Fourth of July Weather Forecast for Altadena

The National Weather Service forecast for Altadena: 

• Thursday: Patchy fog before 11am. Otherwise, mostly cloudy early, then clearing, with a high near 90. Light south wind increasing to 5 to 10 mph in the afternoon.
• Thursday Night: Mostly clear, with a low around 63. South southwest wind 5 to 10 mph becoming light and variable in the evening.
• Independence Day: Sunny and hot, with a high near 97. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon.
• Friday Night: Partly cloudy, with a low around 66. South southwest wind 5 to 10 mph becoming southeast in the evening.
• Saturday: Mostly sunny, with a high near 90. South southwest wind 5 to 10 mph.
• Saturday Night: Partly cloudy, with a low around 65.
• Sunday: Mostly sunny, with a high near 88.
• Sunday Night: Mostly clear, with a low around 63.