Weather on October 20
Gresham, OR
55 Years of Data
Avg High
64°F
Avg Low
46°F
Warmest
2003
70°F avg
Coldest
1984
44°F avg
About This Date
October 20th in Gresham, OR typically brings mild fall weather, with average highs around 64°F and lows near 46°F. Over 54 years of records, the warmest October 20th was in 2003 (70°F average), while the coldest was 1984 (44°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 41% of October 20th dates historically, with the wettest October 20th recording 1.98" of rain. The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
Planning for October 20th in Gresham, OR? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 63° | 43° | 53° | — | — |
| 2024 | 71° | 46° | 59° | 1.27" | — |
| 2023 | 69° | 53° | 61° | — | — |
| 2022 | 70° | 45° | 57° | — | — |
| 2021 | 64° | 54° | 59° | 0.41" | — |
| 2020 | 65° | 48° | 56° | — | — |
| 2019 | 58° | 43° | 50° | 0.08" | — |
| 2018 | 68° | 42° | 55° | — | — |
| 2017 | 57° | 47° | 52° | 1.04" | — |
| 2016 | 64° | 54° | 59° | 0.69" | — |
| 2015 | 67° | 47° | 57° | 0.1" | — |
| 2014 | 66° | 49° | 57° | 0.53" | — |
| 2013 | 63° | 39° | 51° | — | — |
| 2012 | 54° | 44° | 49° | 0.89" | — |
| 2011 | 62° | 51° | 57° | 0.03" | — |
| 2010 | 70° | 48° | 59° | — | — |
| 2009 | 63° | 46° | 54° | — | — |
| 2008 | 60° | 40° | 50° | 0.43" | — |
| 2007 | 54° | 45° | 49° | 1.5" | — |
| 2006 | 61° | 41° | 51° | — | — |
| 2005 | 62° | 51° | 57° | 0.25" | — |
| 2004 | 59° | 44° | 52° | 0.2" | — |
| 2003warmest | 79° | 61° | 70° | — | — |
| 2002 | 66° | 57° | 62° | — | — |
| 2001 | 60° | 40° | 50° | — | — |
| 2000 | 63° | 50° | 56° | 1.98" | — |
| 1999 | 74° | 44° | 59° | — | — |
| 1998 | 68° | 54° | 61° | — | — |
| 1997 | 81° | 39° | 60° | — | — |
| 1996 | 55° | 34° | 44° | — | — |
| 1995 | 66° | 48° | 57° | 0.43" | — |
| 1994 | 63° | 42° | 52° | 0.18" | — |
| 1993 | 67° | 46° | 56° | — | — |
| 1992 | 68° | 50° | 59° | — | — |
| 1991 | 71° | 45° | 58° | — | — |
| 1990 | 60° | 40° | 50° | — | — |
| 1989 | 59° | 38° | 48° | — | — |
| 1988 | 66° | 53° | 60° | 0.08" | — |
| 1987 | 67° | 43° | 55° | — | — |
| 1986 | 65° | 39° | 52° | — | — |
| 1984coldest | 48° | 40° | 44° | 1.65" | — |
| 1983 | 58° | 48° | 53° | — | — |
| 1982 | 60° | 45° | 52° | — | — |
| 1981 | 60° | 47° | 53° | — | — |
| 1980 | 68° | — | — | — | — |
| 1979 | 57° | 43° | 50° | 0.56" | — |
| 1978 | 74° | 55° | 64° | — | — |
| 1977 | 64° | 45° | 54° | — | — |
| 1976 | 66° | 50° | 58° | — | — |
| 1975 | 60° | 46° | 53° | 0.3" | — |
| 1974 | 68° | 45° | 56° | 0.43" | — |
| 1973 | 60° | 51° | 56° | — | — |
| 1972 | 61° | 44° | 52° | — | — |
| 1971 | 59° | 45° | 52° | 0.86" | — |
54 years of data from PORTLAND TROUTDALE AP