Weather on March 18
Antioch, CA
55 Years of Data
Avg High
67°F
Avg Low
48°F
Warmest
2002
74°F avg
Coldest
2018
44°F avg
About This Date
March 18th in Antioch, CA typically brings mild spring weather, with average highs around 67°F and lows near 48°F. Over 56 years of records, the warmest March 18th was in 2002 (74°F average), while the coldest was 2018 (44°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 18% of March 18th dates historically, with the wettest March 18th recording 0.81" of rain. The last decade has been 5.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 5.7°F cooler on this date compared to 20-30 years ago.
Planning for March 18th in Antioch, CA? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 75° | 68° | 72° | — | — |
| 2025 | 55° | 38° | 46° | — | — |
| 2024 | 68° | 54° | 61° | — | — |
| 2023 | 58° | 51° | 54° | — | — |
| 2022 | 68° | 51° | 60° | — | — |
| 2021 | 60° | 49° | 54° | 0.36" | — |
| 2020 | 56° | 40° | 48° | — | — |
| 2019 | 76° | 48° | 62° | — | — |
| 2018coldest | 49° | 40° | 44° | — | — |
| 2017 | 68° | 54° | 61° | — | — |
| 2016 | 70° | 48° | 59° | — | — |
| 2015 | 83° | 41° | 62° | 0.51" | — |
| 2014 | 70° | 53° | 61° | — | — |
| 2013 | 68° | 45° | 56° | — | — |
| 2012 | 61° | 32° | 46° | — | — |
| 2011 | 66° | 40° | 53° | — | — |
| 2010 | 71° | 55° | 63° | — | — |
| 2009 | 67° | 51° | 59° | — | — |
| 2008 | 74° | 47° | 60° | — | — |
| 2007 | 79° | 50° | 64° | — | — |
| 2006 | 61° | 45° | 53° | — | — |
| 2005 | 61° | 51° | 56° | 0.81" | — |
| 2004 | 79° | 64° | 71° | — | — |
| 2003 | 67° | 45° | 56° | — | — |
| 2002warmest | 88° | 61° | 74° | — | — |
| 2001 | 76° | 54° | 65° | — | — |
| 2000 | 71° | 57° | 64° | — | — |
| 1999 | 60° | 41° | 51° | — | — |
| 1998 | 70° | 53° | 61° | — | — |
| 1997 | 69° | 48° | 59° | — | — |
| 1996 | 79° | 52° | 65° | — | — |
| 1995 | 69° | 51° | 60° | 0.2" | — |
| 1994 | 69° | 44° | 57° | — | — |
| 1993 | 69° | 50° | 60° | — | — |
| 1992 | 62° | 43° | 52° | — | — |
| 1991 | 54° | 39° | 46° | 0.2" | — |
| 1990 | 72° | 48° | 60° | — | — |
| 1989 | 65° | 51° | 58° | 0.18" | — |
| 1988 | 72° | 44° | 58° | — | — |
| 1987 | 71° | 46° | 59° | — | — |
| 1986 | 64° | 48° | 56° | — | — |
| 1985 | 61° | 45° | 53° | 0.08" | — |
| 1984 | 63° | 44° | 53° | — | — |
| 1983 | 59° | 45° | 52° | 0.64" | — |
| 1982 | 57° | 38° | 47° | 0.71" | — |
| 1981 | 64° | 42° | 53° | 0.03" | — |
| 1980 | 65° | 43° | 54° | — | — |
| 1979 | 62° | 44° | 53° | — | — |
| 1978 | 75° | 50° | 63° | — | — |
| 1977 | 57° | 39° | 48° | — | — |
| 1976 | 76° | 46° | 61° | — | — |
| 1975 | 57° | 44° | 51° | — | — |
| 1974 | 70° | 53° | 61° | — | — |
| 1973 | 55° | 41° | 48° | — | — |
| 1972 | 78° | 55° | 67° | — | — |
| 1971 | 68° | 48° | 58° | — | — |
56 years of data from ANTIOCH FIBREBRD MILLS