Southern California Weather Forecast: Tuesday, December 9, 2025

Current Conditions and Cooling Trend

• ☀️ The weather is cooperating, feeling more like summer than a winter wonderland.
• 🌃 Live look at LAX shows clear skies and a cool evening underway.
• 🌡️ Temperatures are cooling down into the 60s, with Ontario at 66 and Palm Springs at 60.

Travel and Air Quality Advisories

• ⚠️ A dense fog advisory is in effect for the Central Valley, including the Grapevine and Frazier Park, with reduced visibility expected until 11 AM tomorrow.
• 💨 Air quality alerts are expected to continue until early tomorrow morning, with most of the LA Basin reporting moderate air quality.

Wind and Offshore Flow

• 🌬️ Light breezes are present, with stronger winds expected in the Antelope Valley (Sandberg, Lancaster) due to offshore flow.
• 📈 These winds are a result of a ridge of high pressure bringing warm weather.
• 💨 Winds are expected to decrease by Thursday morning and continue through Friday.

Drought Conditions and Fire Weather Concerns

• 🏜️ The region is experiencing dry brush and vegetation due to a mega drought.
• 📉 Future humidity levels are expected to drop into the single digits, especially tomorrow.
• 🔥 Combined with heat, this will elevate fire weather concerns for Wednesday and potentially Thursday.

Temperature Outlook and Marine Layer

• 🔥 Expect temperatures tomorrow to be 12 to 20 degrees above normal, with highs of 86 in Woodland Hills and 85 in Burbank.
• 📈 The 7-day forecast shows highs around 80 degrees in the LA area, cooling into the lower 70s by Saturday and Sunday.
• 🌊 An area of low pressure arriving Friday into Sunday will increase the marine layer again, especially for Saturday and Sunday.
• 🚫 No precipitation is expected in the next 7 days.