Weather on August 13
Pomona, CA
55 Years of Data
Avg High
90°F
Avg Low
62°F
Warmest
2012
87°F avg
Coldest
1987
66°F avg
About This Date
August 13th in Pomona, CA typically brings hot summer weather, with average highs around 90°F and lows near 62°F — a 28°F daily swing. Over 51 years of records, the warmest August 13th was in 2012 (87°F average), while the coldest was 1987 (66°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 2% of August 13th 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 13th in Pomona, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 59° | 73° | — | — |
| 2024 | 92° | 66° | 79° | — | — |
| 2023 | 89° | 63° | 76° | — | — |
| 2022 | 98° | 71° | 85° | — | — |
| 2021 | 90° | 66° | 78° | — | — |
| 2020 | 97° | 71° | 84° | — | — |
| 2019 | 93° | 61° | 77° | — | — |
| 2018 | 89° | 64° | 77° | — | — |
| 2017 | 90° | 60° | 75° | — | — |
| 2016 | 93° | 65° | 79° | — | — |
| 2015 | 99° | 69° | 84° | — | — |
| 2014 | 90° | 58° | 74° | — | — |
| 2013 | 92° | 55° | 73° | — | — |
| 2012warmest | 102° | 72° | 87° | — | — |
| 2011 | 87° | 60° | 74° | — | — |
| 2010 | 88° | 56° | 72° | — | — |
| 2009 | 91° | 59° | 75° | — | — |
| 2008 | 92° | 60° | 76° | — | — |
| 2007 | 99° | 61° | 80° | — | — |
| 2006 | 91° | 51° | 71° | — | — |
| 2005 | 86° | 64° | 75° | — | — |
| 2004 | 92° | 65° | 78° | — | — |
| 2003 | 101° | 66° | 83° | — | — |
| 2002 | 94° | 64° | 79° | — | — |
| 2001 | 88° | 62° | 75° | — | — |
| 2000 | 96° | 65° | 80° | — | — |
| 1999 | 93° | 56° | 74° | — | — |
| 1998 | 96° | 69° | 83° | — | — |
| 1993 | 81° | 56° | 68° | — | — |
| 1992 | 93° | 60° | 77° | — | — |
| 1991 | 84° | 69° | 77° | — | — |
| 1990 | 81° | 67° | 74° | — | — |
| 1989 | 94° | 62° | 78° | — | — |
| 1988 | 85° | 53° | 69° | — | — |
| 1987coldest | 77° | 55° | 66° | 0.18" | — |
| 1986 | 91° | 54° | 72° | — | — |
| 1985 | 82° | 59° | 71° | — | — |
| 1984 | 94° | 58° | 76° | — | — |
| 1983 | 101° | 70° | 85° | — | — |
| 1982 | 81° | 62° | 71° | — | — |
| 1981 | 89° | 65° | 77° | — | — |
| 1980 | 87° | 65° | 76° | — | — |
| 1979 | 74° | 63° | 68° | — | — |
| 1978 | 85° | 60° | 72° | — | — |
| 1977 | 91° | 58° | 74° | — | — |
| 1976 | 90° | 57° | 73° | — | — |
| 1975 | 83° | 57° | 70° | — | — |
| 1974 | 80° | 63° | 71° | — | — |
| 1973 | 91° | 60° | 76° | — | — |
| 1972 | 80° | 65° | 72° | — | — |
| 1971 | 92° | 63° | 77° | — | — |
51 years of data from POMONA/FAIRPLEX