Weather on August 17
Pomona, CA
55 Years of Data
Avg High
90°F
Avg Low
62°F
Warmest
2012
88°F avg
Coldest
1976
67°F avg
About This Date
August 17th 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 17th was in 2012 (88°F average), while the coldest was 1976 (67°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 2% of August 17th dates historically, with the wettest August 17th recording 2.97" of rain. 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 17th in Pomona, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 56° | 71° | — | — |
| 2024 | 87° | 60° | 74° | — | — |
| 2023 | 97° | 68° | 82° | — | — |
| 2022 | 95° | 70° | 82° | — | — |
| 2021 | 87° | 66° | 77° | — | — |
| 2020 | 98° | 74° | 86° | — | — |
| 2019 | 85° | 54° | 69° | — | — |
| 2018 | 90° | 66° | 78° | — | — |
| 2017 | 84° | 59° | 72° | — | — |
| 2016 | 96° | 65° | 80° | — | — |
| 2015 | 90° | 65° | 77° | — | — |
| 2014 | 95° | 66° | 81° | — | — |
| 2013 | 95° | 66° | 81° | — | — |
| 2012warmest | 100° | 75° | 88° | — | — |
| 2011 | 95° | 60° | 78° | — | — |
| 2010 | 98° | 67° | 82° | — | — |
| 2009 | 85° | 60° | 72° | — | — |
| 2008 | 91° | 63° | 77° | — | — |
| 2007 | 90° | 68° | 79° | — | — |
| 2006 | 93° | 60° | 77° | — | — |
| 2005 | 88° | 61° | 74° | — | — |
| 2004 | 92° | 64° | 78° | — | — |
| 2003 | 97° | 68° | 82° | — | — |
| 2002 | 85° | 63° | 74° | — | — |
| 2001 | 94° | 64° | 79° | — | — |
| 2000 | 93° | 67° | 80° | — | — |
| 1999 | 98° | 58° | 78° | — | — |
| 1998 | 84° | 59° | 72° | — | — |
| 1993 | 88° | 53° | 70° | — | — |
| 1992 | 88° | 66° | 77° | — | — |
| 1991 | 84° | 65° | 74° | — | — |
| 1990 | 86° | 55° | 71° | — | — |
| 1989 | 87° | 56° | 71° | — | — |
| 1988 | 86° | 55° | 71° | — | — |
| 1987 | 82° | 55° | 69° | — | — |
| 1986 | 99° | 52° | 75° | — | — |
| 1985 | 80° | 59° | 70° | — | — |
| 1984 | 95° | 66° | 81° | — | — |
| 1983 | 89° | 70° | 79° | — | — |
| 1982 | 95° | 55° | 75° | — | — |
| 1981 | 88° | 64° | 76° | — | — |
| 1980 | 85° | 64° | 74° | — | — |
| 1979 | 87° | 61° | 74° | — | — |
| 1978 | 81° | 53° | 67° | — | — |
| 1977 | 90° | 70° | 80° | 2.97" | — |
| 1976coldest | 78° | 56° | 67° | — | — |
| 1975 | 83° | 56° | 69° | — | — |
| 1974 | 87° | 52° | 69° | — | — |
| 1973 | 90° | 61° | 75° | — | — |
| 1972 | 85° | 54° | 69° | — | — |
| 1971 | 89° | 62° | 76° | — | — |
51 years of data from POMONA/FAIRPLEX