Weather on August 11
Pomona, CA
55 Years of Data
Avg High
91°F
Avg Low
62°F
Warmest
2012
88°F avg
Coldest
1973
69°F avg
About This Date
August 11th in Pomona, CA typically brings hot summer weather, with average highs around 91°F and lows near 62°F — a 29°F daily swing. Over 51 years of records, the warmest August 11th was in 2012 (88°F average), while the coldest was 1973 (69°F) — a 19°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
Planning for August 11th in Pomona, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 91° | 66° | 79° | — | — |
| 2024 | 95° | 70° | 82° | — | — |
| 2023 | 82° | 63° | 72° | — | — |
| 2022 | 97° | 70° | 83° | — | — |
| 2021 | 94° | 71° | 82° | — | — |
| 2020 | 94° | 60° | 77° | — | — |
| 2019 | 85° | 60° | 72° | — | — |
| 2018 | 90° | 66° | 78° | — | — |
| 2017 | 93° | 66° | 80° | — | — |
| 2016 | 88° | 57° | 72° | — | — |
| 2015 | 85° | 56° | 70° | — | — |
| 2014 | 92° | 64° | 78° | — | — |
| 2013 | 86° | 54° | 70° | — | — |
| 2012warmest | 103° | 73° | 88° | — | — |
| 2011 | 83° | 62° | 72° | — | — |
| 2010 | 86° | 58° | 72° | — | — |
| 2009 | 100° | 60° | 80° | — | — |
| 2008 | 90° | 60° | 75° | — | — |
| 2007 | 92° | 62° | 77° | — | — |
| 2006 | 88° | 54° | 71° | — | — |
| 2005 | 92° | 64° | 78° | — | — |
| 2004 | 98° | 66° | 82° | — | — |
| 2003 | 100° | 67° | 83° | — | — |
| 2002 | 97° | 64° | 80° | — | — |
| 2001 | 90° | 59° | 74° | — | — |
| 2000 | 100° | 68° | 84° | — | — |
| 1999 | 84° | 54° | 69° | — | — |
| 1998 | 96° | 68° | 82° | — | — |
| 1993 | 90° | 53° | 71° | — | — |
| 1992 | 85° | 59° | 72° | — | — |
| 1991 | 88° | 61° | 74° | — | — |
| 1990 | 95° | 63° | 79° | — | — |
| 1989 | 94° | 62° | 78° | — | — |
| 1988 | 85° | 57° | 71° | — | — |
| 1987 | 87° | 67° | 77° | — | — |
| 1986 | 93° | 51° | 72° | — | — |
| 1985 | 83° | 60° | 71° | — | — |
| 1984 | 87° | 57° | 72° | — | — |
| 1983 | 95° | 64° | 80° | — | — |
| 1982 | 87° | 58° | 72° | — | — |
| 1981 | 88° | 63° | 75° | — | — |
| 1980 | 99° | 60° | 79° | — | — |
| 1979 | 91° | 64° | 78° | — | — |
| 1978 | 89° | 63° | 76° | — | — |
| 1977 | 89° | 58° | 73° | — | — |
| 1976 | 89° | 53° | 71° | — | — |
| 1975 | 90° | 58° | 74° | — | — |
| 1974 | 85° | 58° | 71° | — | — |
| 1973coldest | 83° | 56° | 69° | — | — |
| 1972 | 92° | 65° | 78° | — | — |
| 1971 | 95° | 67° | 81° | — | — |
51 years of data from POMONA/FAIRPLEX