Weather on August 18
Menifee, CA
55 Years of Data
Avg High
90°F
Avg Low
61°F
Warmest
2020
89°F avg
Coldest
2021
66°F avg
About This Date
August 18th in Menifee, CA typically brings hot summer weather, with average highs around 90°F and lows near 61°F — a 29°F daily swing. Over 55 years of records, the warmest August 18th was in 2020 (89°F average), while the coldest was 2021 (66°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 2% of August 18th dates historically, with the wettest August 18th recording 2.79" 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 18th in Menifee, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 62° | 75° | — | — |
| 2024 | 86° | 61° | 73° | — | — |
| 2023 | 90° | 68° | 79° | — | — |
| 2022 | 88° | 66° | 77° | — | — |
| 2021coldest | 70° | 62° | 66° | — | — |
| 2020warmest | 104° | 74° | 89° | — | — |
| 2019 | 83° | 55° | 69° | — | — |
| 2018 | 86° | 64° | 75° | — | — |
| 2017 | 81° | 59° | 70° | — | — |
| 2016 | 94° | 61° | 77° | — | — |
| 2015 | 83° | 63° | 73° | — | — |
| 2014 | 87° | 61° | 74° | — | — |
| 2013 | 85° | 66° | 75° | — | — |
| 2012 | 92° | 70° | 81° | — | — |
| 2011 | 88° | 62° | 75° | — | — |
| 2010 | 95° | 72° | 83° | — | — |
| 2009 | 80° | 57° | 69° | — | — |
| 2008 | 82° | 61° | 71° | — | — |
| 2007 | 94° | 67° | 80° | — | — |
| 2006 | 88° | 59° | 73° | — | — |
| 2005 | 81° | 54° | 67° | — | — |
| 2004 | 83° | 62° | 72° | — | — |
| 2003 | 89° | 60° | 75° | — | — |
| 2002 | 76° | 58° | 67° | — | — |
| 2001 | 94° | 73° | 83° | — | — |
| 2000 | 100° | 61° | 80° | — | — |
| 1999 | 104° | 63° | 83° | — | — |
| 1998 | 99° | 59° | 79° | — | — |
| 1997 | 94° | 56° | 75° | — | — |
| 1996 | 91° | 59° | 75° | — | — |
| 1995 | 94° | 55° | 74° | — | — |
| 1994 | 100° | 68° | 84° | — | — |
| 1993 | 96° | 57° | 77° | — | — |
| 1992 | 102° | 73° | 88° | — | — |
| 1991 | 94° | 60° | 77° | — | — |
| 1990 | 86° | 60° | 73° | — | — |
| 1989 | 86° | 57° | 72° | — | — |
| 1988 | 95° | 59° | 77° | — | — |
| 1987 | 93° | 50° | 72° | — | — |
| 1986 | 103° | 63° | 83° | — | — |
| 1985 | 87° | 56° | 71° | — | — |
| 1984 | 87° | 67° | 77° | — | — |
| 1983 | 72° | 67° | 69° | 2.79" | — |
| 1982 | 100° | 54° | 77° | — | — |
| 1981 | 93° | 62° | 78° | — | — |
| 1980 | 86° | 56° | 71° | — | — |
| 1979 | 89° | 59° | 74° | — | — |
| 1978 | 95° | 51° | 73° | — | — |
| 1977 | 85° | 62° | 73° | — | — |
| 1976 | 82° | 52° | 67° | — | — |
| 1975 | 88° | 50° | 69° | — | — |
| 1974 | 99° | 55° | 77° | — | — |
| 1973 | 106° | 62° | 84° | — | — |
| 1972 | 83° | 53° | 68° | — | — |
| 1971 | 95° | 63° | 79° | — | — |
55 years of data from SUN CITY