Altadena, California Weather
Altadena, California — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast for Altadena, Los Angeles County.
Tides, marine forecast and fishing conditions near Altadena. Tide source:
Full aviation weather for Altadena is published on the San Gabriel Valley Airport (KEMT) page, 14 km away. It carries the current METAR decoded into plain language — surface wind, visibility, cloud layers and ceiling, temperature and dewpoint, and altimeter setting — alongside the raw observation as transmitted. 6 airfields within reach of Altadena have their own pages, listed below.
The Terminal Aerodrome Forecast (TAF) is shown across its full validity period, with each change group broken out so you can see when conditions are expected to shift. Flight category is derived automatically — VFR, MVFR, IFR or LIFR — from reported ceiling and visibility, with runway details and field elevation alongside. Observations update roughly hourly and forecasts several times a day.
Other airports near Altadena: Hollywood Burbank/Bob Hope Airport (KBUR) 21 km · Whiteman Airport (KWHP) 27 km · Van Nuys Airport (KVNY) 33 km · Santa Monica Municipal Airport (KSMO) 35 km · Palmdale Regional Airport / USAF Plant 42 Airport (KPMD) 49 km
Conditions reported at KEMT describe the airfield itself. Weather 14 km away can differ, particularly in terrain or near the coast. For conditions at Altadena specifically, see the current conditions and forecast above.
About Altadena, California
Altadena unfolds like a verdant scroll at the foot of the San Gabriel Mountains, a place where the chaparral-kissed slopes begin their dramatic ascent. It lies 3.0 miles north-north-east of Pasadena, CA (from Pasadena, CA: bearing 15°T), and is situated 7.8 miles east-north-east of Glendale. Here, the air, particularly in the late afternoon, carries a peculiar stillness, a hushed anticipation before the sun dips below the western ridges, painting the sky in hues of lavender and rose. The landscape is a study in contrasts: the manicured lawns of sprawling estates give way to wilder, untamed canyons, where the scent of sagebrush mingles with the faint, sweet perfume of eucalyptus trees. Oak trees, ancient and gnarled, stand as silent sentinels, their branches reaching skyward as if in perpetual supplication to the vast blue expanse. The terrain itself is a gentle incline, a gradual rise from the flatter, more developed areas toward the rugged grandeur of the mountains, a constant reminder of the powerful forces that shaped this land. The story of Altadena is deeply entwined with the vision of its founders, who sought to create an idyllic haven, and the echoes of that ambition still resonate in its character. Once a significant agricultural hub, particularly for its citrus groves, the land now bears the imprint of that productive past in its mature trees and the enduring appeal of its fertile soil, though the economy has diversified, embracing a more suburban rhythm. The iconic Christmas Tree Lane, a mile-long avenue lined with majestic deodar cedars that are festively illuminated each holiday season, serves as a beacon of local tradition and community spirit, drawing visitors from far and wide. The proximity to the Angeles National Forest offers unparalleled access to nature, its canyons and trails a constant invitation for exploration, a wild heart beating close to the urban sprawl. This unique blend of accessible wilderness and established residential beauty defines Altadena, a place where the mountains loom large, shaping both the physical terrain and the very soul of the community.
Live animated radar for Altadena and surroundings — RainViewer.
NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.
Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload
| Location | Altadena, Los Angeles County, California |
| Coordinates | 34.189728°N, 118.131182°W |
| Timezone | Pacific Time (America/Los_Angeles) |
| ZIP Code(s) | 91001, 91003, 91104 |
| Area Code | 310, 424 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Altadena, California Weather Page
This page provides live weather conditions and forecasts for Altadena, California, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, precipitation radar and NOAA GOES-16 satellite imagery. Aviation weather — live METAR observations and TAF forecasts — is published separately on the pages for the nearest reporting airports, linked from the aviation section above. 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 Altadena includes coordinates 34.189728°N, 118.131182°W, situated in Los Angeles County. ZIP code 91001, 91003, 91104. Telephone area code: 310, 424. Timezone: Pacific Time (America/Los_Angeles).
Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. 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.
