Warm and sunny weather in Southern California is expected to change with a cooldown and light rain starting Saturday, as an atmospheric river weakens upon reaching the region.

The National Weather Service reports warming trends in Southern California with coastal temperatures in the 60s and 70s and inland regions warmer. Light rain and snow are expected over the weekend.

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Southern California is experiencing rising temperatures, with the inland areas getting warmer while coastal regions remain cooler. Low humidity is intensifying the heat, but a low-pressure system may bring rain to the area over the weekend.

San Diego expects sunny skies followed by rainfall, with a warming trend until Thursday and cooler temperatures with possible light to moderate rain over the weekend.

San Diego's weather today featured morning fog, sunny skies, and mild temperatures, with gusty winds in the mountains and deserts, as reported by the National Weather Service.

San Diego weather will see a mix of frosty mornings, potential high winds, and above-average temperatures, with a cooling trend and uncertain precipitation possibilities by next weekend.

San Diego faces a chilly weekend with temperatures varying by location, a frost advisory in effect, and dry conditions anticipated post-sunrise. Santa Ana winds are expected to return, and a mix of weather patterns is forecasted for the coming week.

NWS San Diego predicts rain, mountain snow, and strong winds in San Diego continuing into Saturday with varying precipitation amounts across different regions.

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The NWS San Diego forecasts cooler temps, showers, and strong winds into the weekend, with a significant drop in temperature, potential snow in higher elevations, and marine advisories in effect.

San Diego's weather will be warmer and drier today, with cooling and showers by the weekend. Higher elevation areas may see some snowfall, and gusty conditions are expected Thursday night and Friday.

Southwestern California is experiencing cooler temperatures and gusty winds, with a slight warm-up expected mid-week followed by another cooldown and possible showers by the weekend, according to NWS San Diego.