Weather forecast for tomorrowFairfield, CA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 81°F
- 50°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 14mphWSW 237°
- Humidity: 53%
- UV index: 5
- Sunrise: 7:20 am PDT
- Sunset: 6:26 pm PDT
- details ▼
Tomorrow, on Sunday, October 18, sun-filled conditions are also expected to persist.
The day's temperature range will span from a high of a temperate 80.6°F to a minimum of a fresh 50°F.
The maximum heat index, which combines air temperature and relative humidity, is appraised at 82.4°F.
Tomorrow's top temperature will be a few degrees higher than October's standard maximum of 75.6°F.
Sunrise will be at 7:20 am and sunset at 6:26 pm; tomorrow's daylight will last for 11h and 6min.
The day's temperature range will span from a high of a temperate 80.6°F to a minimum of a fresh 50°F.
The maximum heat index, which combines air temperature and relative humidity, is appraised at 82.4°F.
Tomorrow's top temperature will be a few degrees higher than October's standard maximum of 75.6°F.
Sunrise will be at 7:20 am and sunset at 6:26 pm; tomorrow's daylight will last for 11h and 6min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 79°C.
Coldest hour: 6 am 54°C.
Coldest hour: 6 am 54°C.
Chance of precipitation
Highest chance: 5%.
Hourly weather forecast
- 12 am
- 59°F
- Feels like:59°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphSW 231°
- Humidity: 59%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 57°F
- Feels like:55°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphWSW 238°
- Humidity: 68%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 55°F
- Feels like:54°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphWSW 244°
- Humidity: 74%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 54°F
- Feels like:52°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphWSW 246°
- Humidity: 82%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:20 am
- 8 am
- 54°F
- Feels like:52°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphWSW 242°
- Humidity: 84%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 8mphWSW 237°
- Humidity: 61%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 73°F
- Feels like:73°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphSW 232°
- Humidity: 46%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 77°F
- Feels like:77°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 13mphSW 235°
- Humidity: 38%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 79°F
- Feels like:79°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphSW 233°
- Humidity: 35%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 70°F
- Feels like:70°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphWSW 237°
- Humidity: 46%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:26 pm
- 8 pm
- 61°F
- Feels like:57°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 13mphSW 232°
- Humidity: 68%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 55°F
- Feels like:54°F
Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 14mphSW 232°
- Humidity: 81%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, bright and mostly sunny weather is expected.
The temperature will vary between the lowest temperature of 51.8°F and the highest temperature of 78.8°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum temperature tomorrow will be slightly warmer than October's average high. The lowest temperature tomorrow will be also comparable to October's average minimum.
The temperature will vary between the lowest temperature of 51.8°F and the highest temperature of 78.8°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum temperature tomorrow will be slightly warmer than October's average high. The lowest temperature tomorrow will be also comparable to October's average minimum.
Updated: Oct 18, 2026 @ 04:30:50 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
Tomorrow, in Fairfield, conditions will remain bright with clear skies.
Tomorrow, the maximum temperature will be 80.6°F, while the minimum temperature will be 50°F. The maximum heat index, which modifies the air temperature to account for humidity, is appraised at 82.4°F.
Tomorrow, the maximum temperature will be a couple of degrees higher than the average highest temperature in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
Tomorrow, the maximum temperature will be a couple of degrees higher than the average highest temperature in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
On Sunday, in Fairfield, sunrise will be at 7:20 am and sunset at 6:26 pm (PDT).
In Fairfield, California, tomorrow, there will be 11h and 6min of daylight.
