Weather forecast for tomorrowVacaville, CA

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 72°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 11mphSW 230°
  • Humidity: 53%
  • UV index: 5
  • Sunrise: 7:21 am PDT
  • Sunset: 6:24 pm PDT
  • ▼
On Monday, in Vacaville, moderate cloud cover will mix with sunshine throughout the day.
The temperature variation is predicted to range from a maximum of a pleasant 71.6°F to a minimum of a brisk 48.2°F.
The expected top temperature is expected to be a few degrees lower than the usual October maximum of 76.5°F.
Sunrise will be at 7:21 am and sunset at 6:24 pm; tomorrow's daylight will last for 11h and 4min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 70°C.
Coldest hour: 6 am 50°C.

Chance of precipitation

Highest chance: 6 am 7%.

Hourly weather forecast

  • 12 am
  • 54°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 9mphSW 224°
  • Humidity: 80%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 52°F
  • Feels like:
    48°F
Mostly Clear
Mostly Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 10mphSW 228°
  • Humidity: 84%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 52°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 9mphSW 228°
  • Humidity: 85%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 50°F
  • Feels like:
    46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 8mphSW 232°
  • Humidity: 86%
  • Pressure: 29.91"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Sunrise: 7:21 am
  • 8 am
  • 52°F
  • Feels like:
    48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 8mphSW 236°
  • Humidity: 83%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 59°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphWSW 242°
  • Humidity: 61%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphSW 231°
  • Humidity: 46%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 68°F
  • Feels like:
    68°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSW 226°
  • Humidity: 38%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 70°F
  • Feels like:
    70°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSW 223°
  • Humidity: 37%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 64°F
  • Feels like:
    64°F
Cloudy
Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphSW 230°
  • Humidity: 44%
  • Pressure: 29.83"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:24 pm
  • 8 pm
  • 59°F
  • Feels like:
    57°F
Cloudy
Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphSW 222°
  • Humidity: 58%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 55°F
  • Feels like:
    54°F
Cloudy
Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 5mphSSW 210°
  • Humidity: 65%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, a combination of clear and cloudy weather is forecasted.
The temperature will vary between a minimum of 50°F and a maximum of 69.8°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum temperature will be relatively lower than October's average high of 76.5°F. The expected low will be more comparable to what’s common in November than the current October average of 54.1°F.
Updated: Oct 18, 2026 @ 07:37:03 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, expect partly sunny skies with periods of cloudiness.

Tomorrow, the highest temperature will be 71.6°F, while the lowest temperature will be 48.2°F.
The maximum temperature will be a few degrees lower than the average highest temperature of 76.5°F in October. The lowest temperature will be also slightly cooler than the average low of 54.1°F.

On Monday, in Vacaville, sunrise will be at 7:21 am and sunset at 6:24 pm (PDT).

In Vacaville, the length of the day tomorrow will be 11h and 4min.