Fri Feb 21 04:48:06 PM EST 2025 Santa Clarita Valley- Including Lake Castaic, Newhall, Santa Clarita, and Valencia 147 PM PST Fri Feb 21 2025 .TONIGHT...Mostly clear. Lows in the mid 40s to around 50. North to northeast winds 15 to 25 mph. .SATURDAY...Sunny. Highs in the mid to upper 70s. North to northeast winds 15 to 25 mph in the morning. .SATURDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s. .SUNDAY...Sunny. Highs in the upper 70s to mid 80s. .SUNDAY NIGHT...Clear. Lows in the upper 40s to mid 50s. .MONDAY...Sunny. Highs in the upper 70s to mid 80s. .MONDAY NIGHT...Mostly clear. Lows in the lower to mid 50s. .TUESDAY...Sunny. Highs in the lower to mid 80s. .TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. .WEDNESDAY...Sunny. Highs in the mid to upper 80s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 50s to around 60. .THURSDAY...Partly cloudy. Highs in the upper 70s to mid 80s. .THURSDAY NIGHT...Partly cloudy. Lows in the lower to mid 50s. .FRIDAY...Partly cloudy. Highs in the lower to mid 70s.