Weather on August 9
Vista, CA
55 Years of Data
Avg High
79°F
Avg Low
64°F
Warmest
1994
81°F avg
Coldest
1999
64°F avg
About This Date
August 9th in Vista, CA typically brings pleasant summer weather, with average highs around 79°F and lows near 64°F. Over 55 years of records, the warmest August 9th was in 1994 (81°F average), while the coldest was 1999 (64°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 7% of August 9th dates historically. 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 August 9th in Vista, CA? Great weather for outdoor activities.
Cooling Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 65° | 68° | — | — |
| 2024 | 74° | 67° | 70° | — | — |
| 2023 | 77° | 69° | 73° | 0.03" | — |
| 2022 | 82° | 70° | 76° | — | — |
| 2021 | 75° | 64° | 70° | — | — |
| 2020 | 73° | 64° | 69° | — | — |
| 2019 | 75° | 64° | 70° | — | — |
| 2018 | 86° | 71° | 79° | — | — |
| 2017 | 74° | 67° | 70° | — | — |
| 2016 | 72° | 65° | 68° | — | — |
| 2015 | 73° | 67° | 70° | — | — |
| 2014 | 75° | 67° | 71° | — | — |
| 2013 | 71° | 62° | 67° | — | — |
| 2012 | 79° | 68° | 73° | — | — |
| 2011 | 71° | 63° | 67° | — | — |
| 2010 | 71° | 60° | 66° | — | — |
| 2009 | 73° | 65° | 69° | — | — |
| 2008 | 76° | 68° | 72° | — | — |
| 2007 | 74° | 67° | 70° | — | — |
| 2006 | 79° | 66° | 72° | — | — |
| 2005 | 77° | 65° | 71° | — | — |
| 2004 | 75° | 65° | 70° | — | — |
| 2003 | 82° | 66° | 74° | — | — |
| 2002 | 73° | 62° | 68° | — | — |
| 2001 | 74° | 64° | 69° | — | — |
| 2000 | 73° | 65° | 69° | — | — |
| 1999coldest | 70° | 59° | 64° | — | — |
| 1998 | 86° | 65° | 75° | — | — |
| 1997 | 78° | 64° | 71° | 0.03" | — |
| 1996 | 82° | 64° | 73° | — | — |
| 1995 | 86° | 63° | 74° | — | — |
| 1994warmest | 92° | 71° | 81° | — | — |
| 1993 | 85° | 65° | 75° | — | — |
| 1992 | 87° | 66° | 77° | — | — |
| 1991 | 82° | 58° | 70° | — | — |
| 1990 | 84° | 67° | 75° | — | — |
| 1989 | 79° | 65° | 72° | — | — |
| 1988 | 78° | 60° | 69° | — | — |
| 1987 | 80° | 64° | 72° | — | — |
| 1986 | 83° | 61° | 72° | — | — |
| 1985 | 81° | 58° | 69° | — | — |
| 1984 | 81° | 66° | 73° | — | — |
| 1983 | 88° | 71° | 79° | 0.15" | — |
| 1982 | 87° | 62° | 75° | — | — |
| 1981 | 87° | 64° | 76° | — | — |
| 1980 | 84° | 63° | 73° | — | — |
| 1979 | 86° | 59° | 73° | — | — |
| 1978 | 82° | 63° | 72° | 0.13" | — |
| 1977 | 78° | 60° | 69° | — | — |
| 1976 | 78° | 59° | 69° | — | — |
| 1975 | 78° | 58° | 68° | — | — |
| 1974 | 76° | 58° | 67° | — | — |
| 1973 | 80° | 57° | 69° | — | — |
| 1972 | 80° | 63° | 71° | — | — |
| 1971 | 91° | 70° | 80° | — | — |
55 years of data from CARLSBAD MCCLELLAN PALOMAR AP