Weather on August 31
Gresham, OR
55 Years of Data
Avg High
78°F
Avg Low
54°F
Warmest
1987
80°F avg
Coldest
1973
54°F avg
About This Date
August 31st in Gresham, OR typically brings pleasant summer weather, with average highs around 78°F and lows near 54°F. Over 52 years of records, the warmest August 31st was in 1987 (80°F average), while the coldest was 1973 (54°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 31% of August 31st dates historically, with the wettest August 31st recording 1.47" of rain. The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
Planning for August 31st in Gresham, OR? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 57° | 71° | — | — |
| 2024 | 99° | 57° | 78° | — | — |
| 2023 | 66° | 61° | 63° | 1.37" | — |
| 2022 | 94° | 64° | 79° | — | — |
| 2021 | 71° | 52° | 61° | — | — |
| 2020 | 76° | 59° | 67° | — | — |
| 2019 | 86° | 57° | 72° | — | — |
| 2018 | 76° | 59° | 67° | 0.03" | — |
| 2017 | 84° | 63° | 73° | — | — |
| 2016 | 71° | 55° | 63° | 0.1" | — |
| 2015 | 75° | 56° | 65° | — | — |
| 2014 | 77° | 56° | 66° | — | — |
| 2013 | 89° | 54° | 71° | — | — |
| 2012 | 76° | 51° | 63° | — | — |
| 2011 | 69° | 56° | 62° | 0.03" | — |
| 2010 | 63° | 56° | 59° | 1.47" | — |
| 2009 | 80° | 59° | 70° | — | — |
| 2008 | 66° | 48° | 57° | 0.36" | — |
| 2007 | 78° | 59° | 69° | — | — |
| 2006 | 82° | 44° | 63° | 0.1" | — |
| 2005 | 81° | 51° | 66° | — | — |
| 2004 | 87° | 55° | 71° | — | — |
| 2003 | 84° | 52° | 68° | — | — |
| 2002 | 82° | 51° | 67° | — | — |
| 2001 | 79° | 61° | 70° | — | — |
| 2000 | 68° | 53° | 61° | 0.03" | — |
| 1999 | 68° | 49° | 58° | 0.15" | — |
| 1998 | 98° | 54° | 76° | — | — |
| 1997 | 82° | 54° | 68° | — | — |
| 1996 | 77° | 58° | 67° | — | — |
| 1995 | 83° | 51° | 67° | — | — |
| 1994 | 90° | 53° | 71° | — | — |
| 1993 | 87° | 53° | 70° | — | — |
| 1992 | 83° | 53° | 68° | — | — |
| 1991 | 78° | 52° | 65° | 0.2" | — |
| 1990 | 80° | 54° | 67° | — | — |
| 1989 | 73° | 43° | 58° | — | — |
| 1988 | 79° | 45° | 62° | — | — |
| 1987warmest | 102° | 58° | 80° | — | — |
| 1984 | 77° | 56° | 66° | 0.1" | — |
| 1983 | 76° | 58° | 67° | — | — |
| 1982 | 71° | 53° | 62° | — | — |
| 1980 | 62° | 54° | 58° | 1.02" | — |
| 1979 | 69° | 57° | 63° | 0.05" | — |
| 1978 | 75° | 56° | 65° | — | — |
| 1977 | 73° | 51° | 62° | — | — |
| 1976 | 85° | 59° | 72° | — | — |
| 1975 | 64° | 51° | 58° | 1.27" | — |
| 1974 | 71° | 62° | 67° | — | — |
| 1973coldest | 60° | 49° | 54° | 0.13" | — |
| 1972 | 82° | 46° | 64° | — | — |
| 1971 | 74° | 58° | 66° | 0.23" | — |
52 years of data from PORTLAND TROUTDALE AP