Weather on August 15
West Covina, CA
55 Years of Data
Avg High
92°F
Avg Low
63°F
Warmest
2015
90°F avg
Coldest
1976
67°F avg
About This Date
August 15th in West Covina, CA typically brings hot summer weather, with average highs around 92°F and lows near 63°F — a 29°F daily swing. Over 55 years of records, the warmest August 15th was in 2015 (90°F average), while the coldest was 1976 (67°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 5% of August 15th dates historically, with the wettest August 15th recording 2.44" of rain. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for August 15th in West Covina, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 85° | 66° | 75° | — | — |
| 2024 | 95° | 64° | 80° | — | — |
| 2023 | 93° | 62° | 78° | — | — |
| 2022 | 98° | 65° | 81° | — | — |
| 2021 | 97° | 65° | 81° | — | — |
| 2020 | 105° | 72° | 88° | — | — |
| 2019 | 98° | 59° | 79° | — | — |
| 2018 | 93° | 66° | 80° | — | — |
| 2017 | 81° | 66° | 73° | — | — |
| 2016 | 104° | 62° | 83° | — | — |
| 2015warmest | 109° | 71° | 90° | — | — |
| 2014 | 100° | 62° | 81° | — | — |
| 2013 | 100° | 60° | 80° | — | — |
| 2012 | 97° | 63° | 80° | — | — |
| 2011 | 94° | 59° | 76° | — | — |
| 2010 | 95° | 50° | 73° | — | — |
| 2009 | 90° | 60° | 75° | — | — |
| 2008 | 93° | 64° | 79° | — | — |
| 2007 | 100° | 63° | 81° | — | — |
| 2006 | 88° | 57° | 72° | — | — |
| 2005 | 85° | 63° | 74° | — | — |
| 2004 | 90° | 63° | 76° | — | — |
| 2003 | 105° | 67° | 86° | — | — |
| 2002 | 91° | 59° | 75° | — | — |
| 2001 | 97° | 61° | 79° | — | — |
| 2000 | 94° | 68° | 81° | — | — |
| 1999 | 91° | 54° | 72° | — | — |
| 1998 | 91° | 67° | 79° | — | — |
| 1997 | 87° | 63° | 75° | — | — |
| 1996 | 101° | 70° | 85° | — | — |
| 1995 | 91° | 60° | 76° | — | — |
| 1994 | 101° | 68° | 84° | — | — |
| 1993 | 82° | 59° | 71° | — | — |
| 1992 | 100° | 72° | 86° | — | — |
| 1991 | 86° | 65° | 75° | — | — |
| 1990 | 76° | 66° | 71° | 0.1" | — |
| 1989 | 92° | 63° | 77° | — | — |
| 1988 | 88° | 56° | 72° | — | — |
| 1987 | 81° | 63° | 72° | — | — |
| 1986 | 88° | 57° | 72° | — | — |
| 1985 | 89° | 57° | 73° | — | — |
| 1984 | 91° | 67° | 79° | 2.44" | — |
| 1983 | 98° | 78° | 88° | — | — |
| 1982 | 83° | 55° | 69° | — | — |
| 1981 | 93° | 65° | 79° | — | — |
| 1980 | 79° | 67° | 73° | — | — |
| 1979 | 85° | 57° | 71° | — | — |
| 1978 | 88° | 59° | 73° | — | — |
| 1977 | 95° | 58° | 76° | — | — |
| 1976coldest | 76° | 59° | 67° | 0.53" | — |
| 1975 | 84° | 57° | 71° | — | — |
| 1974 | 85° | 59° | 72° | — | — |
| 1973 | 90° | 64° | 77° | — | — |
| 1972 | 82° | 56° | 69° | — | — |
| 1971 | 88° | 65° | 76° | — | — |
55 years of data from SANTA FE DAM CALIFORNIA