Weather on March 21
Daly City, CA
55 Years of Data
Avg High
60°F
Avg Low
47°F
Warmest
2016
63°F avg
Coldest
2023
40°F avg
About This Date
March 21st in Daly City, CA typically brings mild spring weather, with average highs around 60°F and lows near 47°F. Over 56 years of records, the warmest March 21st was in 2016 (63°F average), while the coldest was 2023 (40°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 29% of March 21st dates historically, with the wettest March 21st recording 3.68" of rain. The last decade has been 3.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.3°F cooler on this date compared to 20-30 years ago.
Planning for March 21st in Daly City, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 73° | 53° | 63° | — | — |
| 2025 | 56° | 45° | 50° | — | — |
| 2024 | 59° | 52° | 55° | — | — |
| 2023coldest | 55° | 25° | 40° | 2.59" | — |
| 2022 | 64° | 48° | 56° | — | — |
| 2021 | 55° | 42° | 49° | — | — |
| 2020 | 69° | 41° | 55° | — | — |
| 2019 | 44° | 38° | 41° | — | — |
| 2018 | 59° | 31° | 45° | 0.71" | — |
| 2017 | 60° | 53° | 57° | 0.81" | — |
| 2016warmest | 75° | 52° | 63° | 0.41" | — |
| 2015 | 61° | 51° | 56° | — | — |
| 2014 | 61° | 51° | 56° | — | — |
| 2013 | 58° | 42° | 50° | — | — |
| 2012 | 58° | 41° | 49° | — | — |
| 2011 | 55° | 48° | 52° | — | — |
| 2010 | 58° | 49° | 53° | — | — |
| 2009 | 57° | 48° | 53° | — | — |
| 2008 | 58° | 44° | 51° | — | — |
| 2007 | 56° | 45° | 50° | 0.03" | — |
| 2006 | 54° | 43° | 48° | 0.03" | — |
| 2005 | 59° | 53° | 56° | 1.83" | — |
| 2004 | 62° | 52° | 57° | — | — |
| 2003 | 58° | 48° | 53° | 0.03" | — |
| 2002 | 57° | 48° | 53° | — | — |
| 2001 | 59° | 53° | 56° | — | — |
| 2000 | 72° | 48° | 60° | — | — |
| 1999 | 57° | 48° | 53° | — | — |
| 1998 | 59° | 54° | 56° | 0.18" | — |
| 1997 | 66° | 50° | 58° | — | — |
| 1996 | 56° | 51° | 53° | — | — |
| 1995 | 56° | 47° | 51° | 0.53" | — |
| 1994 | 59° | 45° | 52° | — | — |
| 1993 | 63° | 45° | 54° | — | — |
| 1992 | 65° | 54° | 59° | — | — |
| 1991 | 55° | 47° | 51° | 0.13" | — |
| 1990 | 57° | 48° | 53° | — | — |
| 1989 | 64° | 46° | 55° | — | — |
| 1988 | 65° | 52° | 58° | — | — |
| 1987 | 56° | 38° | 47° | — | — |
| 1986 | 62° | 48° | 55° | — | — |
| 1985 | 59° | 42° | 51° | — | — |
| 1984 | 59° | 50° | 55° | — | — |
| 1983 | 60° | 42° | 51° | 0.13" | — |
| 1982 | 62° | 40° | 51° | — | — |
| 1981 | 63° | 48° | 55° | 1.14" | — |
| 1980 | 60° | 52° | 56° | — | — |
| 1979 | 57° | 51° | 54° | — | — |
| 1978 | 65° | 52° | 58° | 1.02" | — |
| 1977 | 64° | 43° | 53° | — | — |
| 1976 | 60° | 42° | 51° | — | — |
| 1975 | 53° | 46° | 50° | 3.68" | — |
| 1974 | 57° | 45° | 51° | — | — |
| 1973 | 54° | 44° | 49° | 0.38" | — |
| 1972 | 62° | 49° | 55° | — | — |
| 1971 | 59° | 44° | 52° | — | — |
56 years of data from SAN FRANCISCO OCEANSIDE