Weather forecast for tomorrowLivermore, CA

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 81°F
  • 52°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 13mphWSW 257°
  • Humidity: 44%
  • UV index: 5
  • Sunrise: 7:18 am PDT
  • Sunset: 6:25 pm PDT
  • ▼
Tomorrow, on Sunday, October 18, the weather remains calm, bright, and sunny.
Temperature readings are anticipated to span from a high of a warm 80.6°F to a low of a cool 51.8°F.
The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is estimated at 80.6°F.
With a forecast of 80.6°F, conditions deviate from October's average and instead resemble September's climate trend.
Sunrise will be at 7:18 am and sunset at 6:25 pm; tomorrow's daylight will last for 11h and 7min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 79°C.
Coldest hour: 6 am 55°C.

Chance of precipitation

Highest chance: 9 pm 6%.

Hourly weather forecast

  • 12 am
  • 63°F
  • Feels like:
    63°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphWSW 239°
  • Humidity: 43%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 59°F
  • Feels like:
    59°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSSW 206°
  • Humidity: 51%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 57°F
  • Feels like:
    57°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphS 172°
  • Humidity: 56%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 55°F
  • Feels like:
    55°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphSW 214°
  • Humidity: 61%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:18 am
  • 8 am
  • 55°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphSW 229°
  • Humidity: 67%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphWSW 248°
  • Humidity: 49%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 77°F
  • Feels like:
    77°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphW 263°
  • Humidity: 36%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 2 pm
  • 79°F
  • Feels like:
    79°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphW 271°
  • Humidity: 30%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 77°F
  • Feels like:
    77°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 13mphW 264°
  • Humidity: 33%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 6 pm
  • 70°F
  • Feels like:
    70°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphWSW 258°
  • Humidity: 44%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:25 pm
  • 8 pm
  • 61°F
  • Feels like:
    61°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 9mphWSW 257°
  • Humidity: 64%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 57°F
  • Feels like:
    55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 9mphWSW 252°
  • Humidity: 73%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, primarily bright and occasionally cloudy weather is predicted.
The temperature will vary between the lowest temperature of 55.4°F and the highest temperature of 78.8°F. The warmest part of the day will be from 1 pm to 3 pm.
Tomorrow, temperatures will be more comparable to the climate of September than the usual maximum in October. Tomorrow, the temperature will drop to a level in line with October's average minimum of 52.5°F.
Updated: Oct 18, 2026 @ 05:52:54 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, sunny conditions are expected to continue.

Tomorrow, the maximum temperature will be 80.6°F, while the minimum temperature will be 51.8°F. The maximum heat index, which adjusts the air temperature based on humidity, is evaluated at 80.6°F.
The highest temperature tomorrow will be relatively higher than the average maximum temperature in October. The lowest temperature will be in line with the average low of 52.5°F.

On Sunday, in Livermore, sunrise will be at 7:18 am and sunset at 6:25 pm (PDT).

In Livermore, the length of the day tomorrow will be 11h and 7min.