Weather on October 21
Stockton, CA
55 Years of Data
Avg High
80°F
Avg Low
48°F
Warmest
2003
72°F avg
Coldest
1985
51°F avg
About This Date
October 21st in Stockton, CA typically brings warm fall weather, with average highs around 80°F and lows near 48°F — a 32°F daily swing. Over 55 years of records, the warmest October 21st was in 2003 (72°F average), while the coldest was 1985 (51°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 9% of October 21st dates historically, with the wettest October 21st recording 0.69" of rain. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for October 21st in Stockton, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 83° | 49° | 66° | — | — |
| 2024 | 82° | 48° | 65° | — | — |
| 2023 | 77° | 55° | 66° | — | — |
| 2022 | 87° | 52° | 69° | — | — |
| 2021 | 77° | 57° | 67° | 0.08" | — |
| 2020 | 90° | 53° | 71° | — | — |
| 2019 | 88° | 50° | 69° | — | — |
| 2018 | 82° | 49° | 65° | — | — |
| 2017 | 73° | 43° | 58° | — | — |
| 2016 | 83° | 47° | 65° | — | — |
| 2015 | 82° | 48° | 65° | — | — |
| 2014 | 74° | 49° | 61° | — | — |
| 2013 | 82° | 47° | 64° | — | — |
| 2012 | 70° | 50° | 60° | 0.03" | — |
| 2011 | 84° | 53° | 69° | — | — |
| 2010 | 80° | 50° | 65° | — | — |
| 2009 | 77° | 46° | 62° | — | — |
| 2008 | 82° | 34° | 58° | — | — |
| 2007 | 79° | 42° | 60° | — | — |
| 2006 | 85° | 49° | 67° | — | — |
| 2005 | 78° | 51° | 65° | — | — |
| 2004 | 69° | 42° | 56° | — | — |
| 2003warmest | 90° | 54° | 72° | — | — |
| 2002 | 80° | 45° | 62° | — | — |
| 2001 | 81° | 46° | 63° | — | — |
| 2000 | 78° | 53° | 66° | — | — |
| 1999 | 86° | 47° | 66° | — | — |
| 1998 | 84° | 47° | 65° | — | — |
| 1997 | 78° | 47° | 62° | — | — |
| 1996 | 89° | 47° | 68° | — | — |
| 1995 | 87° | 51° | 69° | — | — |
| 1994 | 80° | 47° | 63° | — | — |
| 1993 | 82° | 50° | 66° | — | — |
| 1992 | 82° | 50° | 66° | 0.33" | — |
| 1991 | 90° | 49° | 69° | — | — |
| 1990 | 75° | 38° | 56° | — | — |
| 1989 | 90° | 50° | 70° | — | — |
| 1988 | 90° | 38° | 64° | — | — |
| 1987 | 73° | 54° | 63° | — | — |
| 1986 | 78° | 47° | 62° | — | — |
| 1985coldest | 60° | 42° | 51° | 0.69" | — |
| 1984 | 68° | 45° | 56° | — | — |
| 1983 | 84° | 38° | 61° | — | — |
| 1982 | 79° | 52° | 65° | — | — |
| 1981 | 83° | 45° | 64° | — | — |
| 1980 | 82° | 41° | 62° | — | — |
| 1979 | 65° | 41° | 53° | 0.43" | — |
| 1978 | 75° | 49° | 62° | — | — |
| 1977 | 71° | 48° | 60° | — | — |
| 1976 | 82° | 51° | 67° | — | — |
| 1975 | 84° | 52° | 68° | — | — |
| 1974 | 81° | 53° | 67° | — | — |
| 1973 | 76° | 53° | 64° | — | — |
| 1972 | 72° | 46° | 59° | — | — |
| 1971 | 69° | 38° | 53° | — | — |
55 years of data from STOCKTON FIRE STN 4