Weather forecast for tomorrowVallejo, CA

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 73°F
  • 52°F
Sunny
Sunny
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 14mphSW 235°
  • Humidity: 67%
  • UV index: 5
  • Sunrise: 7:20 am PDT
  • Sunset: 6:27 pm PDT
  • ▼
On Sunday, in Vallejo, clear skies and sunshine are anticipated.
The maximum expected temperature is a moderately hot 73.4°F, while the minimum temperature will be a crisp 51.8°F.
The expected maximum is forecasted to be in line with the regular October temperature of 72.9°F.
Sunrise will be at 7:20 am and sunset at 6:27 pm; tomorrow's daylight will last for 11h and 6min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 72°C.
Coldest hour: 6 am 55°C.

Chance of precipitation

Highest chance: 6 am 12%.

Hourly weather forecast

  • 12 am
  • 63°F
  • Feels like:
    63°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphSW 235°
  • Humidity: 67%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 57°F
  • Feels like:
    57°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphSW 230°
  • Humidity: 82%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 55°F
  • Feels like:
    55°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 4mphWSW 250°
  • Humidity: 87%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 55°F
  • Feels like:
    54°F
Clear
Clear
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 4mphWSW 248°
  • Humidity: 89%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:20 am
  • 8 am
  • 55°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 4mphWSW 244°
  • Humidity: 89%
  • Pressure: 29.97"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
  • 10 am
  • 61°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphSW 230°
  • Humidity: 81%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSW 226°
  • Humidity: 63%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 72°F
  • Feels like:
    72°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphSW 228°
  • Humidity: 53%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 72°F
  • Feels like:
    72°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphSW 235°
  • Humidity: 50%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 6 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 12mphWSW 246°
  • Humidity: 61%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:27 pm
  • 8 pm
  • 59°F
  • Feels like:
    57°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 11mphWSW 242°
  • Humidity: 76%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 57°F
  • Feels like:
    55°F
Clear
Clear
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 11mphWSW 240°
  • Humidity: 81%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, primarily sunny and occasionally overcast weather is forecasted.
The temperature will be between the lowest temperature of 55.4°F and the highest temperature of 71.6°F. The warmest part of the day will be from 2 pm to 4 pm.
The forecasted high will be comparable to the typical October maximum of 72.9°F. The lowest temperature is also comparable to October's typical minimum of 54°F.
Updated: Oct 18, 2026 @ 05:48:57 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, sun-filled conditions are expected to persist.

Tomorrow, the highest temperature will be 73.4°F, while the lowest temperature will be 51.8°F.
The maximum temperature will be in line with the average highest temperature of 72.9°F in October. Tomorrow, the lowest temperature will be also in line with the average low temperature.

On Sunday, in Vallejo, sunrise will be at 7:20 am and sunset at 6:27 pm (PDT).

In Vallejo, the length of the day tomorrow will be 11h and 6min.