Weather forecast for tomorrowSan Geronimo, CA

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 70°F
  • 48°F
Sunny
Sunny
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 13mphWNW 283°
  • Humidity: 75%
  • UV index: 5
  • Sunrise: 7:22 am PDT
  • Sunset: 6:28 pm PDT
  • ▼
On Sunday, October 18, uninterrupted sunshine is anticipated.
The temperature will vary between a maximum of a pleasant 69.8°F and a minimum of a chilly 48.2°F.
The forecasted peak temperature will reflect the average October high of 67.5°F.
Sunrise will be at 7:22 am and sunset at 6:28 pm; tomorrow's daylight will last for 11h and 7min.

Hourly overview

Hourly temperatures

Warmest period: 12 pm - 3 pm 66°C.
Coldest hour: 6 am 48°C.

Chance of precipitation

Highest chance: 9 pm 24%.

Hourly weather forecast

  • 12 am
  • 52°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphWNW 304°
  • Humidity: 90%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 50°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 2mphWNW 289°
  • Humidity: 96%
  • Pressure: 29.97"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
  • 4 am
  • 50°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 3mphWNW 284°
  • Humidity: 100%
  • Pressure: 29.97"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 6 am
  • 48°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 2mphW 274°
  • Humidity: 100%
  • Pressure: 29.97"Hg
  • Visibility: 4mi
  • UV index: 0
  • ▼
Sunrise: 7:22 am
  • 8 am
  • 50°F
  • Feels like:
    50°F
Sunny
Sunny
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 2mphWNW 288°
  • Humidity: 100%
  • Pressure: 29.97"Hg
  • Visibility: 3mi
  • UV index: 0
  • ▼
  • 10 am
  • 59°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 5mphW 275°
  • Humidity: 85%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 9mphW 280°
  • Humidity: 64%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 12mphWNW 289°
  • Humidity: 59%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 13mphWNW 288°
  • Humidity: 63%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 6 pm
  • 59°F
  • Feels like:
    57°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 12mphWNW 287°
  • Humidity: 76%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:28 pm
  • 8 pm
  • 55°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 10mphWNW 284°
  • Humidity: 87%
  • Pressure: 29.97"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 10 pm
  • 54°F
  • Feels like:
    50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 9mphW 279°
  • Humidity: 92%
  • Pressure: 29.97"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
Tomorrow, a combination of clear and overcast weather is expected.
The temperature will be between a minimum of 48.2°F and a maximum of 68°F. The warmest part of the day will be at 1 pm and 2 pm.
Tomorrow, expect conditions alike with October's usual high temperature. The lowest temperature tomorrow is more similar to November's average minimum of 50.2°F than the average low in October of 54.7°F.
Updated: Oct 18, 2026 @ 02:17:18 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, conditions remain stable and sunny, with little cloud presence.

Tomorrow, the maximum temperature will be 69.8°F, while the minimum temperature will be 48.2°F.
The maximum temperature tomorrow will be in line with the average highest temperature in October. The lowest temperature tomorrow will be a few degrees lower than the average low temperature.

On Sunday, in San Geronimo, sunrise will be at 7:22 am and sunset at 6:28 pm (PDT).

Tomorrow, the daylight will last for 11h and 7min.