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Alto, California Weather

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

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✈️ Aviation Weather

Flight conditions near Alto — 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 Alto 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 Alto, California

Alto unfolds into a landscape of rolling hills, their slopes painted in muted greens and ochres, a testament to the dry California summers and the vibrant life that returns with the coastal fog. It lies 4.8 miles south of San Rafael, CA (from San Rafael, CA: bearing 176°T), and is situated 9.9 miles west-south-west of Richmond. The air here carries a crisp, salty tang, a constant reminder of the proximity to the Pacific, even when the ocean itself is out of sight. Oak trees, gnarled and ancient, dot the hillsides, their branches reaching out like weathered arms, while chaparral, a dense, fragrant scrub, clings to the steeper inclines. Sunlight, when it breaks through the coastal haze, casts long, dramatic shadows, transforming the familiar terrain into something ethereal, a place where the earth feels both solid and alive. This is a place where a quiet resilience is woven into its character, a spirit shaped by its proximity to the sea and its history as a gateway to further exploration. The land around Alto has long supported a modest agricultural presence, its fertile pockets yielding to vineyards and orchards that speak of generations of cultivation. The rhythm of life in Alto is one of unhurried purpose, a blend of the natural world's slow unfolding and the steady hum of a community that values its connection to the land and to each other. The sense of history is not loud or ostentatious, but present in the weathered fences, the enduring trees, and the very contour of the hills, a subtle echo of lives lived and work done.

LocationAlto, Marin County, California
Coordinates37.90437°N, 122.525531°W
TimezonePacific Time (America/Los_Angeles)
ZIP Code(s)94941
Area Code510
Page generatedJune 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service