Weather on August 27
Norwalk, CA
55 Years of Data
Avg High
88°F
Avg Low
64°F
Warmest
1981
86°F avg
Coldest
2012
49°F avg
About This Date
August 27th in Norwalk, CA typically brings warm summer weather, with average highs around 88°F and lows near 64°F. Over 55 years of records, the warmest August 27th was in 1981 (86°F average), while the coldest was 2012 (49°F) — a 37°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
Planning for August 27th in Norwalk, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 93° | 65° | 79° | — | — |
| 2024 | 84° | 65° | 74° | — | — |
| 2023 | 97° | 63° | 80° | — | — |
| 2022 | 83° | 67° | 75° | — | — |
| 2021 | 93° | 64° | 79° | — | — |
| 2020 | 95° | 69° | 82° | — | — |
| 2019 | 87° | 69° | 78° | — | — |
| 2018 | 83° | 67° | 75° | — | — |
| 2017 | 90° | 67° | 78° | — | — |
| 2016 | 82° | 66° | 74° | — | — |
| 2015 | 96° | 72° | 84° | — | — |
| 2014 | 95° | 67° | 81° | — | — |
| 2013 | 95° | 71° | 83° | — | — |
| 2012coldest | 98° | -1° | 49° | — | — |
| 2011 | 99° | 69° | 84° | — | — |
| 2010 | 78° | 63° | 70° | — | — |
| 2009 | 107° | 63° | 85° | — | — |
| 2008 | 85° | 67° | 76° | — | — |
| 2007 | 93° | 66° | 80° | — | — |
| 2006 | 95° | 61° | 78° | — | — |
| 2005 | 95° | 67° | 81° | — | — |
| 2004 | 82° | 66° | 74° | — | — |
| 2003 | 85° | 67° | 76° | — | — |
| 2002 | 77° | 63° | 70° | — | — |
| 2001 | 82° | 65° | 73° | — | — |
| 2000 | 79° | 65° | 72° | — | — |
| 1999 | 90° | 65° | 77° | — | — |
| 1998 | 91° | 64° | 78° | — | — |
| 1997 | 90° | 67° | 78° | — | — |
| 1996 | 91° | 62° | 77° | — | — |
| 1995 | 92° | 63° | 77° | — | — |
| 1994 | 87° | 71° | 79° | — | — |
| 1993 | 85° | 67° | 76° | — | — |
| 1992 | 92° | 65° | 78° | — | — |
| 1991 | 80° | 63° | 71° | — | — |
| 1990 | 85° | 59° | 72° | — | — |
| 1989 | 78° | 63° | 70° | — | — |
| 1988 | 80° | 69° | 75° | — | — |
| 1987 | 83° | 62° | 72° | — | — |
| 1986 | 89° | 64° | 77° | — | — |
| 1985 | 89° | 69° | 79° | — | — |
| 1984 | 91° | 68° | 80° | — | — |
| 1983 | 96° | 65° | 80° | — | — |
| 1982 | 88° | 69° | 78° | — | — |
| 1981warmest | 102° | 70° | 86° | — | — |
| 1980 | 84° | 62° | 73° | — | — |
| 1979 | 80° | 64° | 72° | — | — |
| 1978 | 84° | 63° | 73° | — | — |
| 1977 | 80° | 70° | 75° | — | — |
| 1976 | 81° | 69° | 75° | — | — |
| 1975 | 85° | 57° | 71° | — | — |
| 1974 | 82° | 62° | 72° | — | — |
| 1973 | 79° | 60° | 69° | — | — |
| 1972 | 79° | 64° | 71° | — | — |
| 1971 | 94° | 65° | 79° | — | — |
55 years of data from FULLERTON MUNI AP