National Weather Service Forecast for: Altadena CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Updated: 1:42 pm PDT Jun 8, 2025
 
This
Afternoon
This Afternoon: Sunny, with a high near 81. Southwest wind around 5 mph.
Sunny

Tonight

Tonight: Mostly clear, with a low around 56. Southwest wind around 5 mph becoming calm  in the evening.
Mostly Clear

Monday

Monday: Sunny, with a high near 83. Calm wind becoming south southwest around 5 mph in the afternoon.
Sunny

Monday
Night
Monday Night: Mostly clear, with a low around 58. South southwest wind around 5 mph becoming calm  in the evening.
Mostly Clear

Tuesday

Tuesday: Sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.
Sunny

Tuesday
Night
Tuesday Night: Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 64.
Patchy Fog

Wednesday

Wednesday: Patchy fog before 11am.  Otherwise, partly sunny, with a high near 87.
Patchy Fog
then Mostly
Sunny
Wednesday
Night
Wednesday Night: Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 63.
Patchy Fog

Thursday

Thursday: Patchy fog before 11am.  Otherwise, partly sunny, with a high near 85.
Patchy Fog
then Sunny
Hi 81 °F Lo 56 °F Hi 83 °F Lo 58 °F Hi 87 °F Lo 64 °F Hi 87 °F Lo 63 °F Hi 85 °F

 

This Afternoon
 
Sunny, with a high near 81. Southwest wind around 5 mph.
Tonight
 
Mostly clear, with a low around 56. Southwest wind around 5 mph becoming calm in the evening.
Monday
 
Sunny, with a high near 83. Calm wind becoming south southwest around 5 mph in the afternoon.
Monday Night
 
Mostly clear, with a low around 58. South southwest wind around 5 mph becoming calm in the evening.
Tuesday
 
Sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
 
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 64.
Wednesday
 
Patchy fog before 11am. Otherwise, partly sunny, with a high near 87.
Wednesday Night
 
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 63.
Thursday
 
Patchy fog before 11am. Otherwise, partly sunny, with a high near 85.
Thursday Night
 
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 62.
Friday
 
Patchy fog. Otherwise, partly sunny, with a high near 84.
Friday Night
 
Patchy fog. Otherwise, mostly cloudy, with a low around 62.
Saturday
 
Patchy fog. Otherwise, mostly sunny, with a high near 87.

 

Forecast from NOAA-NWS for Altadena CA.