Weather on August 31
Vista, CA
55 Years of Data
Avg High
80°F
Avg Low
63°F
Warmest
1985
82°F avg
Coldest
1975
64°F avg
About This Date
August 31st in Vista, CA typically brings warm summer weather, with average highs around 80°F and lows near 63°F. Over 55 years of records, the warmest August 31st was in 1985 (82°F average), while the coldest was 1975 (64°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 2% of August 31st dates historically. The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
Planning for August 31st in Vista, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 80° | 66° | 73° | — | — |
| 2024 | 74° | 63° | 68° | — | — |
| 2023 | 79° | 69° | 74° | — | — |
| 2022 | 83° | 68° | 75° | — | — |
| 2021 | 70° | 66° | 68° | 0.1" | — |
| 2020 | 74° | 66° | 70° | — | — |
| 2019 | 80° | 69° | 75° | — | — |
| 2018 | 75° | 65° | 70° | — | — |
| 2017 | 85° | 70° | 77° | — | — |
| 2016 | 76° | 66° | 71° | — | — |
| 2015 | 76° | 68° | 72° | — | — |
| 2014 | 77° | 66° | 72° | — | — |
| 2013 | 83° | 74° | 78° | — | — |
| 2012 | 79° | 69° | 74° | — | — |
| 2011 | 73° | 66° | 70° | — | — |
| 2010 | 74° | 60° | 67° | — | — |
| 2009 | 79° | 66° | 72° | — | — |
| 2008 | 76° | 69° | 72° | — | — |
| 2007 | 83° | 70° | 76° | — | — |
| 2006 | 77° | 63° | 70° | — | — |
| 2005 | 72° | 63° | 67° | — | — |
| 2004 | 76° | 61° | 68° | — | — |
| 2003 | 73° | 65° | 69° | — | — |
| 2002 | 82° | 62° | 72° | — | — |
| 2001 | 73° | 63° | 68° | — | — |
| 2000 | 73° | 64° | 69° | — | — |
| 1999 | 70° | 61° | 65° | — | — |
| 1998 | 95° | 70° | 82° | — | — |
| 1997 | 84° | 60° | 72° | — | — |
| 1996 | 91° | 65° | 78° | — | — |
| 1995 | 90° | 65° | 77° | — | — |
| 1994 | 80° | 61° | 70° | — | — |
| 1993 | 80° | 65° | 72° | — | — |
| 1992 | 78° | 56° | 67° | — | — |
| 1991 | 81° | 59° | 70° | — | — |
| 1990 | 82° | 62° | 72° | — | — |
| 1989 | 78° | 58° | 68° | — | — |
| 1988 | 82° | 63° | 72° | — | — |
| 1987 | 82° | 60° | 71° | — | — |
| 1986 | 84° | 62° | 73° | — | — |
| 1985warmest | 96° | 68° | 82° | — | — |
| 1984 | 90° | 67° | 78° | — | — |
| 1983 | 90° | 62° | 76° | — | — |
| 1982 | 90° | 59° | 74° | — | — |
| 1981 | 81° | 63° | 72° | — | — |
| 1980 | 78° | 61° | 69° | — | — |
| 1979 | 80° | 55° | 68° | — | — |
| 1978 | 82° | 60° | 71° | — | — |
| 1977 | 76° | 63° | 69° | — | — |
| 1976 | 96° | 64° | 80° | — | — |
| 1975coldest | 80° | 49° | 64° | — | — |
| 1974 | 82° | 55° | 69° | — | — |
| 1973 | 75° | 60° | 68° | — | — |
| 1972 | 83° | 63° | 73° | — | — |
| 1971 | 82° | 56° | 69° | — | — |
55 years of data from CARLSBAD MCCLELLAN PALOMAR AP