Weather forecast for tomorrowHalcyon, CA

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 77°F
  • 52°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 12mphW 266°
  • Humidity: 58%
  • UV index: 6
  • Sunrise: 7:11 am PDT
  • Sunset: 6:23 pm PDT
  • ▼
Tomorrow, the outlook remains bright and sunny.
Temperature is forecasted to swing from a high of a warm 77°F to a low of a fresh 51.8°F.
Tomorrow's highest temperature is predicted to match the regular high for October at 74.3°F.
Sunrise will be at 7:11 am and sunset at 6:23 pm; tomorrow's daylight will last for 11h and 13min.

Hourly overview

Hourly temperatures

Warmest hour: 12 pm 77°C.
Coldest hour: 6 am 57°C.

Chance of precipitation

Highest chance: 9 pm 8%.

Hourly weather forecast

  • 12 am
  • 63°F
  • Feels like:
    63°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphE 79°
  • Humidity: 61%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 61°F
  • Feels like:
    61°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphE 100°
  • Humidity: 65%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 59°F
  • Feels like:
    59°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphE 95°
  • Humidity: 68%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 57°F
  • Feels like:
    57°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphESE 109°
  • Humidity: 69%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:11 am
  • 8 am
  • 59°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphESE 109°
  • Humidity: 66%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 70°F
  • Feels like:
    70°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphWSW 248°
  • Humidity: 49%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 77°F
  • Feels like:
    77°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphW 270°
  • Humidity: 46%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 2 pm
  • 75°F
  • Feels like:
    75°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 11mphW 272°
  • Humidity: 57%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 4 pm
  • 72°F
  • Feels like:
    72°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 12mphW 281°
  • Humidity: 63%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 6 pm
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 9mphWNW 291°
  • Humidity: 72%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:23 pm
  • 8 pm
  • 61°F
  • Feels like:
    61°F
Mostly Clear
Mostly Clear
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 5mphWNW 302°
  • Humidity: 89%
  • Pressure: 29.94"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 10 pm
  • 59°F
  • Feels like:
    59°F
Mostly Clear
Mostly Clear
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 3mphW 267°
  • Humidity: 96%
  • Pressure: 29.97"Hg
  • Visibility: 4mi
  • UV index: 0
  • ▼
Tomorrow, primarily clear and occasionally dull weather is forecasted.
The temperature will vary between a minimum of 57.2°F and a maximum of 77°F. The warmest part of the day is expected around noon.
The maximum temperature tomorrow will be consistent with October's average high. The lowest temperature is expected to be also relatively lower than the average minimum in October, typically 56.7°F.
Updated: Oct 18, 2026 @ 02:39:35 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

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

Tomorrow, the maximum temperature in Halcyon, California, will be 77°F, while the minimum temperature will be 51.8°F.
Tomorrow, the highest temperature will be in line with the average maximum temperature in October. Tomorrow, the lowest temperature will be a couple of degrees lower than the average low temperature.

On Sunday, in Halcyon, sunrise will be at 7:11 am and sunset at 6:23 pm (PDT).

In Halcyon, tomorrow, there will be 11h and 13min of daylight.