| NWS Forecast for: Cupertino CA Issued by: National Weather Service San Francisco Bay Area/Monterey, CA Last Update: 3:16 am PDT Sep 9, 2026 |  |
Today: Mostly sunny and hot, with a high near 98. Calm wind becoming north northwest 5 to 9 mph in the afternoon. Tonight: Partly cloudy, with a low around 71. North northwest wind around 6 mph becoming calm in the evening. Thursday: Mostly sunny, with a high near 92. Calm wind becoming northwest 5 to 9 mph in the afternoon. Thursday Night: Mostly clear, with a low around 61. Northwest wind 5 to 8 mph becoming calm in the evening. Friday: Sunny, with a high near 85. Calm wind becoming west northwest 5 to 8 mph in the afternoon. Friday Night: Mostly clear, with a low around 57. Saturday: Sunny, with a high near 76. Saturday Night: Mostly clear, with a low around 55. Sunday: Sunny, with a high near 80. Sunday Night: Mostly clear, with a low around 56. Monday: Sunny, with a high near 82. Monday Night: Mostly clear, with a low around 56. Tuesday: Sunny, with a high near 78. | |
| Cupertino CA 37.31°N 122.03°W (Elev. 262 ft) | |
Visit your local NWS office at: https://www.weather.gov/mtr |
