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 ▼
Tomorrow, on Sunday, October 18, conditions remain stable and sunny, with little cloud presence.
The highest temperature will be a warm 77°F, while the lowest forecasted temperature is a fresh 51.8°F.
Tomorrow's forecasted high will be a few degrees higher than the typical October high 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 highest temperature will be a warm 77°F, while the lowest forecasted temperature is a fresh 51.8°F.
Tomorrow's forecasted high will be a few degrees higher than the typical October high 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: 10mi
- UV index: 2
- details ▼
- 12 pm
- 72°F
- Feels like:72°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphN 354°
- Humidity: 51%
- 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
Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 3mphNNW 346°
- Humidity: 80%
- Pressure: 30"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, bright skies and dry conditions are anticipated.
The temperature will be between a minimum of 55.4°F and a maximum of 75.2°F. The warmest part of the day will be at 2 pm and 3 pm.
The highest temperature tomorrow will be slightly warmer than October's typical maximum temperature. The night temperature will be also resembling the standard October low of 53.8°F.
The temperature will be between a minimum of 55.4°F and a maximum of 75.2°F. The warmest part of the day will be at 2 pm and 3 pm.
The highest temperature tomorrow will be slightly warmer than October's typical maximum temperature. The night temperature will be also resembling the standard October low of 53.8°F.
Updated: Oct 17, 2026 @ 23:14:02 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
On Sunday, sunny skies are in store, with excellent visibility.
Tomorrow, the highest temperature in Cupertino will be 77°F, while the lowest temperature will be 51.8°F.
The highest temperature tomorrow will be a couple of degrees higher than the average maximum temperature in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
The highest temperature tomorrow will be a couple of degrees higher than the average maximum temperature in October. Tomorrow, the lowest temperature 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).
Tomorrow, the daylight will last for 11h and 8min.
