Weather forecast for 10 daysGeyserville, CA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 84°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 8mphSW 221°
  • Humidity: 42%
  • UV index: 5
  • Sunrise: 7:24 am PDT
  • Sunset: 6:29 pm PDT
  • ▼
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.

10-day overview

Daily temperatures

Warmest day: tomorrow 84°C.
Coldest day: Monday 70°C.

Chance of precipitation

Highest chance: Wednesday 40%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 48°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphNW 318°
  • Humidity: 58%
  • UV index: 0
  • Sunrise: 7:23 am PDT
  • Sunset: 6:30 pm PDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 84°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 8mphSW 221°
  • Humidity: 42%
  • UV index: 5
  • Sunrise: 7:24 am PDT
  • Sunset: 6:29 pm PDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 70°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 8mphW 270°
  • Humidity: 57%
  • UV index: 5
  • Sunrise: 7:25 am PDT
  • Sunset: 6:27 pm PDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 72°F
  • 48°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0.04"
  • Wind: 6mphSSE 163°
  • Humidity: 58%
  • UV index: 3
  • Sunrise: 7:26 am PDT
  • Sunset: 6:26 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 72°F
  • 48°F
AM Showers
AM Showers
  • Precip. probability: 40%
  • Precipitation: 0.04"
  • Wind: 4mphSSE 164°
  • Humidity: 65%
  • UV index: 3
  • Sunrise: 7:27 am PDT
  • Sunset: 6:25 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 72°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 7mphWSW 239°
  • Humidity: 72%
  • UV index: 4
  • Sunrise: 7:28 am PDT
  • Sunset: 6:23 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 77°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 6mphSW 235°
  • Humidity: 63%
  • UV index: 4
  • Sunrise: 7:29 am PDT
  • Sunset: 6:22 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 75°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphSSW 204°
  • Humidity: 57%
  • UV index: 4
  • Sunrise: 7:30 am PDT
  • Sunset: 6:21 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 73°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 8mphSSW 204°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:31 am PDT
  • Sunset: 6:19 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 73°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 8mphSSE 161°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:32 am PDT
  • Sunset: 6:18 pm PDT
  • ▼
Looking ahead, conditions suggest a period of primarily gloomy and occasionally dry and sunny and damp weather is predicted.
With minimal precipitation of 0.04", rainfall is forecasted for Tuesday and Wednesday.
Temperature differences will be noticeable in the upcoming days. Highs will range from 69.8°F to 84.2°F, while the lowest temperature will be between 41°F and 48.2°F.
The hottest day will be Sunday, with a maximum of 84.2°F; the lowest daytime temperature of the period will be reached on Monday, peaking at 69.8°F.
Updated: Oct 18, 2026 @ 06:08:51 UTC
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.

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.