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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, tide predictions, marine conditions and a solunar fishing forecast 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. Tide source:

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

Flight conditions near Walnut. Data source: locating…

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🌿 Air Quality
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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.

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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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 generatedJuly 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service

About This Walnut, California Weather Page

This page provides live weather conditions and forecasts for Walnut, 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 Walnut includes coordinates 34.020289°N, 117.865339°W, situated in Los Angeles County. ZIP code 91789, 91788. Telephone area code: 818, 747. 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.