Santa Clarita Valley- Including Lake Castaic, Newhall, Santa Clarita, and Valencia 239 AM PDT Fri Apr 19 2024 .TODAY...Partly cloudy except for patchy low clouds and fog in the morning. Highs around 70. .TONIGHT...Partly cloudy in the evening then low clouds and fog. Lows in the lower 50s. .SATURDAY...Low clouds and fog in the morning then sunny. Highs in the lower to mid 70s. .SATURDAY NIGHT...Mostly clear. Lows in the lower to mid 50s. North winds 10 to 20 mph after midnight. .SUNDAY...Sunny. Highs in the lower to mid 80s. .SUNDAY NIGHT...Clear. Lows in the mid 50s. .MONDAY...Sunny. Highs in the mid 70s to around 80. .MONDAY NIGHT AND TUESDAY...Low clouds and fog in the night and morning, otherwise mostly clear. Lows around 50. Highs around 70. .TUESDAY NIGHT...Mostly clear in the evening then low clouds and fog. Lows in the upper 40s. .WEDNESDAY AND WEDNESDAY NIGHT...Low clouds and fog in the morning and night, otherwise partly cloudy. Highs in the mid to upper 60s. Lows in the upper 40s. .THURSDAY...Low clouds and fog in the morning then mostly cloudy. A 20 percent chance of showers in the afternoon. Highs in the lower to mid 60s. $$