| National Weather Service Forecast for:
Cupertino CA Issued by: National Weather Service San Francisco Bay Area/Monterey, CA |
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| Updated: 1:36 pm PDT Jul 12, 2026 | ||||||||||||||||||
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| Tonight |
Mostly cloudy, with a low around 64. Light and variable wind. |
| Monday |
Mostly cloudy, then gradually becoming sunny, with a high near 91. Calm wind becoming north northwest around 6 mph in the afternoon. |
| Monday Night |
Partly cloudy, with a low around 67. North northwest wind around 5 mph becoming calm in the evening. |
| Tuesday |
Sunny, with a high near 93. Calm wind becoming west northwest 5 to 8 mph in the afternoon. |
| Tuesday Night |
Mostly clear, with a low around 64. West northwest wind 5 to 9 mph becoming calm in the evening. |
| Wednesday |
Sunny, with a high near 89. |
| Wednesday Night |
Mostly clear, with a low around 59. |
| Thursday |
Sunny, with a high near 84. |
| Thursday Night |
Mostly clear, with a low around 58. |
| Friday |
Mostly sunny, with a high near 85. |
| Friday Night |
Partly cloudy, with a low around 60. |
| Saturday |
Mostly sunny, with a high near 83. |
| Saturday Night |
Partly cloudy, with a low around 60. |
| Sunday |
Mostly sunny, with a high near 84. |
Forecast from NOAA-NWS for Cupertino CA.
