Weather forecast for todayCastaic, CA
Weather forecast for today
Current condition 7:50 am PDT
- 55°F
- Feels like:55°F
Sunny
- Precipitation: 0"
- Wind: 4mphNNE 20°
- Humidity: 64%
- Dewpoint: 45°F
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
In Castaic, at the moment, sunlight is streaming down, with a gentle warmth in the air.
The temperature is a moderate 55.4°F. The current temperature is near the lowest expected 57.2°F for today.
The temperature is a moderate 55.4°F. The current temperature is near the lowest expected 57.2°F for today.
Tuesday Oct 20, 2026
- 82°F
- 57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphSSE 148°
- Humidity: 41%
- UV index: 6
- Sunrise: 7:04 am PDT
- Sunset: 6:14 pm PDT
- details ▼
Today, expect bright skies and plenty of sunshine.
The temperature will fluctuate from a high of a temperate 82.4°F to a low of a refreshing 57.2°F.
The maximum heat index, which factors the actual air temperature with the relative humidity, is estimated at 82.4°F.
Forecasts show a high closer to September's climate pattern, around 84.7°F, rather than October's 76.6°F.
Sunrise was at 7:04 am and sunset will be at 6:14 pm; the daylight will last for 11h and 10min.
The temperature will fluctuate from a high of a temperate 82.4°F to a low of a refreshing 57.2°F.
The maximum heat index, which factors the actual air temperature with the relative humidity, is estimated at 82.4°F.
Forecasts show a high closer to September's climate pattern, around 84.7°F, rather than October's 76.6°F.
Sunrise was at 7:04 am and sunset will be at 6:14 pm; the daylight will last for 11h and 10min.
Hourly overview
Hourly temperatures
Warmest hour: 2 pm 81°C.
Coldest hour: 8 am 57°C.
Coldest hour: 8 am 57°C.
Chance of precipitation
Highest chance: 10 pm - 12 am 7%.
Hourly weather forecast
- 8 am
- 57°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNNE 28°
- Humidity: 59%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 9 am
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphENE 74°
- Humidity: 52%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 10 am
- 68°F
- Feels like:68°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphESE 121°
- Humidity: 44%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 11 am
- 75°F
- Feels like:75°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSE 145°
- Humidity: 36%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 12 pm
- 79°F
- Feels like:79°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphSSE 157°
- Humidity: 36%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 1 pm
- 79°F
- Feels like:79°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphSSE 161°
- Humidity: 35%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 6
- details ▼
- 2 pm
- 81°F
- Feels like:81°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 13mphSSE 159°
- Humidity: 33%
- Pressure: 29.8"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 3 pm
- 81°F
- Feels like:81°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphSSE 162°
- Humidity: 33%
- Pressure: 29.8"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 79°F
- Feels like:79°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphSSE 166°
- Humidity: 34%
- Pressure: 29.8"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 5 pm
- 77°F
- Feels like:77°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphS 172°
- Humidity: 37%
- Pressure: 29.8"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 pm
- 73°F
- Feels like:73°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 10mphSSW 198°
- Humidity: 49%
- Pressure: 29.8"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:14 pm
- 7 pm
- 70°F
- Feels like:70°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphSSW 202°
- Humidity: 58%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 68°F
- Feels like:68°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSSW 213°
- Humidity: 65%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 9 pm
- 66°F
- Feels like:66°F
Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphWSW 243°
- Humidity: 71%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 64°F
- Feels like:64°F
Clear
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 3mphNW 313°
- Humidity: 74%
- Pressure: 29.88"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 11 pm
- 63°F
- Feels like:63°F
Mostly Clear
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 3mphNNW 334°
- Humidity: 76%
- Pressure: 29.88"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
Today, in Castaic, primarily bright and sunny weather is anticipated.
The temperature will vary between a minimum of 57.2°F and a maximum of 80.6°F. The warmest part of the day will be at 2 pm and 3 pm.
The maximum temperature will align more closely with September's average high of 84.7°F than with October's 76.6°F. The expected low will be resembling the average minimum in October, which is 55.8°F.
The temperature will vary between a minimum of 57.2°F and a maximum of 80.6°F. The warmest part of the day will be at 2 pm and 3 pm.
The maximum temperature will align more closely with September's average high of 84.7°F than with October's 76.6°F. The expected low will be resembling the average minimum in October, which is 55.8°F.
Updated: Oct 20, 2026 @ 14:50:36 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
The current temperature (7:50 am PDT) is 55.4°F.
Today, the outlook remains bright and sunny.
Today, the highest temperature will be 82.4°F, while the lowest temperature will be 57.2°F. The maximum heat index, which modifies the air temperature to account for humidity, is estimated at 82.4°F.
The highest temperature will be moderately higher than the average maximum of 76.6°F in October. The lowest temperature will be in line with the average low of 55.8°F.
The highest temperature will be moderately higher than the average maximum of 76.6°F in October. The lowest temperature will be in line with the average low of 55.8°F.
On Tuesday, in Castaic, sunrise was at 7:04 am and sunset will be at 6:14 pm (PDT).
In Castaic, the length of the day today will be 11h and 10min.
Castaic, California, USA
- en: Castaic, California, USA
- es: Castaic, California, EE.UU.
- hr: Kastejik, Kalifornija, SAD
- mk: Kastejik, Kalifornija, SAD
- sr: Kastejik, Kalifornija, SAD
- zh: 卡斯泰克, 加利福尼亚州, 美国
- Latitude: 34.489036°
- Longitude: -118.625655°
- Elevation: 1266 ft
- Current time: 7:50am PDT
- Sunrise: 7:04 am PDT
- Sunset: 6:14 pm PDT
- Timezone: America/Los_Angeles
Nearby Castaic, California, USA
- Val Verde (4 mi)
- Valencia (4 mi)
- Martins (6 mi)
- Stevenson Ranch (7 mi)
- Santa Clarita (8 mi)
- Newhall (9 mi)
- Canyon Country (10 mi)
- Piru (11 mi)
- Porter Ranch (15 mi)
- Sylmar (16 mi)
- Granada Hills (16 mi)
- Lake Hughes (16 mi)
- Chatsworth (17 mi)
- Brandeis (17 mi)
- Strathearn (17 mi)
- Simi Valley (17 mi)
- Fillmore (18 mi)
- San Fernando (18 mi)
- Northridge (18 mi)
- Bardsdale (19 mi)
- Pacoima (19 mi)
- North Hills (19 mi)
- Canoga Park (19 mi)
- Sespe (19 mi)
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