Weather on August 17
Vista, CA
55 Years of Data
Avg High
78°F
Avg Low
64°F
Warmest
1992
84°F avg
Coldest
1972
65°F avg
About This Date
August 17th in Vista, CA typically brings pleasant summer weather, with average highs around 78°F and lows near 64°F. Over 55 years of records, the warmest August 17th was in 1992 (84°F average), while the coldest was 1972 (65°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 4% of August 17th dates historically, with the wettest August 17th recording 3.68" of rain. 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 17th in Vista, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 63° | 67° | — | — |
| 2024 | 73° | 65° | 69° | — | — |
| 2023 | 74° | 67° | 70° | — | — |
| 2022 | 78° | 67° | 72° | — | — |
| 2021 | 75° | 69° | 72° | — | — |
| 2020 | 81° | 69° | 75° | — | — |
| 2019 | 72° | 65° | 68° | — | — |
| 2018 | 77° | 71° | 74° | — | — |
| 2017 | 74° | 61° | 67° | — | — |
| 2016 | 78° | 65° | 71° | — | — |
| 2015 | 78° | 70° | 74° | — | — |
| 2014 | 79° | 67° | 73° | — | — |
| 2013 | 75° | 65° | 70° | — | — |
| 2012 | 85° | 72° | 78° | — | — |
| 2011 | 74° | 65° | 69° | — | — |
| 2010 | 80° | 65° | 72° | — | — |
| 2009 | 72° | 64° | 68° | — | — |
| 2008 | 75° | 67° | 71° | — | — |
| 2007 | 78° | 70° | 74° | — | — |
| 2006 | 73° | 64° | 69° | — | — |
| 2005 | 74° | 65° | 69° | — | — |
| 2004 | 73° | 63° | 68° | — | — |
| 2003 | 79° | 66° | 72° | — | — |
| 2002 | 70° | 65° | 67° | — | — |
| 2001 | 76° | 66° | 71° | — | — |
| 2000 | 79° | 68° | 73° | — | — |
| 1999 | 74° | 62° | 68° | — | — |
| 1998 | 74° | 67° | 70° | — | — |
| 1997 | 79° | 66° | 72° | — | — |
| 1996 | 84° | 64° | 74° | — | — |
| 1995 | 80° | 60° | 70° | — | — |
| 1994 | 90° | 68° | 79° | — | — |
| 1993 | 80° | 62° | 71° | — | — |
| 1992warmest | 98° | 69° | 84° | — | — |
| 1991 | 82° | 63° | 72° | — | — |
| 1990 | 79° | 62° | 70° | — | — |
| 1989 | 77° | 62° | 70° | — | — |
| 1988 | 77° | 63° | 70° | — | — |
| 1987 | 76° | 64° | 70° | — | — |
| 1986 | 87° | 54° | 70° | — | — |
| 1985 | 77° | 62° | 70° | — | — |
| 1984 | 87° | 68° | 78° | 0.08" | — |
| 1983 | 85° | 72° | 78° | — | — |
| 1982 | 80° | 57° | 69° | — | — |
| 1981 | 82° | 65° | 73° | — | — |
| 1980 | 78° | 63° | 70° | — | — |
| 1979 | 79° | 61° | 70° | — | — |
| 1978 | 78° | 58° | 68° | — | — |
| 1977 | 80° | 65° | 72° | 3.68" | — |
| 1976 | 75° | 60° | 68° | — | — |
| 1975 | 74° | 56° | 65° | — | — |
| 1974 | 80° | 54° | 67° | — | — |
| 1973 | 79° | 61° | 70° | — | — |
| 1972coldest | 77° | 53° | 65° | — | — |
| 1971 | — | 64° | — | — | — |
55 years of data from CARLSBAD MCCLELLAN PALOMAR AP