National Weather Service Forecast for: Downey CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Updated: 12:57 pm PST Dec 16, 2025
 
This
Afternoon
This Afternoon: Sunny, with a high near 79. South southwest wind around 5 mph.
Sunny

 Tonight

Tonight: Patchy dense fog after 10pm. Otherwise, increasing clouds, with a low around 54. Southwest wind around 5 mph becoming calm in the evening.
Patchy Dense
Fog
 Wednesday

Wednesday: Patchy dense fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 78. Northeast wind around 5 mph becoming southwest in the morning.
Patchy Dense
Fog then
Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 56. West northwest wind around 5 mph becoming northeast after midnight.
Mostly Clear

 Thursday

Thursday: Sunny, with a high near 81. Calm wind.
Sunny

 Thursday
Night
Thursday Night: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 56.
Mostly Clear
then Patchy
Fog
 Friday

Friday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 78.
Patchy Fog
then Mostly
Sunny
 Friday
Night
Friday Night: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 55.
Patchy Fog

 Saturday

Saturday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 73.
Patchy Fog
then Mostly
Sunny
Hi 79 °F Lo 54 °F Hi 78 °F Lo 56 °F Hi 81 °F Lo 56 °F Hi 78 °F Lo 55 °F Hi 73 °F

Air Quality Alert
Dense Fog Advisory
 

This Afternoon
 
 Sunny, with a high near 79. South southwest wind around 5 mph.
Tonight
 
 Patchy dense fog after 10pm. Otherwise, increasing clouds, with a low around 54. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
 
 Patchy dense fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 78. Northeast wind around 5 mph becoming southwest in the morning.
Wednesday Night
 
 Mostly clear, with a low around 56. West northwest wind around 5 mph becoming northeast after midnight.
Thursday
 
 Sunny, with a high near 81. Calm wind.
Thursday Night
 
 Patchy fog after 4am. Otherwise, partly cloudy, with a low around 56.
Friday
 
 Patchy fog before 10am. Otherwise, partly sunny, with a high near 78.
Friday Night
 
 Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 55.
Saturday
 
 Patchy fog before 10am. Otherwise, partly sunny, with a high near 73.
Saturday Night
 
 Mostly cloudy, with a low around 54.
Sunday
 
 Partly sunny, with a high near 72.
Sunday Night
 
 Mostly cloudy, with a low around 54.
Monday
 
 Partly sunny, with a high near 72.

 

Forecast from NOAA-NWS for Downey CA.