October in San Diego typically marks a transition period from summer’s warm temperatures to the cooler, wetter conditions of autumn. Average highs range from the mid-70s (F) at the beginning of the month to the upper 60s (F) towards the end. Nighttime lows usually hover between the mid-50s (F) and low 60s (F). Rainfall, while still relatively low compared to later autumn and winter months, begins to increase slightly in October.
Predictive information regarding temperature and precipitation is valuable for residents and visitors alike. Planning outdoor activities, choosing appropriate attire, and making informed decisions regarding travel or events are all facilitated by access to reliable meteorological data. Historically, local observations and broader climate patterns have informed predictions. Today, sophisticated models and technological advancements contribute to increasingly accurate forecasts. This information has implications for various sectors, including agriculture, tourism, and water resource management.