Weather forecast for tomorrowSunnyvale, CA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 73°F
- 54°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 12mphNNW 343°
- Humidity: 62%
- UV index: 5
- Sunrise: 7:19 am PDT
- Sunset: 6:27 pm PDT
- details ▼
Tomorrow, high-altitude clouds may scatter across the sky, but the sun will still shine.
Temperature fluctuations between a moderately hot 73.4°F and a cool 53.6°F are anticipated.
The highest temperature tomorrow will align with the usual October peak of 71.8°F.
Sunrise will be at 7:19 am and sunset at 6:27 pm; tomorrow's daylight will last for 11h and 8min.
Temperature fluctuations between a moderately hot 73.4°F and a cool 53.6°F are anticipated.
The highest temperature tomorrow will align with the usual October peak of 71.8°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 72°C.
Coldest hour: 6 am 57°C.
Coldest hour: 6 am 57°C.
Chance of precipitation
Highest chance: 6 am 6%.
Hourly weather forecast
- 12 am
- 63°F
- Feels like:63°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 1mphNNE 19°
- Humidity: 63%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 61°F
- Feels like:61°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 1mphWNW 285°
- Humidity: 67%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 59°F
- Feels like:59°F
Mostly Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 1mphWNW 282°
- Humidity: 72%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 57°F
- Feels like:57°F
Mostly Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 1mphW 267°
- Humidity: 76%
- 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: 6%
- Precipitation: 0"
- Wind: 1mphWNW 302°
- Humidity: 80%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 63°F
- Feels like:63°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphNNE 16°
- Humidity: 70%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 70°F
- Feels like:70°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphN 351°
- Humidity: 58%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 2 pm
- 72°F
- Feels like:72°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphNNW 342°
- Humidity: 51%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 70°F
- Feels like:70°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphNNW 339°
- Humidity: 49%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 10mphNNW 336°
- Humidity: 58%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:27 pm
- 8 pm
- 59°F
- Feels like:59°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphNNW 333°
- Humidity: 74%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 57°F
- Feels like:57°F
Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphNNW 340°
- Humidity: 80%
- Pressure: 30"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, primarily sunny and occasionally dull weather is forecasted.
The temperature will vary between the lowest temperature of 57.2°F and the highest temperature of 71.6°F. The warmest part of the day will be from 1 pm to 3 pm.
The maximum temperature will be consistent with October's average highest temperature of 71.8°F. The expected low will be also in line with the average minimum in October, which is 53.6°F.
The temperature will vary between the lowest temperature of 57.2°F and the highest temperature of 71.6°F. The warmest part of the day will be from 1 pm to 3 pm.
The maximum temperature will be consistent with October's average highest temperature of 71.8°F. The expected low will be also in line with the average minimum in October, which is 53.6°F.
Updated: Oct 17, 2026 @ 13:53:43 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
On Sunday, clouds and sunshine will create a dynamic sky throughout the day.
Tomorrow, the maximum temperature will be 73.4°F, while the minimum temperature will be 53.6°F.
Tomorrow, the highest temperature will be in line with the average maximum temperature in October. Tomorrow, the lowest temperature will be also in line with the average low temperature.
Tomorrow, the highest temperature will be in line with the average maximum temperature in October. Tomorrow, the lowest temperature will be also in line with the average low temperature.
On Sunday, in Sunnyvale, sunrise will be at 7:19 am and sunset at 6:27 pm (PDT).
In Sunnyvale, tomorrow, there will be 11h and 8min of daylight.
