Weather on October 18
El Monte, CA
55 Years of Data
Avg High
81°F
Avg Low
56°F
Warmest
2003
81°F avg
Coldest
1971
57°F avg
About This Date
October 18th in El Monte, CA typically brings warm fall weather, with average highs around 81°F and lows near 56°F — a 25°F daily swing. Over 55 years of records, the warmest October 18th was in 2003 (81°F average), while the coldest was 1971 (57°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 2% of October 18th dates historically, with the wettest October 18th recording 1.19" of rain. The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
Planning for October 18th in El Monte, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 89° | 63° | 76° | — | — |
| 2024 | 80° | 55° | 68° | — | — |
| 2023 | 86° | 61° | 73° | — | — |
| 2022 | 93° | 65° | 79° | — | — |
| 2021 | 64° | 51° | 58° | — | — |
| 2020 | 87° | 62° | 75° | — | — |
| 2019 | 82° | 57° | 70° | — | — |
| 2018 | 85° | 66° | 75° | — | — |
| 2017 | 87° | 63° | 75° | — | — |
| 2016 | 74° | 55° | 64° | — | — |
| 2015 | 78° | 61° | 69° | — | — |
| 2014 | 78° | 64° | 71° | — | — |
| 2013 | 86° | 53° | 70° | — | — |
| 2012 | 79° | 68° | 73° | — | — |
| 2011 | 82° | 54° | 68° | — | — |
| 2010 | 67° | 56° | 61° | — | — |
| 2009 | 79° | 61° | 70° | — | — |
| 2008 | 82° | 56° | 69° | — | — |
| 2007 | 83° | 52° | 67° | — | — |
| 2006 | 80° | 50° | 65° | — | — |
| 2005 | 64° | 57° | 61° | — | — |
| 2004 | 66° | 59° | 63° | 1.19" | — |
| 2003warmest | 99° | 64° | 81° | — | — |
| 2002 | 71° | 59° | 65° | — | — |
| 2001 | 86° | 54° | 70° | — | — |
| 2000 | 87° | 58° | 72° | — | — |
| 1999 | 90° | 49° | 69° | — | — |
| 1998 | 87° | 45° | 66° | — | — |
| 1997 | 91° | 52° | 71° | — | — |
| 1996 | 80° | 53° | 67° | — | — |
| 1995 | 83° | 56° | 69° | — | — |
| 1994 | 80° | 45° | 62° | — | — |
| 1993 | 75° | 53° | 64° | — | — |
| 1992 | 80° | 57° | 69° | — | — |
| 1991 | 92° | 55° | 73° | — | — |
| 1990 | 82° | 59° | 71° | — | — |
| 1989 | 99° | 52° | 75° | — | — |
| 1988 | 83° | 60° | 71° | — | — |
| 1987 | 75° | 63° | 69° | — | — |
| 1986 | 75° | 50° | 63° | — | — |
| 1985 | 83° | 58° | 70° | — | — |
| 1984 | 76° | 46° | 61° | — | — |
| 1983 | 83° | 55° | 69° | — | — |
| 1982 | 83° | 57° | 70° | — | — |
| 1981 | 91° | 50° | 71° | — | — |
| 1980 | 83° | 44° | 63° | — | — |
| 1979 | 70° | 61° | 65° | — | — |
| 1978 | 78° | 55° | 67° | — | — |
| 1977 | 79° | 54° | 66° | — | — |
| 1976 | 78° | 60° | 69° | — | — |
| 1975 | 75° | 53° | 64° | — | — |
| 1974 | 94° | 54° | 74° | — | — |
| 1973 | 96° | 52° | 74° | — | — |
| 1972 | 71° | 55° | 63° | — | — |
| 1971coldest | 69° | 45° | 57° | — | — |
55 years of data from SAN GABRIEL FIRE DEPT