Weather on August 31
Eugene, OR
55 Years of Data
Avg High
80°F
Avg Low
51°F
Warmest
1987
81°F avg
Coldest
2008
52°F avg
About This Date
August 31st in Eugene, OR typically brings warm summer weather, with average highs around 80°F and lows near 51°F — a 29°F daily swing. Over 55 years of records, the warmest August 31st was in 1987 (81°F average), while the coldest was 2008 (52°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 13% of August 31st dates historically, with the wettest August 31st recording 1.93" of rain. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
Planning for August 31st in Eugene, OR? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 49° | 68° | — | — |
| 2024 | 96° | 52° | 74° | — | — |
| 2023 | 66° | 56° | 61° | 0.38" | — |
| 2022 | 92° | 59° | 75° | — | — |
| 2021 | 75° | 49° | 62° | — | — |
| 2020 | 82° | 58° | 70° | — | — |
| 2019 | 88° | 53° | 70° | — | — |
| 2018 | 79° | 51° | 65° | — | — |
| 2017 | 86° | 48° | 67° | — | — |
| 2016 | 76° | 51° | 63° | — | — |
| 2015 | 80° | 49° | 64° | — | — |
| 2014 | 79° | 49° | 64° | — | — |
| 2013 | 91° | 51° | 71° | — | — |
| 2012 | 79° | 43° | 61° | — | — |
| 2011 | 73° | 48° | 61° | — | — |
| 2010 | 72° | 50° | 61° | — | — |
| 2009 | 84° | 49° | 66° | — | — |
| 2008coldest | 66° | 38° | 52° | 0.53" | — |
| 2007 | 82° | 51° | 67° | — | — |
| 2006 | 79° | 46° | 62° | — | — |
| 2005 | 83° | 53° | 68° | — | — |
| 2004 | 92° | 51° | 71° | — | — |
| 2003 | 87° | 49° | 68° | — | — |
| 2002 | 84° | 43° | 63° | — | — |
| 2001 | 83° | 57° | 70° | — | — |
| 2000 | 69° | 48° | 59° | — | — |
| 1999 | 70° | 45° | 57° | — | — |
| 1998 | 97° | 50° | 73° | — | — |
| 1997 | 80° | 52° | 66° | — | — |
| 1996 | 78° | 46° | 62° | — | — |
| 1995 | 86° | 48° | 67° | — | — |
| 1994 | 84° | 54° | 69° | — | — |
| 1993 | 92° | 49° | 70° | — | — |
| 1992 | 75° | 59° | 67° | 0.1" | — |
| 1991 | 70° | 54° | 62° | 0.23" | — |
| 1990 | 82° | 51° | 67° | — | — |
| 1989 | 78° | 57° | 68° | — | — |
| 1988 | 84° | 49° | 66° | — | — |
| 1987warmest | 102° | 60° | 81° | — | — |
| 1986 | 79° | 51° | 65° | — | — |
| 1985 | 76° | 43° | 59° | — | — |
| 1984 | 72° | 53° | 62° | 0.08" | — |
| 1983 | 74° | 57° | 65° | 1.14" | — |
| 1982 | 79° | 48° | 63° | — | — |
| 1981 | 82° | 42° | 62° | — | — |
| 1980 | 74° | 49° | 61° | — | — |
| 1979 | 79° | 52° | 65° | — | — |
| 1978 | 75° | 56° | 65° | — | — |
| 1977 | 75° | 44° | 60° | — | — |
| 1976 | 92° | 56° | 74° | — | — |
| 1975 | 72° | 50° | 61° | — | — |
| 1974 | 75° | 60° | 68° | — | — |
| 1973 | 71° | 44° | 58° | — | — |
| 1972 | 90° | 49° | 69° | — | — |
| 1971 | 64° | 54° | 59° | 1.93" | — |
55 years of data from EUGENE-MAHLON SWEET FLD