Weather forecast for tomorrowUnion City, CA
Weather forecast for tomorrow
Monday Oct 19, 2026
- 64°F
- 52°F
Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 13mphW 276°
- Humidity: 63%
- UV index: 5
- Sunrise: 7:20 am PDT
- Sunset: 6:25 pm PDT
- details ▼
On Monday, in Union City, expect persistent cloudiness.
Temperatures will oscillate between a comfortable 64.4°F at their highest and a crisp 51.8°F at their lowest.
The temperature will be lower and more consistent with November's average high of 63.5°F than with October's usual.
Sunrise will be at 7:20 am and sunset at 6:25 pm; tomorrow's daylight will last for 11h and 5min.
Temperatures will oscillate between a comfortable 64.4°F at their highest and a crisp 51.8°F at their lowest.
The temperature will be lower and more consistent with November's average high of 63.5°F than with October's usual.
Sunrise will be at 7:20 am and sunset at 6:25 pm; tomorrow's daylight will last for 11h and 5min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 55°C.
Coldest hour: 6 am 55°C.
Chance of precipitation
Highest chance: 12 am 21%.
Hourly weather forecast
- 12 am
- 57°F
- Feels like:55°F
Mostly Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 7mphW 273°
- Humidity: 81%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 57°F
- Feels like:55°F
Mostly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 7mphW 267°
- Humidity: 79%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 55°F
- Feels like:55°F
Mostly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 7mphWSW 256°
- Humidity: 79%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 55°F
- Feels like:55°F
Mostly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 6mphW 269°
- Humidity: 77%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:20 am
- 8 am
- 57°F
- Feels like:55°F
Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 6mphW 262°
- Humidity: 74%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 59°F
- Feels like:57°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 7mphW 265°
- Humidity: 68%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 61°F
- Feels like:61°F
Mostly Sunny
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 9mphW 269°
- Humidity: 59%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 64°F
- Feels like:63°F
Mostly Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 11mphWNW 286°
- Humidity: 52%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 63°F
- Feels like:61°F
Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 13mphWNW 290°
- Humidity: 56%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 61°F
- Feels like:59°F
Cloudy
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 12mphWNW 289°
- Humidity: 62%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:25 pm
- 8 pm
- 57°F
- Feels like:55°F
Cloudy
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 7mphWNW 298°
- Humidity: 71%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 57°F
- Feels like:55°F
Cloudy
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 4mphWNW 295°
- Humidity: 74%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of gloomy and bright weather is predicted.
The temperature will vary between a minimum of 55.4°F and a maximum of 64.4°F. The warmest part of the day will be at 2 pm and 3 pm.
The expected temperature aligns more with November's average high than with October's 72.1°F. The night temperature will be consistent with the standard October low of 53.8°F.
The temperature will vary between a minimum of 55.4°F and a maximum of 64.4°F. The warmest part of the day will be at 2 pm and 3 pm.
The expected temperature aligns more with November's average high than with October's 72.1°F. The night temperature will be consistent with the standard October low of 53.8°F.
Updated: Oct 18, 2026 @ 12:57:28 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 Monday, gray and overcast skies will be present.
Tomorrow, the maximum temperature will be 64.4°F, while the minimum temperature will be 51.8°F.
The highest temperature will be a couple of degrees lower than the average maximum of 72.1°F in October. The lowest temperature will be in line with the average low of 53.8°F.
The highest temperature will be a couple of degrees lower than the average maximum of 72.1°F in October. The lowest temperature will be in line with the average low of 53.8°F.
On Monday, in Union City, sunrise will be at 7:20 am and sunset at 6:25 pm (PDT).
In Union City, tomorrow, there will be 11h and 5min of daylight.





