | 51° | 0.13" | — |
| 1996 | 38° | 35° | 36° | 1.6" | — |
| 1995 | 53° | 43° | 48° | 0.71" | — |
| 1994 | 34° | 27° | 30° | — | — |
| 1993 | 38° | 36° | 37° | 0.05" | — |
| 1992 | 47° | 42° | 44° | 1.5" | — |
| 1991 | 53° | 40° | 46° | 0.56" | — |
| 1990 | 47° | 35° | 41° | 0.13" | — |
| 1989 | 49° | 44° | 46° | — | — |
| 1988 | 52° | 45° | 48° | 1.19" | — |
| 1987 | 59° | 40° | 49° | — | — |
| 1986 | 53° | 41° | 47° | 0.94" | — |
| 1985 | 42° | 29° | 35° | — | — |
| 1984 | 52° | 30° | 41° | 0.05" | — |
| 1983 | 49° | 42° | 45° | 0.08" | — |
| 1982 | 46° | 35° | 41° | 0.25" | — |
| 1981 | 55° | 46° | 51° | 1.07" | — |
| 1980 | 56° | 43° | 49° | 0.48" | — |
| 1979 | 51° | 27° | 39° | — | — |
| 1978 | 43° | 23° | 33° | — | — |
| 1977coldest | 35° | 24° | 30° | — | — |
| 1976 | 50° | 38° | 44° | 0.05" | — |
| 1975 | 52° | 34° | 43° | — | — |
| 1974 | 52° | 35° | 43° | 4.19" | — |
| 1973 | 47° | 38° | 42° | 0.89" | — |
| 1972 | 50° | 36° | 43° | 0.3" | — |
| 1971 | 50° | 43° | 46° | 0.03" | — |