Weather on March 15
Vallejo, CA
55 Years of Data
Avg High
68°F
Avg Low
44°F
Warmest
2015
69°F avg
Coldest
2008
45°F avg
About This Date
March 15th in Vallejo, CA typically brings mild spring weather, with average highs around 68°F and lows near 44°F. Over 36 years of records, the warmest March 15th was in 2015 (69°F average), while the coldest was 2008 (45°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 33% of March 15th dates historically, with the wettest March 15th recording 3.43" of rain. The last decade has been 2.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.2°F cooler on this date compared to 20-30 years ago.
Planning for March 15th in Vallejo, CA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 78° | 41° | 60° | — | — |
| 2025 | 61° | 47° | 54° | — | — |
| 2024 | 76° | 55° | 65° | — | — |
| 2023 | 63° | 39° | 51° | 0.05" | — |
| 2022 | 70° | 54° | 62° | 0.25" | — |
| 2021 | 55° | 37° | 46° | 0.53" | — |
| 2020 | 54° | 44° | 49° | 1.27" | — |
| 2019 | 68° | 42° | 55° | — | — |
| 2018 | 56° | 39° | 47° | 0.58" | — |
| 2017 | 80° | 51° | 66° | — | — |
| 2016 | 71° | 41° | 56° | — | — |
| 2015warmest | 81° | 58° | 69° | — | — |
| 2014 | 76° | 39° | 57° | — | — |
| 2013 | 70° | 40° | 55° | — | — |
| 2012 | 61° | 54° | 57° | 0.38" | — |
| 2011 | 59° | 53° | 56° | 1.55" | — |
| 2010 | 67° | 36° | 51° | — | — |
| 2009 | 59° | 48° | 54° | 0.05" | — |
| 2008coldest | 57° | 34° | 45° | 0.03" | — |
| 2007 | 78° | 38° | 58° | — | — |
| 2006 | 61° | 43° | 52° | — | — |
| 2005 | 78° | 47° | 62° | — | — |
| 2004 | 89° | 45° | 67° | — | — |
| 2003 | 66° | 51° | 59° | 3.43" | — |
| 2002 | 59° | 36° | 47° | — | — |
| 2001 | 69° | 42° | 56° | — | — |
| 2000 | 78° | 45° | 61° | — | — |
| 1999 | 63° | 42° | 52° | 0.51" | — |
| 1998 | 73° | 43° | 58° | — | — |
| 1977 | 56° | 38° | 47° | 0.08" | — |
| 1976 | 71° | 42° | 57° | — | — |
| 1975 | 58° | 38° | 48° | — | — |
| 1974 | 70° | 47° | 58° | — | — |
| 1973 | 64° | 40° | 52° | — | — |
| 1972 | 76° | 48° | 62° | — | — |
| 1971 | 60° | 46° | 53° | — | — |
36 years of data from MARE ISLAND