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Walnut, California Weather

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

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✈️ Aviation Weather

Flight conditions near Walnut — 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 Walnut 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 Walnut, California

Walnut rests in a landscape shaped by the gentle sweep of the San Gabriel Valley, where the foothills begin their slow ascent towards distant, sun-bleached mountains. It lies 3.2 miles west of Diamond Bar, CA (from Diamond Bar, CA: bearing 260°T), and is situated 6.9 miles west-south-west of Pomona. Here, the air often carries a dry, clean scent, a mixture of chaparral and the faintest hint of eucalyptus, particularly as the day's heat begins to soften into evening. The terrain is not dramatic, but rather a series of wide, open spaces and rolling plains, marked by the occasional cluster of mature trees that give the area its name, their broad canopies offering a welcome, dappled shade. The quality of light here, especially in the late afternoon, possesses a peculiar clarity, where shadows stretch long and defined across the land, imbuing even the most ordinary structures with a quiet dignity. The history of Walnut is intertwined with the agricultural roots of Southern California, a legacy that still whispers through the wider region, though the focus has shifted. Once a land of citrus groves and ranches, its economy has evolved, now characterized by a blend of residential development and a growing commercial presence, particularly in the realm of education and healthcare. The presence of prestigious educational institutions has drawn a diverse population, fostering a community that values learning and innovation, while also maintaining a connection to its more pastoral past. This duality gives Walnut a distinctive character, a place where the echoes of open fields meet the hum of modern enterprise, creating a subtle but persistent energy.

LocationWalnut, Los Angeles County, California
Coordinates34.020289°N, 117.865339°W
TimezonePacific Time (America/Los_Angeles)
ZIP Code(s)91789, 91788
Area Code818, 747
Page generatedJune 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service