Weather forecast for todayUnion City, CA

Weather forecast for today

Current condition 8:06 am PDT

  • 55°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 1mphE 80°
  • Humidity: 54%
  • Dewpoint: 39°F
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Currently, in Union City, a bright sun and a clear sky set the scene for a beautiful day.
The temperature is a mild 55.4°F. The current temperature is almost at the minimum-anticipated 53.6°F for today.

Saturday Oct 17, 2026

  • 90°F
  • 54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphNW 304°
  • Humidity: 30%
  • UV index: 5
  • Sunrise: 7:18 am PDT
  • Sunset: 6:28 pm PDT
  • ▼
Today, on Saturday, October 17, the forecast calls for abundant sunshine.
Considerable temperature fluctuations from a high of a blazing 89.6°F to a low of a crisp 53.6°F are predicted.
It will feel hotter than usual, as the temperature reflects September's normal high of 78.6°F, not October's.
Sunrise was at 7:18 am and sunset will be at 6:28 pm; the daylight will last for 11h and 10min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 88°C.
Minimum temperature: 63°C.

Chance of precipitation

Highest chance: 11 pm 4%.

Hourly weather forecast

  • 9 am
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphE 90°
  • Humidity: 45%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 10 am
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphNW 305°
  • Humidity: 39%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 11 am
  • 73°F
  • Feels like:
    73°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphWNW 286°
  • Humidity: 35%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 12 pm
  • 81°F
  • Feels like:
    81°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphWNW 290°
  • Humidity: 29%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 1 pm
  • 84°F
  • Feels like:
    84°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphWNW 298°
  • Humidity: 25%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 2 pm
  • 86°F
  • Feels like:
    86°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphNW 307°
  • Humidity: 21%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 3 pm
  • 88°F
  • Feels like:
    88°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphNW 310°
  • Humidity: 21%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 86°F
  • Feels like:
    86°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphNW 304°
  • Humidity: 23%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 5 pm
  • 84°F
  • Feels like:
    84°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphNW 305°
  • Humidity: 27%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 79°F
  • Feels like:
    79°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphNW 307°
  • Humidity: 33%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:28 pm
  • 7 pm
  • 73°F
  • Feels like:
    73°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphNW 312°
  • Humidity: 41%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 70°F
  • Feels like:
    70°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNW 319°
  • Humidity: 50%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 68°F
  • Feels like:
    68°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphNW 310°
  • Humidity: 56%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 64°F
  • Feels like:
    64°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 3mphNW 320°
  • Humidity: 62%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 63°F
  • Feels like:
    63°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 3mphNW 325°
  • Humidity: 64%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in Union City, a cloudless sky and mainly sunshiny weather are expected.
The temperature will be between the highest temperature of 87.8°F and the lowest temperature of 62.6°F. The hottest part of the day is expected around 3 pm.
Today, the temperature will be closer to September's norm than to October's average of 72.1°F. The nighttime low today will be close to October's typical minimum temperature.
Updated: Oct 17, 2026 @ 15:06:07 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 8:06 am PDT is 55.4°F.

On Saturday, in Union City, sunshine is forecasted under mostly clear skies.

Today, the maximum temperature will be 89.6°F, while the minimum temperature will be 53.6°F.
The highest temperature will be noticeably higher 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 Saturday, in Union City, sunrise was at 7:18 am and sunset will be at 6:28 pm (PDT).

In Union City, the length of the day today will be 11h and 10min.