National Weather Service Forecast for: Pasadena CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Updated: 8:42 pm PDT Jul 12, 2026
 
Tonight

Tonight: Mostly cloudy, with a low around 66. South southwest wind around 5 mph becoming calm.
Mostly Cloudy
Monday

Monday: Mostly sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.
Mostly Sunny
Monday
Night
Monday Night: Patchy fog after 11pm.  Otherwise, increasing clouds, with a low around 67. West southwest wind around 5 mph becoming calm  in the evening.
Patchy Fog
Tuesday

Tuesday: Patchy fog before 11am.  Otherwise, cloudy through mid morning, then gradual clearing and hot, with a high near 96. Heat index values as high as 109. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.
Patchy Fog
then Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 68. West southwest wind 5 to 10 mph becoming light and variable  in the evening.
Mostly Clear
Wednesday

Wednesday: Sunny and hot, with a high near 102.
Hot
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 73.
Mostly Clear
Thursday

Thursday: Sunny, with a high near 95.
Sunny
Thursday
Night
Thursday Night: Partly cloudy, with a low around 67.
Partly Cloudy
Lo 66 °F Hi 90 °F Lo 67 °F Hi 96 °F Lo 68 °F Hi 102 °F Lo 73 °F Hi 95 °F Lo 67 °F

Extreme Heat Watch
Heat Advisory
 

Tonight
 
Mostly cloudy, with a low around 66. South southwest wind around 5 mph becoming calm.
Monday
 
Mostly sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
 
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 67. West southwest wind around 5 mph becoming calm in the evening.
Tuesday
 
Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing and hot, with a high near 96. Heat index values as high as 109. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.
Tuesday Night
 
Mostly clear, with a low around 68. West southwest wind 5 to 10 mph becoming light and variable in the evening.
Wednesday
 
Sunny and hot, with a high near 102.
Wednesday Night
 
Mostly clear, with a low around 73.
Thursday
 
Sunny, with a high near 95.
Thursday Night
 
Partly cloudy, with a low around 67.
Friday
 
Mostly sunny, with a high near 89.
Friday Night
 
Partly cloudy, with a low around 66.
Saturday
 
A slight chance of showers. Mostly sunny, with a high near 88.
Saturday Night
 
Mostly clear, with a low around 65.
Sunday
 
Mostly sunny, with a high near 87.

 

Forecast from NOAA-NWS for Pasadena CA.