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Castaic, California Weather

Castaic, California — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast for Castaic, Los Angeles County.

🌡️ Current Conditions
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24-Hour Forecast
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Current Conditions Detail
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7-Day Forecast
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🌊 Marine & Fishing

Tides, marine forecast and fishing conditions near Castaic. Tide source:

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🎣 Best times to fish today (solunar)
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✈️ Aviation Weather

Flight conditions near Castaic. Data source: locating…

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🌿 Air Quality
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About Castaic, California

Castaic unfolds across a rolling terrain, where the sun-bleached hills of the Santa Susana Mountains meet the broader expanse of the Antelope Valley. It lies 3.2 miles north-north-west of Valencia, CA (from Valencia, CA: bearing 346°T), and is situated 8.1 miles north-west of Santa Clarita. Here, chaparral, resilient and fragrant with wild sage and brittlebush, blankets the slopes, giving way to flatter plains dotted with live oaks and the occasional cluster of eucalyptus. The air itself carries a dryness, a whisper of the desert not far removed, yet softened by the proximity of water that defines its character. Evenings here often paint the sky in hues of apricot and rose, a quiet spectacle as the light recedes, casting long shadows that deepen the contours of the land. This region, long traversed by the indigenous Tataviam people, found its modern identity tied to the burgeoning agricultural ambitions of Southern California. The Castaic Dam and the reservoir it created became a linchpin, not only for flood control but as a vital source of water for a growing Los Angeles, shaping the local economy around its presence. The reservoir, a shimmering expanse of blue, now draws recreationalists for boating and fishing, a stark contrast to its origins as a necessary engineering feat. While some remnants of its agricultural past persist in scattered ranches, the character of Castaic has evolved, becoming a place where the practicalities of water management and the allure of outdoor recreation intermingle, offering a distinct rhythm of life for its residents.

NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Castaic and surroundings — RainViewer.

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🛰️ Satellite Imagery

NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.

NOAA GOES-16 CONUS GEOCOLOR satellite animated loop
🛰️ GEOCOLOR loop 🌡️ Infrared (IR) 🌀 NHC Hurricane Satellite 🔗 NOAA Full Viewer

Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload

🌙 Astronomy
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LocationCastaic, Los Angeles County, California
Coordinates34.488882°N, 118.622866°W
TimezonePacific Time (America/Los_Angeles)
ZIP Code(s)91384, 91310
Area Code626
Page generatedJuly 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service

About This Castaic, California Weather Page

This page provides live weather conditions and forecasts for Castaic, California, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modeled estimate shown when no station is in range), precipitation radar and NOAA GOES-16 satellite imagery. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.

Location data for Castaic includes coordinates 34.488882°N, 118.622866°W, situated in Los Angeles County. ZIP code 91384, 91310. Telephone area code: 626. Timezone: Pacific Time (America/Los_Angeles).

Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. Aviation data is sourced from aviationweather.gov (NOAA), with a modeled estimate used where no nearby reporting station is available. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.