Weather on October 21
Daly City, CA
55 Years of Data
Avg High
64°F
Avg Low
51°F
Warmest
1989
67°F avg
Coldest
2020
40°F avg
About This Date
October 21st in Daly City, CA typically brings mild fall weather, with average highs around 64°F and lows near 51°F. Over 55 years of records, the warmest October 21st was in 1989 (67°F average), while the coldest was 2020 (40°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 11% of October 21st dates historically, with the wettest October 21st recording 1.6" 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 October 21st in Daly City, CA? Great weather for outdoor activities.
Cooling Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 60° | 57° | 59° | — | — |
| 2024 | 61° | 53° | 57° | — | — |
| 2023 | 64° | 54° | 59° | — | — |
| 2022 | 59° | 53° | 56° | — | — |
| 2021 | 67° | 60° | 63° | 1.6" | — |
| 2020coldest | 45° | 35° | 40° | — | — |
| 2019 | 63° | 50° | 56° | — | — |
| 2018 | 60° | 52° | 56° | — | — |
| 2017 | 63° | 49° | 56° | — | — |
| 2016 | 63° | 53° | 58° | — | — |
| 2015 | 66° | 59° | 63° | — | — |
| 2014 | 65° | 53° | 59° | — | — |
| 2013 | 57° | 49° | 53° | — | — |
| 2012 | 57° | 51° | 54° | 0.1" | — |
| 2011 | 62° | 53° | 58° | — | — |
| 2010 | 61° | 55° | 58° | — | — |
| 2009 | 61° | 53° | 57° | — | — |
| 2008 | 64° | 49° | 56° | — | — |
| 2007 | 70° | 50° | 60° | — | — |
| 2006 | 81° | 54° | 67° | — | — |
| 2005 | 55° | 50° | 53° | — | — |
| 2004 | 60° | 49° | 54° | — | — |
| 2003 | 55° | 49° | 52° | — | — |
| 2002 | 60° | 50° | 55° | — | — |
| 2001 | 56° | 52° | 54° | — | — |
| 2000 | 60° | 52° | 56° | — | — |
| 1999 | 77° | 51° | 64° | — | — |
| 1998 | 73° | 54° | 63° | — | — |
| 1997 | 58° | 53° | 55° | — | — |
| 1996 | 67° | 45° | 56° | — | — |
| 1995 | 62° | 53° | 58° | — | — |
| 1994 | 61° | 48° | 54° | — | — |
| 1993 | 65° | 55° | 60° | — | — |
| 1992 | 72° | 56° | 64° | — | — |
| 1991 | 69° | 48° | 59° | — | — |
| 1990 | 69° | 46° | 58° | — | — |
| 1989warmest | 82° | 52° | 67° | 0.23" | — |
| 1988 | 65° | 52° | 58° | — | — |
| 1987 | 71° | 54° | 62° | — | — |
| 1986 | 72° | 54° | 63° | — | — |
| 1985 | 62° | 54° | 58° | 0.08" | — |
| 1984 | 62° | 50° | 56° | — | — |
| 1983 | 68° | 45° | 56° | — | — |
| 1982 | 72° | 60° | 66° | 0.05" | — |
| 1981 | 56° | 50° | 53° | — | — |
| 1980 | 65° | — | — | — | — |
| 1979 | 68° | 51° | 60° | — | — |
| 1978 | 63° | 53° | 58° | — | — |
| 1977 | 64° | 47° | 55° | — | — |
| 1976 | 64° | 51° | 58° | — | — |
| 1975 | 64° | 54° | 59° | — | — |
| 1974 | 73° | 58° | 65° | — | — |
| 1973 | 69° | 47° | 58° | 0.05" | — |
| 1972 | 65° | 51° | 58° | — | — |
| 1971 | 65° | 44° | 54° | — | — |
55 years of data from SAN FRANCISCO OCEANSIDE