Weather forecast for tomorrowPreston, CA

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 82°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 8mphW 272°
  • Humidity: 41%
  • UV index: 5
  • Sunrise: 7:24 am PDT
  • Sunset: 6:29 pm PDT
  • ▼
Tomorrow, on Sunday, sun-filled conditions are also expected to persist.
Temperatures will show considerable variation, extending from a high of a temperate 82.4°F to a low of a brisk 44.6°F.
The maximum heat index, which indicates how humid air affects the felt temperature, is computed to be 82.4°F.
The expected high of 82.4°F appears seasonally off, better matching September's typical values.
Sunrise will be at 7:24 am and sunset at 6:29 pm; tomorrow's daylight will last for 11h and 5min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 81°C.
Coldest hour: 6 am 52°C.

Chance of precipitation

Highest chance: 9 pm 5%.

Hourly weather forecast

  • 12 am
  • 61°F
  • Feels like:
    61°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphN 353°
  • Humidity: 45%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 57°F
  • Feels like:
    57°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphN 356°
  • Humidity: 52%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 54°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphNNW 344°
  • Humidity: 58%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 52°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphN 351°
  • Humidity: 63%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:24 am
  • 8 am
  • 50°F
  • Feels like:
    50°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphNNW 342°
  • Humidity: 68%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphWNW 289°
  • Humidity: 50%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 73°F
  • Feels like:
    73°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSW 233°
  • Humidity: 35%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 79°F
  • Feels like:
    79°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphWSW 245°
  • Humidity: 26%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 81°F
  • Feels like:
    81°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphWSW 256°
  • Humidity: 24%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 6 pm
  • 72°F
  • Feels like:
    72°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphW 269°
  • Humidity: 36%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:29 pm
  • 8 pm
  • 61°F
  • Feels like:
    61°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphNW 311°
  • Humidity: 56%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 55°F
  • Feels like:
    54°F
Mostly Clear
Mostly Clear
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 5mphNW 321°
  • Humidity: 72%
  • Pressure: 29.97"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, primarily sunny and occasionally cloudy weather is expected.
The temperature will vary between a minimum of 50°F and a maximum of 80.6°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum temperature will align more closely with September's average high of 82.4°F than with October's 73.2°F. The nighttime low will be a couple of degrees lower than the typical October minimum temperature of 48.7°F.
Updated: Oct 18, 2026 @ 03:03:39 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Preston, conditions will remain bright with clear skies.

Tomorrow, the highest temperature will be 82.4°F, while the lowest temperature will be 44.6°F. The maximum heat index, which modifies the air temperature to account for humidity, is calculated to be 82.4°F.
The highest temperature tomorrow will be noticeably higher than the average maximum of 73.2°F in October. The lowest temperature will be a few degrees lower than the average low of 48.7°F.

On Sunday, in Preston, sunrise will be at 7:24 am and sunset at 6:29 pm (PDT).

In Preston, the length of the day tomorrow will be 11h and 5min.