Weather on April 18
Vacaville, CA
55 Years of Data
Avg High
73°F
Avg Low
45°F
Warmest
2009
69°F avg
Coldest
1979
49°F avg
About This Date
April 18th in Vacaville, CA typically brings pleasant spring weather, with average highs around 73°F and lows near 45°F — a 28°F daily swing. Over 55 years of records, the warmest April 18th was in 2009 (69°F average), while the coldest was 1979 (49°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 15% of April 18th dates historically, with the wettest April 18th recording 1.32" of rain. The last decade has been 4.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.0°F warmer on this date compared to 20-30 years ago.
Planning for April 18th in Vacaville, CA? Great weather for outdoor activities.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 79° | 44° | 61° | — | — |
| 2024 | 82° | 46° | 64° | — | — |
| 2023 | 64° | 41° | 53° | — | — |
| 2022 | 73° | 42° | 58° | — | — |
| 2021 | 92° | 45° | 68° | — | — |
| 2020 | 68° | 50° | 59° | — | — |
| 2019 | 85° | 47° | 66° | — | — |
| 2018 | 63° | 39° | 51° | — | — |
| 2017 | 71° | 47° | 59° | — | — |
| 2016 | 87° | 50° | 69° | — | — |
| 2015 | 87° | 45° | 66° | — | — |
| 2014 | 78° | 49° | 63° | — | — |
| 2013 | 79° | 48° | 63° | — | — |
| 2012 | 75° | 49° | 62° | — | — |
| 2011 | 67° | 53° | 60° | — | — |
| 2010 | 77° | 48° | 63° | — | — |
| 2009warmest | 87° | 50° | 69° | — | — |
| 2008 | 77° | — | — | — | — |
| 2007 | 64° | 43° | 53° | — | — |
| 2006 | 70° | 44° | 57° | — | — |
| 2005 | 71° | 45° | 58° | — | — |
| 2004 | 57° | 41° | 49° | 0.05" | — |
| 2003 | 69° | 40° | 54° | — | — |
| 2002 | 67° | 36° | 51° | — | — |
| 2001 | 72° | 48° | 60° | — | — |
| 2000 | 66° | 40° | 53° | — | — |
| 1999 | 84° | 47° | 65° | — | — |
| 1998 | 71° | 39° | 55° | — | — |
| 1997 | 81° | 51° | 66° | 0.1" | — |
| 1996 | 67° | — | — | 0.36" | — |
| 1995 | 66° | 39° | 53° | — | — |
| 1994 | 85° | 47° | 66° | — | — |
| 1993 | 66° | 45° | 55° | 0.05" | — |
| 1992 | 77° | 57° | 67° | — | — |
| 1991 | 69° | 41° | 55° | — | — |
| 1990 | 75° | 50° | 63° | — | — |
| 1989 | 83° | 47° | 65° | — | — |
| 1988 | 67° | 48° | 57° | 1.32" | — |
| 1987 | 65° | 46° | 55° | — | — |
| 1986 | 70° | 40° | 55° | — | — |
| 1985 | 72° | 41° | 56° | — | — |
| 1984 | 59° | 46° | 53° | 0.71" | — |
| 1983 | 67° | 51° | 59° | 0.13" | — |
| 1982 | 75° | 40° | 57° | — | — |
| 1981 | 66° | 50° | 58° | — | — |
| 1980 | 77° | 43° | 60° | — | — |
| 1979coldest | 65° | 34° | 49° | — | — |
| 1978 | 66° | 44° | 55° | — | — |
| 1977 | 80° | 43° | 61° | — | — |
| 1976 | 75° | 43° | 59° | — | — |
| 1975 | 74° | 40° | 57° | — | — |
| 1974 | 61° | 42° | 51° | 0.18" | — |
| 1973 | 70° | 45° | 57° | — | — |
| 1972 | 69° | 48° | 59° | — | — |
| 1971 | 68° | 35° | 52° | — | — |
55 years of data from VACAVILLE/NUT TREE AP ASOS