Expires:202512211200;;935066 FPUS56 KLOX 202110 ZFPLOX Zone Forecast Product for Southwest California National Weather Service Los Angeles/Oxnard CA 109 PM PST Sat Dec 20 2025 This is an automatically generated product that provides average values for large geographic areas. For a more site specific forecast...please visit weather.gov/losangeles and (1) Enter a location into the entry box on the top left -- or -- (2) Click a location on the map. CAZ088-211200- Santa Clarita Valley- Including Lake Castaic, Newhall, Santa Clarita, and Valencia 109 PM PST Sat Dec 20 2025 .TONIGHT...Mostly clear. Lows in the mid 40s to mid 50s. .SUNDAY...Sunny in the morning then partly cloudy. Highs around 70. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 40s to lower 50s. .MONDAY...Partly cloudy in the morning then mostly cloudy. Highs in the lower to mid 70s. .MONDAY NIGHT...Mostly cloudy. Lows in the mid 40s to mid 50s. .TUESDAY...Mostly cloudy. A 30 percent chance of showers in the afternoon. Highs in the mid 60s. .TUESDAY NIGHT...Showers. Lows in the lower to mid 50s. .WEDNESDAY...Showers. Locally heavy rainfall possible. Highs around 60. .WEDNESDAY NIGHT...Showers. Lows in the upper 40s to mid 50s. .CHRISTMAS DAY...Showers. Highs in the lower 60s. .THURSDAY NIGHT...Showers. Lows around 50. .FRIDAY...Showers. Highs around 60. .FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of showers. Lows in the mid 40s to around 50. .SATURDAY...Mostly cloudy with a 40 percent chance of showers. Highs around 60. $$