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El Cajon, CA Weather on August 27
August 27th in El Cajon, CA typically brings hot summer weather, with average highs around 91°F and lows near 65°F — a 26°F daily swing. Over 55 years of records, the warmest August 27th was in 2001 (86°F average), while the coldest was 1973 (69°F) — a 17°F range across recorded history. This date has historically been dry, with little recorded precipitation. Temperatures on this date have remained relatively stable over the past several decades.
What to Expect on August 27
Planning for August 27th in El Cajon, CA? Stay hydrated and seek shade during peak afternoon hours.
August 27 Weather Records for El Cajon
- •The all-time record high for August 27th in El Cajon, CA is 106°F, set in 2009.
- •The coldest August 27th on record dropped to 52°F in 1975.
- •Temperatures have reached 90°F or higher on August 27th in 30 of the last 55 years.
- •Last year (1971), August 27th was 7°F warmer than the long-term average.
Frequently Asked Questions
What was the warmest August 27 ever in El Cajon?
The warmest August 27 in El Cajon, CA reached 106°F in 2009. That is 15°F above the long-term average high of 91°F.
What was the coldest August 27 ever in El Cajon?
The coldest August 27 in El Cajon, CA dropped to 52°F in 1975. That is 13°F below the long-term average low of 65°F.
What is the average temperature on August 27 in El Cajon?
On August 27, El Cajon averages a high of 91°F and a low of 65°F based on 55 years of NOAA weather observations from GILLESPIE FLD.
How many years of weather data are available for August 27 in El Cajon?
We have 55 years of weather records for August 27 in El Cajon, CA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
August 27 Weather History in El Cajon
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 92°F | 66°F | 0" | -- |
| 2024 | 86°F | 61°F | 0" | -- |
| 2023 | 97°F | 63°F | 0" | -- |
| 2022 | 83°F | 67°F | 0" | -- |
| 2021 | 98°F | 66°F | 0" | -- |
| 2020 | 97°F | 67°F | 0" | -- |
| 2019 | 89°F | 68°F | 0" | -- |
| 2018 | 87°F | 66°F | 0" | -- |
| 2017 | 96°F | 66°F | 0" | -- |
| 2016 | 81°F | 65°F | 0" | -- |
| 2015 | 98°F | 71°F | 0" | -- |
| 2014 | 97°F | 66°F | 0" | -- |
| 2013 | 92°F | 68°F | 0" | -- |
| 2012 | 96°F | 63°F | 0" | -- |
| 2011 | 92°F | 71°F | 0" | -- |
| 2010 | 99°F | 67°F | 0" | -- |
| 2009 | 106°F | 63°F | 0" | -- |
| 2008 | 87°F | 67°F | 0" | -- |
| 2007 | 87°F | 66°F | -- | -- |
| 2006 | 96°F | 75°F | 0" | -- |
| 2005 | 96°F | 66°F | 0" | -- |
| 2004 | 84°F | 64°F | 0" | -- |
| 2003 | 91°F | 67°F | 0" | -- |
| 2002 | 81°F | 63°F | 0" | -- |
| 2001 | 89°F | 82°F | 0" | -- |
| 2000 | 86°F | 66°F | 0" | -- |
| 1999 | 93°F | 65°F | 0" | -- |
| 1998 | 89°F | 64°F | 0" | -- |
| 1997 | 92°F | 62°F | 0" | -- |
| 1996 | 91°F | 62°F | 0" | -- |
| 1995 | 100°F | 62°F | 0" | -- |
| 1994 | 92°F | 67°F | 0" | -- |
| 1993 | 85°F | 69°F | 0" | -- |
| 1992 | 92°F | 62°F | 0" | -- |
| 1991 | 82°F | 64°F | 0" | -- |
| 1990 | 95°F | 56°F | 0" | -- |
| 1989 | 82°F | 62°F | 0" | -- |
| 1988 | 89°F | 67°F | 0" | -- |
| 1987 | 85°F | 59°F | 0" | -- |
| 1986 | 94°F | 67°F | 0" | -- |
| 1985 | 94°F | 67°F | 0" | -- |
| 1984 | 92°F | 65°F | 0" | -- |
| 1983 | 98°F | 62°F | 0" | -- |
| 1982 | 87°F | 68°F | 0" | -- |
| 1981 | 101°F | 70°F | 0" | -- |
| 1980 | 89°F | 64°F | 0" | -- |
| 1979 | 82°F | 63°F | 0" | -- |
| 1978 | 85°F | 59°F | 0" | -- |
| 1977 | 80°F | 66°F | 0" | -- |
| 1976 | 84°F | 61°F | 0" | -- |
| 1975 | 91°F | 52°F | 0" | -- |
| 1974 | 91°F | 57°F | 0" | -- |
| 1973 | 81°F | 57°F | 0" | -- |
| 1972 | 84°F | 65°F | 0" | -- |
| 1971 | 98°F | 62°F | 0" | -- |
Based on 55 years of data from NOAA station: GILLESPIE FLD
Monthly Climate Averages
Historical temperature and precipitation averages for El Cajon, CA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.