Weather on August 25
Pomona, CA
55 Years of Data
Avg High
91°F
Avg Low
61°F
Warmest
2010
87°F avg
Coldest
1987
65°F avg
About This Date
August 25th in Pomona, CA typically brings hot summer weather, with average highs around 91°F and lows near 61°F — a 30°F daily swing. Over 51 years of records, the warmest August 25th was in 2010 (87°F average), while the coldest was 1987 (65°F) — a 22°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.
Planning for August 25th 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 | 95° | 69° | 82° | — | — |
| 2024 | 85° | 56° | 70° | — | — |
| 2023 | 90° | 61° | 75° | — | — |
| 2022 | 93° | 69° | 81° | — | — |
| 2021 | 94° | 64° | 79° | — | — |
| 2020 | 94° | 67° | 80° | — | — |
| 2019 | 94° | 66° | 80° | — | — |
| 2018 | 86° | 57° | 72° | — | — |
| 2017 | 86° | 60° | 73° | — | — |
| 2016 | 85° | 58° | 71° | — | — |
| 2015 | 88° | 70° | 79° | — | — |
| 2014 | 87° | 59° | 73° | — | — |
| 2013 | 96° | 68° | 82° | — | — |
| 2012 | 86° | 62° | 74° | — | — |
| 2011 | 99° | 64° | 81° | — | — |
| 2010warmest | 104° | 69° | 87° | — | — |
| 2009 | 92° | 63° | 77° | — | — |
| 2008 | 96° | 68° | 82° | — | — |
| 2007 | 88° | 62° | 75° | — | — |
| 2006 | 91° | 61° | 76° | — | — |
| 2005 | 102° | 63° | 82° | — | — |
| 2004 | 88° | 62° | 75° | — | — |
| 2003 | 97° | 67° | 82° | — | — |
| 2002 | 95° | 58° | 76° | — | — |
| 2001 | 89° | 59° | 74° | — | — |
| 2000 | 89° | 66° | 78° | — | — |
| 1999 | 103° | 62° | 82° | — | — |
| 1998 | 90° | 63° | 76° | — | — |
| 1993 | 93° | 58° | 75° | — | — |
| 1992 | 80° | 53° | 67° | — | — |
| 1991 | 86° | 61° | 73° | — | — |
| 1990 | 83° | 57° | 70° | — | — |
| 1989 | 80° | 60° | 70° | — | — |
| 1988 | 94° | 67° | 80° | — | — |
| 1987coldest | 80° | 50° | 65° | — | — |
| 1986 | 96° | 58° | 77° | — | — |
| 1985 | 106° | 62° | 84° | — | — |
| 1984 | 87° | 60° | 74° | — | — |
| 1983 | 88° | 56° | 72° | — | — |
| 1982 | 87° | 65° | 76° | — | — |
| 1981 | 102° | 63° | 82° | — | — |
| 1980 | 90° | 58° | 74° | — | — |
| 1979 | 94° | 61° | 77° | — | — |
| 1978 | 84° | 49° | 66° | — | — |
| 1977 | 88° | 58° | 73° | — | — |
| 1976 | 91° | 57° | 74° | — | — |
| 1975 | 93° | 51° | 72° | — | — |
| 1974 | 89° | 55° | 72° | — | — |
| 1973 | 85° | 52° | 68° | — | — |
| 1972 | 75° | 63° | 69° | — | — |
| 1971 | 86° | 59° | 73° | — | — |
51 years of data from POMONA/FAIRPLEX