Weather forecast for tomorrowCupertino, CA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 77°F
- 52°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 11mphNNW 346°
- Humidity: 56%
- UV index: 5
- Sunrise: 7:19 am PDT
- Sunset: 6:27 pm PDT
- details ▼
On Sunday, in Cupertino, uninterrupted sunshine is anticipated.
The maximum temperature will be a warm 77°F, while the minimum temperature will be a crisp 51.8°F.
The anticipated top temperature is expected to be relatively higher than the usual October maximum of 71.6°F.
Sunrise will be at 7:19 am and sunset at 6:27 pm; tomorrow's daylight will last for 11h and 8min.
The maximum temperature will be a warm 77°F, while the minimum temperature will be a crisp 51.8°F.
The anticipated top temperature is expected to be relatively higher than the usual October maximum of 71.6°F.
Sunrise will be at 7:19 am and sunset at 6:27 pm; tomorrow's daylight will last for 11h and 8min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 75°C.
Coldest hour: 6 am 57°C.
Coldest hour: 6 am 57°C.
Chance of precipitation
Highest chance: 5%.
Hourly weather forecast
- 12 am
- 64°F
- Feels like:64°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 1mphNNE 33°
- Humidity: 59%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 61°F
- Feels like:61°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 1mphW 275°
- Humidity: 67%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 59°F
- Feels like:59°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 1mphWSW 239°
- Humidity: 69%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 57°F
- Feels like:57°F
Mostly Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 1mphWSW 256°
- Humidity: 71%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:19 am
- 8 am
- 57°F
- Feels like:57°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 1mphWNW 296°
- Humidity: 76%
- Pressure: 30"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
- 10 am
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphNE 37°
- Humidity: 66%
- Pressure: 30"Hg
- Visibility: 9mi
- UV index: 2
- details ▼
- 12 pm
- 72°F
- Feels like:72°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphN 355°
- Humidity: 52%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 2 pm
- 75°F
- Feels like:75°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphNNW 346°
- Humidity: 45%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 73°F
- Feels like:73°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphNNW 343°
- Humidity: 43%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 68°F
- Feels like:68°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphNNW 339°
- Humidity: 51%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:27 pm
- 8 pm
- 61°F
- Feels like:61°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphNNW 340°
- Humidity: 69%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 57°F
- Feels like:57°F
Mostly Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 3mphNNW 346°
- Humidity: 80%
- Pressure: 30"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
Tomorrow, clear skies and sunny weather are expected.
The temperature will vary between the lowest temperature of 55.4°F and the highest temperature of 75.2°F. The warmest part of the day will be at 2 pm and 3 pm.
The maximum temperature tomorrow will be slightly warmer than October's average high. The expected low will be also resembling the average minimum in October, which is 53.8°F.
The temperature will vary between the lowest temperature of 55.4°F and the highest temperature of 75.2°F. The warmest part of the day will be at 2 pm and 3 pm.
The maximum temperature tomorrow will be slightly warmer than October's average high. The expected low will be also resembling the average minimum in October, which is 53.8°F.
Updated: Oct 17, 2026 @ 21:54:43 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, sunshine is expected with little to no cloud cover.
Tomorrow, the maximum temperature will be 77°F, while the minimum temperature will be 51.8°F.
The maximum temperature will be relatively higher than the average highest temperature of 71.6°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
The maximum temperature will be relatively higher than the average highest temperature of 71.6°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
On Sunday, in Cupertino, sunrise will be at 7:19 am and sunset at 6:27 pm (PDT).
In Cupertino, tomorrow, there will be 11h and 8min of daylight.





