KTLA 5 News Weather Forecast for Southern California - November 25, 2025

Tuesday's Weather Highlights

• 🌡️ Temperatures are significantly warmer today compared to yesterday across Southern California, with many areas seeing a jump of 10-11 degrees.
• 📈 Yorba Linda, Chino, and the San Gabriel area experienced a notable increase, with temperatures peaking at 85, 84, and 84 degrees respectively.
• 💨 The Antelope Valley is under a frost advisory overnight due to cold air settling in, with temperatures potentially dropping as low as 33 degrees.

Overnight and Early Morning Conditions

• 🥶 Overnight lows will be in the 20s and 30s in mountain and high desert areas like Big Bear (28°), Napa Valley (38°), and Victorville (39°).
• 🌫️ Coastal basins and Orange County will see overnight temperatures in the low to mid-50s.
• ☀️ Skies will be sunny, and any frost is expected to melt by 9:00 AM.

Wind Advisory and Future Forecast

• 🌬️ A wind advisory is in effect for the northwestern end of the viewing area, including Agoura Hills, Woodland Hills, Calabasas, and Ventura County, with gusty winds expected from the east and northeast.
• ⚠️ These winds will peak by lunchtime tomorrow and diminish later in the afternoon, re-establishing briefly on Thursday morning before fading.
• 🌧️ Models show a potential for rain in Southern California on Saturday, though timing and track are uncertain and may change.

Mid-Week and Weekend Outlook

• ☁️ Clouds will begin to roll in by Wednesday evening, with mid and upper-level clouds expected on Thursday, helping to bring temperatures down.
• 🌡️ The San Gabriel Valley will see highs in the low 80s on Wednesday, breezy at 81°, cooling to 78° on Thursday and 68° by Sunday.
• ☀️ Orange County will reach 82° tomorrow, cooling to 78° on Friday and 70° by Sunday, with a further drop by Monday.