| National Weather Service Forecast for:
Cupertino CA Issued by: National Weather Service San Francisco Bay Area/Monterey, CA |
||||||||||||||||||
| Updated: 1:26 pm PDT Jun 29, 2026 | ||||||||||||||||||
|
| Tonight |
Mostly clear, with a low around 56. Light and variable wind. |
| Tuesday |
Sunny, with a high near 83. Calm wind becoming southwest 5 to 8 mph in the afternoon. |
| Tuesday Night |
Increasing clouds, with a low around 55. West wind 5 to 7 mph becoming south after midnight. |
| Wednesday |
Mostly sunny, with a high near 78. South wind 5 to 7 mph. |
| Wednesday Night |
Partly cloudy, with a low around 54. South southwest wind 6 to 8 mph. |
| Thursday |
Mostly sunny, with a high near 76. |
| Thursday Night |
Partly cloudy, with a low around 55. |
| Friday |
Sunny, with a high near 81. |
| Friday Night |
Mostly clear, with a low around 56. |
| Independence Day |
Sunny, with a high near 83. |
| Saturday Night |
Partly cloudy, with a low around 57. |
| Sunday |
Mostly sunny, with a high near 82. |
| Sunday Night |
Patchy fog. Otherwise, partly cloudy, with a low around 57. |
| Monday |
Mostly sunny, with a high near 80. |
Forecast from NOAA-NWS for Cupertino CA.
