Weather forecast for tomorrowGeyserville, CA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 84°F
- 45°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 8mphSW 221°
- Humidity: 42%
- UV index: 5
- Sunrise: 7:24 am PDT
- Sunset: 6:29 pm PDT
- details ▼
Tomorrow, on Sunday, October 18, sunshine will likely continue with scattered clouds at most.
Temperature values will vary noticeably, extending from a warm 84.2°F to a brisk 44.6°F.
The maximum heat index, which factors the actual air temperature with the relative humidity, is calculated to be 84.2°F.
The expected high of 84.2°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.
Temperature values will vary noticeably, extending from a warm 84.2°F to a brisk 44.6°F.
The maximum heat index, which factors the actual air temperature with the relative humidity, is calculated to be 84.2°F.
The expected high of 84.2°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 68°C.
Coldest hour: 6 am 46°C.
Coldest hour: 6 am 46°C.
Chance of precipitation
Highest chance: 6 pm 13%.
Hourly weather forecast
- 12 am
- 52°F
- Feels like:50°F
Mostly Clear
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 4mphWNW 295°
- Humidity: 89%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 48°F
- Feels like:48°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 3mphWNW 299°
- Humidity: 94%
- Pressure: 29.94"Hg
- Visibility: 8mi
- UV index: 0
- details ▼
- 4 am
- 46°F
- Feels like:46°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 4mphWNW 297°
- Humidity: 97%
- Pressure: 29.94"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
- 6 am
- 46°F
- Feels like:45°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 3mphWNW 292°
- Humidity: 99%
- Pressure: 29.94"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
Sunrise: 7:24 am
- 8 am
- 45°F
- Feels like:45°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 3mphWNW 302°
- Humidity: 100%
- Pressure: 29.94"Hg
- Visibility: 8mi
- UV index: 0
- details ▼
- 10 am
- 54°F
- Feels like:54°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphWNW 301°
- Humidity: 74%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 63°F
- Feels like:63°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphW 266°
- Humidity: 52%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 68°F
- Feels like:68°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphWSW 254°
- Humidity: 35%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 68°F
- Feels like:68°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphWSW 254°
- Humidity: 29%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 64°F
- Feels like:64°F
Cloudy
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 7mphWSW 248°
- Humidity: 39%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:29 pm
- 8 pm
- 57°F
- Feels like:57°F
Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphW 270°
- Humidity: 56%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 55°F
- Feels like:55°F
Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphWSW 244°
- Humidity: 66%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of cloudy and sun-filled weather is expected.
The temperature will vary between the lowest temperature of 44.6°F and the highest temperature of 68°F. The warmest part of the day will be from 2 pm to 5 pm.
The temperature will feel more alike with September's average high than the expected maximum for October. Tomorrow, expect the temperature to be more comparable to the typical minimum for November than for October.
The temperature will vary between the lowest temperature of 44.6°F and the highest temperature of 68°F. The warmest part of the day will be from 2 pm to 5 pm.
The temperature will feel more alike with September's average high than the expected maximum for October. Tomorrow, expect the temperature to be more comparable to the typical minimum for November than for October.
Updated: Oct 18, 2026 @ 06:08:51 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
On Sunday, sunshine will likely continue with scattered clouds at most.
Tomorrow, the maximum temperature will be 84.2°F, while the minimum temperature will be 44.6°F. The maximum heat index, which adjusts the air temperature based on humidity, is estimated at 84.2°F.
The highest temperature tomorrow will be uncommonly higher than the average maximum of 73.8°F in October. Tomorrow, the lowest temperature will be a couple of degrees lower than the average low temperature.
The highest temperature tomorrow will be uncommonly higher than the average maximum of 73.8°F in October. Tomorrow, the lowest temperature will be a couple of degrees lower than the average low temperature.
On Sunday, in Geyserville, sunrise will be at 7:24 am and sunset at 6:29 pm (PDT).
In Geyserville, the length of the day tomorrow will be 11h and 5min.
