Weather forecast for tomorrowSebastopol, CA

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 68°F
  • 43°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 11mphWSW 257°
  • Humidity: 64%
  • UV index: 4
  • Sunrise: 7:24 am PDT
  • Sunset: 6:27 pm PDT
  • ▼
Tomorrow, clouds will blanket the sky, reducing sunshine.
The temperature is forecasted to vary between a maximum of a pleasant 68°F and a minimum of a frosty 42.8°F.
The temperature is expected to be slightly cooler than the standard October peak of 72.3°F.
Sunrise will be at 7:24 am and sunset at 6:27 pm; tomorrow's daylight will last for 11h and 3min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 66°C.
Coldest hour: 6 am 45°C.

Chance of precipitation

Highest chance: 6 pm 11%.

Hourly weather forecast

  • 12 am
  • 48°F
  • Feels like:
    48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 2mphW 261°
  • Humidity: 95%
  • Pressure: 29.97"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 2 am
  • 46°F
  • Feels like:
    46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 2mphW 259°
  • Humidity: 99%
  • Pressure: 29.97"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 4 am
  • 45°F
  • Feels like:
    45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 2mphW 268°
  • Humidity: 100%
  • Pressure: 29.97"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
  • 6 am
  • 45°F
  • Feels like:
    45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 2mphW 263°
  • Humidity: 100%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:24 am
  • 8 am
  • 45°F
  • Feels like:
    45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 2mphW 273°
  • Humidity: 100%
  • Pressure: 29.97"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 10 am
  • 54°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphWNW 282°
  • Humidity: 74%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 61°F
  • Feels like:
    61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphWSW 256°
  • Humidity: 56%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 66°F
  • Feels like:
    66°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphWSW 246°
  • Humidity: 47%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 64°F
  • Feels like:
    64°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphWSW 247°
  • Humidity: 45%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 61°F
  • Feels like:
    61°F
Cloudy
Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 9mphWSW 240°
  • Humidity: 54%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:27 pm
  • 8 pm
  • 55°F
  • Feels like:
    55°F
Cloudy
Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 5mphSW 231°
  • Humidity: 70%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 54°F
  • Feels like:
    54°F
Cloudy
Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 2mphSSW 210°
  • Humidity: 78%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, a combination of gloomy and mostly clear weather is predicted.
The temperature will vary between a minimum of 44.6°F and a maximum of 66.2°F. The warmest part of the day will be at 2 pm and 3 pm.
The temperature is expected to be moderately lower than the average peak in October, which is 72.3°F. Forecast models suggest a low more in line with November's typical minimum of 46°F than October's usual 51.8°F.
Updated: Oct 18, 2026 @ 07:29:33 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, a thick layer of clouds will dominate the sky.

Tomorrow, the highest temperature will be 68°F, while the lowest temperature will be 42.8°F.
The maximum temperature will be a few degrees lower than the average highest temperature of 72.3°F in October. The lowest temperature will be also slightly cooler than the average low of 51.8°F.

On Monday, in Sebastopol, sunrise will be at 7:24 am and sunset at 6:27 pm (PDT).

Tomorrow, the daylight will last for 11h and 3min.