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Current Weather in Castaic, CA

Updated: Mon Nov 9th 2026 11:30 AM PST
Sunny

79°F 26°C

Feels Like 74°F / 23°C

Castaic, CA weather condition is Sunny and 79°F.

Today's Weather in Castaic,CA

The current weather in Castaic CA as of 11:30 AM PST on Mon Nov 9th 2026, has a sky condition of Sunny with the visibility of 6 mile(s) and the UV index at 4. It is 79 degrees fahrenheit but feels like 74 degrees with a forecasted high of 83 and low of 55. The barometric pressure is 30.04 - measured by inches of mercury - and is falling since its last observation. The humidity is 20 percent that's steady since the last report, with a dew point of 34 degrees fahrenheit which is rising. Wind direction is from the Northeast at 3.1 miles per hour, gusting at 12.1 miles per hour. Sunrise was at 6:22 AM and Sunset is at 4:54 PM. The moon phase is a New Moon moon rising at 7:02 AM with 0% illumination. Thank you for listening to the weather report from LocalConditions.com!

Listen to this weather report - press Read

  • Barometer 30.04 inHg. falling
  • Humidity 20% steady
  • Heat Index 76°F
  • Wind from NE. 3.1 mph
  • Wind Gust 12.1 miles per hour
  • Wind Chill 79°F
  • UV Index 4
  • Dew Point 34°F rising
  • Visibility 6 mi.
  • Sunrise 6:22 AM
  • Sunset 4:54 PM
  • Moonrise 7:02 AM
  • Moonset 5:01 PM
  • Moon Phase New Moon Moon 0%

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Hourly Forecast - Next 8 hours

10 Day Forecast

Sunny

Sunny with a high of 83°F and a low of 55°F. 1% possible chance of rain predicted. Winds will be moderate, blowing around 11mph. The air is quite dry with humidity levels below 30%.

Temperature Humidity Rainfall Snow Wind
Hi 83° | Lo 55° 29% 1% 0% 11 mph

Sunny

Sunny with a high of 82°F and a low of 53°F. 1% possible chance of rain predicted. Winds will be moderate, blowing around 12mph. The air is quite dry with humidity levels below 30%.

Temperature Humidity Rainfall Snow Wind
Hi 82° | Lo 53° 28% 1% 0% 11.6 mph

Sunny

Sunny with a high of 83°F and a low of 57°F. Winds will be moderate, blowing around 12mph. The air is quite dry with humidity levels below 30%.

Temperature Humidity Rainfall Snow Wind
Hi 83° | Lo 57° 23% 0% 0% 11.6 mph

Sunny

Sunny with a high of 79°F and a low of 54°F. 1% possible chance of rain predicted. Winds will be moderate, blowing around 11mph. The air is quite dry with humidity levels below 30%.

Temperature Humidity Rainfall Snow Wind
Hi 79° | Lo 54° 29% 1% 0% 10.5 mph

Partly Cloudy

Partly Cloudy with a high of 75°F and a low of 53°F. 5% possible chance of rain predicted with an estimated 0in. Winds will be light at 9mph at times. Humidity levels are comfortable, sitting around 43%.

Temperature Humidity Rainfall Snow Wind
Hi 75° | Lo 53° 43% 5% | est. 0in 0% 8.5 mph
Yesterday5-Day10-Day

Weather Radar Map

Live Castaic, CA weather with granular precipitation, radar, barometric pressure, temperatures and wind speeds for today thru Friday, as you toggle through each map layer. Use the slider to move forward and back in time to view how current data and forecasts will affect the region; you can press or click on the map to show metrics available for each tab. The related timestamp is located above the Play button which will animate the weather forecast.

Hourly Temperature

 

The current temperature today is 79°F. The morning temperature of 55°F is lowest at 4am with the daytime high of 83°F at 1pm and a low around 58°F at 10pm is expected.

Hourly Barometric Pressure

 

The highest pressure today is 30.08inHg at 9pm and lowest being 29.98inHg at 2pm.

Hourly Wind Speeds

 

The fastest wind is reported to be 11mph at 5am, while the slowest is 0.4mph around 12pm; expect wind gusts peaking 21.5mph at 3am.

More Weather Charts

Current National Weather

 

Texas Faces Heavy Rainfall and Flash Floods; Rainy Days for the Pacific Northwest - 11-09 to 11-11
Updated Mon Nov 9th 2026, 8:28am PST

Southern Texas is in for another round of scattered to widespread thunderstorms today. The Gulf's moist air will interact with a low-pressure system, resulting in several inches of rain. This heavy rainfall could lead to flash flooding in some areas, especially in Corpus Christi, TX. The stormy weather is expected to ease by this evening.

Pacific Northwest: Rain and Mountain Snow

Residents in the Pacific Northwest, including Seattle, WA and Portland, OR, will experience periods of rain due to a series of Pacific storms. These systems will bring moderate rain and snow to the higher elevations today and tomorrow. The heaviest rain is expected late Monday into Monday night.

Lower Great Lakes and Interior Northeast: Quick Showers

Buffalo, NY and Cleveland, OH may see scattered showers today, with another batch expected Tuesday night into Wednesday. These showers are from fast-moving low-pressure systems passing through the area.

Southeast: One More Chilly Night Before Warming Up

After a chilly night across the Tennessee Valleys and Southeast, including cities like Nashville, TN and Atlanta, GA, temperatures will rise. Frost advisories will be lifted as warmer air moves in, pushing highs into the 60s and 70s soon.

General U.S. Weather: Mild and Warming Trend

Most of the U.S. will enjoy mild to warm temperatures as the week kicks off. In the Southwest, including Los Angeles, CA and Phoenix, AZ, temperatures will reach the 80s. Meanwhile, the Four Corners region will experience cooler weather due to lingering clouds and rain, but a warming trend is on the horizon.

This weather report is relevant for ZIP codes 91310 and 91384, accurately covering areas of Castaic, CA.

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