LaCostaWeather.com Highest recorded temperature: 149.0 °F on Apr 22, 2023 Lowest recorded temperature: 31.8 °F on Feb 2, 2016 Total recorded temperature range: 117.2 °F Highest recorded pressure: 30.52 inHg on Jan 27, 2017 Lowest recorded pressure: 29.47 inHg on Aug 20, 2023 Total recorded pressure range: 1.05 inHg Highest recorded wind speed: 70.0 MPH on Apr 1, 2016 Wettest day on record: Feb 27, 2017 with 2.74 in of rain.