Weather forecast for tomorrowEtna, CA

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 79°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSSE 157°
  • Humidity: 36%
  • UV index: 4
  • Sunrise: 7:27 am PDT
  • Sunset: 6:26 pm PDT
  • ▼
On Sunday, October 18, the weather remains calm, bright, and sunny.
The day's temperature scale will range from a significant high of a warm 78.8°F to a minimum of a wintry 41°F.
Tomorrow, the temperature forecast of 78.8°F will better match September's climate average than that of October.
Sunrise will be at 7:27 am and sunset at 6:26 pm; tomorrow's daylight will last for 10h and 59min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 77°C.
Coldest hour: 6 am 39°C.

Chance of precipitation

Highest chance: 1%.

Hourly weather forecast

  • 12 am
  • 48°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSSW 206°
  • Humidity: 55%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 45°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSSW 204°
  • Humidity: 62%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphS 189°
  • Humidity: 66%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 39°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSSW 192°
  • Humidity: 70%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:27 am
  • 8 am
  • 39°F
  • Feels like:
    39°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphS 182°
  • Humidity: 70%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 54°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphE 86°
  • Humidity: 45%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphNE 53°
  • Humidity: 29%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 75°F
  • Feels like:
    75°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphS 171°
  • Humidity: 20%
  • Pressure: 29.83"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 77°F
  • Feels like:
    77°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphSSW 195°
  • Humidity: 18%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 72°F
  • Feels like:
    72°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphS 188°
  • Humidity: 24%
  • Pressure: 29.83"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:26 pm
  • 8 pm
  • 59°F
  • Feels like:
    59°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphSSW 205°
  • Humidity: 40%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 54°F
  • Feels like:
    54°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphSSW 210°
  • Humidity: 51%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, mainly sunny weather and a cloudless sky are anticipated.
The temperature variation throughout the day will be substantial, as the minimum temperature will be 39.2°F while the maximum temperature will be 77°F. The warmest part of the day will be at 3 pm and 4 pm.
The temperature will feel more resembling September's average high than the expected maximum for October. Tomorrow, the temperature will drop to a level consistent with October's average minimum of 38.1°F.
Updated: Oct 18, 2026 @ 01:40:52 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Etna, bright and sunny weather is expected.

Tomorrow, the maximum temperature will be 78.8°F, while the minimum temperature will be 41°F.
Tomorrow, the highest temperature will be noticeably higher than the average maximum of 62.6°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.

On Sunday, in Etna, sunrise will be at 7:27 am and sunset at 6:26 pm (PDT).

In Etna, the length of the day tomorrow will be 10h and 59min.