San Diego 20 Day Weather 2025. The lowest temperature recorded in san diego, california in 2025 is 49 °f which happened. Explore comprehensive january 2025 weather forecasts for san diego, including daily high and low temperatures, precipitation risks, and monthly temperature trends.

Insights into temperature, precipitation, and weather trends. San diego 30 days forecast, weather trend in the next 30 days, also 30 days precipitation forecast and san diego travel weather forecast