Weather on August 27
Pomona, CA
55 Years of Data
Avg High
92°F
Avg Low
62°F
Warmest
1981
89°F avg
Coldest
1973
66°F avg
About This Date
August 27th in Pomona, CA typically brings hot summer weather, with average highs around 92°F and lows near 62°F — a 30°F daily swing. Over 51 years of records, the warmest August 27th was in 1981 (89°F average), while the coldest was 1973 (66°F) — a 23°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
Planning for August 27th 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° | 66° | 81° | — | — |
| 2024 | 91° | 62° | 77° | — | — |
| 2023 | 98° | 66° | 82° | — | — |
| 2022 | 86° | 63° | 74° | — | — |
| 2021 | 99° | 66° | 82° | — | — |
| 2020 | 97° | 68° | 82° | — | — |
| 2019 | 92° | 64° | 78° | — | — |
| 2018 | 83° | 56° | 69° | — | — |
| 2017 | 94° | 68° | 81° | — | — |
| 2016 | 80° | 54° | 67° | — | — |
| 2015 | 99° | 69° | 84° | — | — |
| 2014 | 94° | 64° | 79° | — | — |
| 2013 | 95° | 70° | 82° | — | — |
| 2012 | 96° | 59° | 78° | — | — |
| 2011 | 105° | 72° | 88° | — | — |
| 2010 | 93° | 61° | 77° | — | — |
| 2009 | 101° | 60° | 80° | — | — |
| 2008 | 92° | 64° | 78° | — | — |
| 2007 | 93° | 63° | 78° | — | — |
| 2006 | 100° | 59° | 80° | — | — |
| 2005 | 102° | 66° | 84° | — | — |
| 2004 | 91° | 64° | 78° | — | — |
| 2003 | 97° | 67° | 82° | — | — |
| 2002 | 88° | 60° | 74° | — | — |
| 2001 | 94° | 64° | 79° | — | — |
| 2000 | 82° | 62° | 72° | — | — |
| 1999 | 97° | 62° | 79° | — | — |
| 1998 | 95° | 62° | 79° | — | — |
| 1993 | 91° | 61° | 76° | — | — |
| 1992 | 85° | 53° | 69° | — | — |
| 1991 | 83° | 63° | 73° | — | — |
| 1990 | 91° | 51° | 71° | — | — |
| 1989 | 83° | 57° | 70° | — | — |
| 1988 | 89° | 65° | 77° | — | — |
| 1987 | 89° | 53° | 71° | — | — |
| 1986 | 96° | 56° | 76° | — | — |
| 1985 | 95° | 63° | 79° | — | — |
| 1984 | 97° | 64° | 80° | — | — |
| 1983 | 98° | 60° | 79° | — | — |
| 1982 | 91° | 65° | 78° | — | — |
| 1981warmest | 106° | 73° | 89° | — | — |
| 1980 | 89° | 58° | 73° | — | — |
| 1979 | 89° | 60° | 75° | — | — |
| 1978 | 86° | 55° | 71° | — | — |
| 1977 | 81° | 63° | 72° | — | — |
| 1976 | 92° | 57° | 74° | — | — |
| 1975 | 84° | 53° | 69° | — | — |
| 1974 | 92° | 52° | 72° | — | — |
| 1973coldest | 76° | 57° | 66° | — | — |
| 1972 | 83° | 62° | 72° | — | — |
| 1971 | 95° | 64° | 80° | — | — |
51 years of data from POMONA/FAIRPLEX