Weather forecast for tomorrowThermalito, CA

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 86°F
  • 52°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphSSE 167°
  • Humidity: 33%
  • UV index: 4
  • Sunrise: 7:19 am PDT
  • Sunset: 6:23 pm PDT
  • ▼
Tomorrow, in Thermalito, clear and sunny conditions are also expected.
A notable disparity in temperature is forecasted, reaching up to a maximum of a humid 86°F and falling to a minimum of a crisp 51.8°F.
Expect a hotter feel as the forecasted high matches September's 88.9°F, rather than October's average of 76.1°F.
Sunrise will be at 7:19 am and sunset at 6:23 pm; tomorrow's daylight will last for 11h and 3min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 84°C.
Coldest hour: 6 am 54°C.

Chance of precipitation

Highest chance: 12 am - 9 pm 0%.

Hourly weather forecast

  • 12 am
  • 66°F
  • Feels like:
    66°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphENE 72°
  • Humidity: 32%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 66°F
  • Feels like:
    66°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphENE 77°
  • Humidity: 32%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 59°F
  • Feels like:
    59°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNE 51°
  • Humidity: 44%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 54°F
  • Feels like:
    54°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNNE 18°
  • Humidity: 54%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:19 am
  • 8 am
  • 54°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphS 172°
  • Humidity: 57%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphS 186°
  • Humidity: 35%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 79°F
  • Feels like:
    79°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphS 173°
  • Humidity: 27%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 82°F
  • Feels like:
    82°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphS 180°
  • Humidity: 23%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 84°F
  • Feels like:
    84°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphS 173°
  • Humidity: 22%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 82°F
  • Feels like:
    82°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSSE 152°
  • Humidity: 25%
  • Pressure: 29.83"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:23 pm
  • 8 pm
  • 73°F
  • Feels like:
    73°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSE 136°
  • Humidity: 33%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 70°F
  • Feels like:
    70°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSE 134°
  • Humidity: 38%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, primarily bright and sunny weather is anticipated.
The temperature will vary between the lowest temperature of 53.6°F and the highest temperature of 84.2°F. The hottest part of the day will be from 3 pm to 5 pm.
The highest temperature is more consistent with September's average maximum of 88.9°F than October's usual of 76.1°F. The nighttime low tomorrow will be similar to October's typical minimum temperature.
Updated: Oct 18, 2026 @ 04:47:20 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

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

Tomorrow, the highest temperature will be 86°F, while the lowest temperature will be 51.8°F.
The highest temperature tomorrow will be noticeably higher than the average maximum of 76.1°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.

On Sunday, in Thermalito, sunrise will be at 7:19 am and sunset at 6:23 pm (PDT).

In Thermalito, the length of the day tomorrow will be 11h and 3min.