March weather in Oceanside, CA
The average temperature in Oceanside in March is 56.2°F (46.2°F–66.3°F). Average precipitation: 1.68 inches.
March is a spring month in Oceanside, and is cooler than the annual average of 61°F. Daily temperatures swing about 20.1°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 11h 47m. For travel, March is a comfortable month to visit.
Avg High
66.3°F
Avg Low
46.2°F
Precipitation
1.68 in
Daylight
11h 47m
March records in Oceanside
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 86.0°F (2013) | 33.1°F (2021) | 0.39 in (2014) |
| March 2 | 82.0°F (2009) | 29.1°F (2021) | 0.38 in (2019) |
| March 3 | 79.0°F (2020) | 31.1°F (2021) | 0.76 in (2021) |
| March 4 | 81.0°F (2007) | 33.1°F (2002) | 0.28 in (2022) |
| March 5 | 79.0°F (2007) | 36.0°F (2002) | 0.72 in (2000) |
| March 6 | 82.9°F (2015) | 34.0°F (2015) | 0.73 in (2025) |
| March 7 | 86.0°F (2004) | 36.0°F (2012) | 0.45 in (2016) |
| March 8 | 89.1°F (2026) | 31.1°F (2012) | 1.37 in (2013) |
| March 9 | 87.1°F (2014) | 35.1°F (2022) | 0.15 in (2001) |
| March 10 | 79.0°F (2008) | 35.1°F (2010) | 0.99 in (2020) |
| March 11 | 80.1°F (2007) | 37.9°F (2013) | 0.66 in (2025) |
| March 12 | 84.9°F (2007) | 37.0°F (2022) | 1.05 in (2020) |
| March 13 | 91.9°F (2015) | 37.0°F (2006) | 1.00 in (2025) |
| March 14 | 91.9°F (2015) | 32.0°F (2002) | 0.73 in (2023) |
| March 15 | 91.9°F (2015) | 37.0°F (2002) | 1.66 in (2023) |
| March 16 | 91.0°F (2015) | 37.0°F (2021) | 0.46 in (2003) |
| March 17 | 87.1°F (2026) | 36.0°F (2008) | 0.70 in (2012) |
| March 18 | 82.9°F (2026) | 37.9°F (2008) | 0.25 in (2020) |
| March 19 | 82.9°F (2026) | 36.0°F (2002) | 0.30 in (2022) |
| March 20 | 84.9°F (2026) | 37.0°F (2002) | 1.01 in (2011) |
| March 21 | 80.1°F (2026) | 37.9°F (2012) | 1.66 in (2023) |
| March 22 | 78.1°F (2022) | 37.9°F (2006) | 0.39 in (2020) |
| March 23 | 89.1°F (2022) | 36.0°F (2009) | 0.27 in (2024) |
| March 24 | 79.0°F (2008) | 34.0°F (2009) | 0.03 in (2024) |
| March 25 | 75.9°F (2015) | 37.9°F (2009) | 0.38 in (2012) |
| March 26 | 84.9°F (2015) | 41.0°F (2002) | 0.17 in (2004) |
| March 27 | 84.0°F (2015) | 37.9°F (2021) | 0.64 in (2020) |
| March 28 | 82.9°F (2004) | 37.0°F (2012) | 0.47 in (2006) |
| March 29 | 88.0°F (2004) | 39.0°F (2021) | 0.31 in (2023) |
| March 30 | 84.9°F (2003) | 41.0°F (2016) | 1.03 in (2024) |
| March 31 | 84.0°F (2021) | 37.9°F (2016) | 0.46 in (2024) |