Weather on August 19
Pomona, CA
55 Years of Data
Avg High
89°F
Avg Low
62°F
Warmest
2020
87°F avg
Coldest
1976
66°F avg
About This Date
August 19th in Pomona, CA typically brings warm summer weather, with average highs around 89°F and lows near 62°F — a 27°F daily swing. Over 51 years of records, the warmest August 19th was in 2020 (87°F average), while the coldest was 1976 (66°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 6% of August 19th 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 19th in Pomona, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 94° | 62° | 78° | — | — |
| 2024 | 97° | 62° | 79° | — | — |
| 2023 | 87° | 66° | 77° | — | — |
| 2022 | 93° | 65° | 79° | — | — |
| 2021 | 81° | 60° | 70° | — | — |
| 2020warmest | 101° | 74° | 87° | — | — |
| 2019 | 88° | 55° | 71° | — | — |
| 2018 | 90° | 65° | 77° | — | — |
| 2017 | 84° | 58° | 71° | — | — |
| 2016 | 91° | 61° | 76° | — | — |
| 2015 | 88° | 60° | 74° | — | — |
| 2014 | 85° | 58° | 71° | — | — |
| 2013 | 91° | 64° | 78° | — | — |
| 2012 | 96° | 69° | 83° | — | — |
| 2011 | 85° | 61° | 73° | — | — |
| 2010 | 96° | 69° | 83° | — | — |
| 2009 | 87° | 59° | 73° | — | — |
| 2008 | 88° | 61° | 74° | — | — |
| 2007 | 98° | 67° | 82° | — | — |
| 2006 | 89° | 61° | 75° | — | — |
| 2005 | 90° | 60° | 75° | — | — |
| 2004 | 89° | 62° | 76° | — | — |
| 2003 | 97° | 65° | 81° | — | — |
| 2002 | 82° | 63° | 72° | — | — |
| 2001 | 96° | 65° | 80° | — | — |
| 2000 | 93° | 62° | 78° | — | — |
| 1999 | 94° | 55° | 74° | — | — |
| 1998 | 87° | 58° | 72° | — | — |
| 1993 | 87° | 61° | 74° | — | — |
| 1992 | 89° | 58° | 73° | — | — |
| 1991 | 86° | 58° | 72° | — | — |
| 1990 | 82° | 59° | 71° | — | — |
| 1989 | 83° | 58° | 70° | — | — |
| 1988 | 85° | 57° | 71° | — | — |
| 1987 | 88° | 52° | 70° | — | — |
| 1986 | 102° | 66° | 84° | — | — |
| 1985 | 89° | 65° | 77° | — | — |
| 1984 | 87° | 67° | 77° | — | — |
| 1983 | 75° | 68° | 72° | 0.46" | — |
| 1982 | 97° | 63° | 80° | — | — |
| 1981 | 89° | 68° | 79° | — | — |
| 1980 | 82° | 61° | 71° | — | — |
| 1979 | 82° | 65° | 73° | — | — |
| 1978 | 87° | 54° | 70° | — | — |
| 1977 | 82° | 65° | 73° | 0.03" | — |
| 1976coldest | 79° | 54° | 66° | — | — |
| 1975 | 79° | 56° | 67° | — | — |
| 1974 | 88° | 58° | 73° | — | — |
| 1973 | 96° | 66° | 81° | 0.05" | — |
| 1972 | 80° | 59° | 70° | — | — |
| 1971 | 89° | 61° | 75° | — | — |
51 years of data from POMONA/FAIRPLEX