| National Weather Service Forecast for:
Cupertino CA Issued by: National Weather Service San Francisco Bay Area/Monterey, CA |
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| Updated: 11:26 pm PDT Apr 6, 2026 | ||||||||||||||||||
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| Overnight |
Partly cloudy, with a low around 47. Calm wind. |
| Tuesday |
Sunny, with a high near 75. Calm wind becoming north northwest 5 to 9 mph in the afternoon. |
| Tuesday Night |
Mostly clear, with a low around 51. North northwest wind 5 to 7 mph becoming calm in the evening. |
| Wednesday |
Sunny, with a high near 78. Calm wind becoming northwest 5 to 8 mph in the afternoon. |
| Wednesday Night |
Partly cloudy, with a low around 53. Northwest wind 5 to 9 mph becoming calm in the evening. |
| Thursday |
A 20 percent chance of rain after 11am. Patchy fog before 8am. Otherwise, partly sunny, with a high near 74. |
| Thursday Night |
A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 53. |
| Friday |
A chance of rain, then showers likely and possibly a thunderstorm after 11am. Partly sunny, with a high near 70. |
| Friday Night |
A chance of rain. Mostly cloudy, with a low around 51. |
| Saturday |
A chance of rain, mainly after 11am. Partly sunny, with a high near 68. |
| Saturday Night |
A chance of rain. Mostly cloudy, with a low around 48. |
| Sunday |
A chance of rain. Partly sunny, with a high near 65. |
| Sunday Night |
Partly cloudy, with a low around 46. |
| Monday |
Mostly sunny, with a high near 69. |
Forecast from NOAA-NWS for Cupertino CA.
