| National Weather Service Forecast for:
Downey CA Issued by: National Weather Service Los Angeles/Oxnard, CA |
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| Updated: 3:42 pm PDT Jul 12, 2026 | ||||||||||||||||||
|
Extreme Heat Watch
Heat Advisory
| Tonight |
Mostly cloudy, with a low around 68. West southwest wind around 5 mph. |
| Monday |
Cloudy, then gradually becoming mostly sunny, with a high near 87. Light west southwest wind increasing to 5 to 10 mph in the afternoon. |
| Monday Night |
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 69. West southwest wind 5 to 10 mph becoming light in the evening. |
| Tuesday |
Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 92. Heat index values as high as 109. Light southwest wind becoming west southwest 5 to 10 mph in the morning. |
| Tuesday Night |
Mostly clear, with a low around 70. Southwest wind 5 to 10 mph becoming light and variable in the evening. |
| Wednesday |
Sunny and hot, with a high near 96. |
| Wednesday Night |
Mostly clear, with a low around 74. |
| Thursday |
Mostly sunny, with a high near 92. |
| Thursday Night |
Partly cloudy, with a low around 70. |
| Friday |
Mostly sunny, with a high near 87. |
| Friday Night |
Partly cloudy, with a low around 69. |
| Saturday |
A slight chance of showers. Partly sunny, with a high near 87. |
| Saturday Night |
Partly cloudy, with a low around 69. |
| Sunday |
Mostly sunny, with a high near 86. |
Forecast from NOAA-NWS for Downey CA.
