Weather forecast for 10 daysHalcyon, CA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 77°F
- 52°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 12mphW 266°
- Humidity: 58%
- UV index: 6
- Sunrise: 7:11 am PDT
- Sunset: 6:23 pm PDT
- details ▼
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.
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.
10-day overview
Daily temperatures
Warmest day: tomorrow 77°C.
Coldest day: Wednesday 66°C.
Coldest day: Wednesday 66°C.
Chance of precipitation
Highest chance: Wednesday 71%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 55°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphE 86°
- Humidity: 58%
- UV index: 0
- Sunrise: 7:10 am PDT
- Sunset: 6:24 pm PDT
- details ▼
- Sunday
- Oct 18, 2026
- 77°F
- 52°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 12mphW 266°
- Humidity: 58%
- UV index: 6
- Sunrise: 7:11 am PDT
- Sunset: 6:23 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 72°F
- 50°F
AM Fog / PM Sun
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 14mphWNW 291°
- Humidity: 68%
- UV index: 5
- Sunrise: 7:12 am PDT
- Sunset: 6:22 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 70°F
- 55°F
Partly Cloudy
- Precip. probability: 9%
- Precipitation: 0.12"
- Wind: 11mphW 266°
- Humidity: 68%
- UV index: 4
- Sunrise: 7:12 am PDT
- Sunset: 6:21 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 66°F
- 55°F
Thunderstorms
- Precip. probability: 71%
- Precipitation: 0.47"
- Wind: 9mphSW 224°
- Humidity: 78%
- UV index: 4
- Sunrise: 7:13 am PDT
- Sunset: 6:20 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 70°F
- 52°F
Scattered Thunderstorms
- Precip. probability: 41%
- Precipitation: 0.08"
- Wind: 14mphW 274°
- Humidity: 75%
- UV index: 4
- Sunrise: 7:14 am PDT
- Sunset: 6:18 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 72°F
- 50°F
Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 16mphNW 326°
- Humidity: 69%
- UV index: 5
- Sunrise: 7:15 am PDT
- Sunset: 6:17 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 73°F
- 52°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 12mphNNW 335°
- Humidity: 63%
- UV index: 5
- Sunrise: 7:16 am PDT
- Sunset: 6:16 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 72°F
- 52°F
Mostly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 13mphWNW 299°
- Humidity: 64%
- UV index: 4
- Sunrise: 7:17 am PDT
- Sunset: 6:15 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 72°F
- 50°F
Partly Cloudy
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 14mphNNW 333°
- Humidity: 59%
- UV index: 5
- Sunrise: 7:18 am PDT
- Sunset: 6:14 pm PDT
- details ▼
Mixed conditions are forecasted for the coming ten days, and a mix of overcast, sun-filled, stormy and hazy weather is anticipated.
Rainfall is predicted for Wednesday and Thursday.
In the coming days, the maximum temperature will range between 66.2°F and 77°F, while the lowest nighttime temperatures will be relatively consistent, as the overnight low will fall between 50°F and 55.4°F.
Sunday will be the warmest day, with a maximum temperature of 77°F; the coldest day will be Wednesday, with a maximum of 66.2°F.
Rainfall is predicted for Wednesday and Thursday.
In the coming days, the maximum temperature will range between 66.2°F and 77°F, while the lowest nighttime temperatures will be relatively consistent, as the overnight low will fall between 50°F and 55.4°F.
Sunday will be the warmest day, with a maximum temperature of 77°F; the coldest day will be Wednesday, with a maximum of 66.2°F.
Updated: Oct 18, 2026 @ 02:39:35 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
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.
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.





