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Castle Hill, California Weather

Castle Hill, California — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, tides and marine conditions for Castle Hill, Contra Costa 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 Castle Hill. Nearest NOAA tide station:

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✈️ Aviation Weather

Flight conditions near Castle Hill — sourced from the FAA Aviation Weather Center. Nearest reporting station: locating…

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🌿 Air Quality
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NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Castle Hill 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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About Castle Hill, California

Castle Hill rises from the undulating landscape, a place where the San Francisco Bay’s influence is felt in the salty tang of the air and the persistent, soft breeze that whispers through the golden grasses. It lies 2.2 miles south of Walnut Creek, CA (from Walnut Creek, CA: bearing 171°T), and is situated 7.3 miles south-south-west of Concord. The terrain here is a study in subtle shifts, from the gentle slopes that lead towards the water to the more rugged contours that suggest a deeper, more ancient geology. Oak trees, gnarled and enduring, dot the hillsides, their branches reaching out like weathered hands, while the muted greens and browns of the vegetation speak of a climate that balances the dry heat of summer with the cool, damp embrace of winter fog. The light, especially in the late afternoon, has a peculiar quality, a luminescence that seems to filter through the very haze that often softens the distant city skyline, lending a dreamlike cast to the ordinary contours of the land. Historically, Castle Hill’s identity has been shaped by its proximity to the great waterway and the fertile soil that surrounds it, a legacy evident in the remnants of agricultural endeavors that once dominated the scene. While the primary economic engine has shifted, the echoes of that past persist, a quiet undercurrent beneath the modern bustle. Today, the area thrives on a more diverse economy, drawing strength from its residential appeal and its connection to the broader innovation hubs of the Bay Area. A particular charm lies in the way the local character seems to blend the practicalities of modern living with a deep, unspoken appreciation for the natural beauty that has always defined Castle Hill.

LocationCastle Hill, Contra Costa County, California
Coordinates37.8747°N, 122.0585°W
TimezonePacific Time (America/Los_Angeles)
ZIP Code(s)94595
Area Code510
Page generatedJune 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service