Cabin John, Maryland — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast for Cabin John, Montgomery County.
Tides, marine forecast and fishing conditions near Cabin John. Tide source:
Full aviation weather for Cabin John is published on the Ronald Reagan Washington National Airport (KDCA) page, 17 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 Cabin John 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 Cabin John: Washington Dulles International Airport (KIAD) 26 km · Davison Army Air Field (KDAA) 29 km · Washington Manassas Harry P. Davis Field (KHEF) 42 km · Maryland Airport (K2W5) 43 km · Quantico Marine Corps Airfield / Turner Field (KNYG) 54 km
Conditions reported at KDCA describe the airfield itself. Weather 17 km away can differ, particularly in terrain or near the coast. For conditions at Cabin John specifically, see the current conditions and forecast above.
Cabin John unfolds as a verdant stretch where the Potomac River's breath, cool and damp, mingles with the more settled air of Montgomery County. It lies 3.0 miles north-north-east of McLean, VA (from McLean, VA: bearing 20°T), and is situated 8.6 miles north-west of Washington. The land here is a study in gentle slopes, a soft descent towards the water, cloaked in a dense, mature forest that whispers with the rustle of unseen creatures and the sigh of wind through ancient oaks. Sunlight, when it breaks through the canopy, falls in shifting, ethereal shafts, illuminating patches of moss-covered rock and the dark, fertile earth that smells of decay and new growth. The character of Cabin John is one of quietude, a place where the sounds of the natural world often hold sway over the distant hum of human endeavor. The history of Cabin John is deeply entwined with the grandeur of the Chesapeake and Ohio Canal, a waterway that once pulsed with the lifeblood of commerce, its towpath now a ribbon of green for walkers and cyclists. This legacy of transport and industry has softened into a more bucolic existence, where the local economy finds its footing in the proximity to larger urban centers and the quiet appeal of its wooded landscape. While no grand universities or famous figures claim exclusive ownership, Cabin John possesses a distinctive character, one of a community that values its natural setting and the slower pace it affords, a place where the evening light often lingers, painting the trees in hues of amber and rose before surrendering to the deep indigo of night.
Live animated radar for Cabin John 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 | Cabin John, Montgomery County, Maryland |
| Coordinates | 38.975388°N, 77.158035°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 20818 |
| Area Code | 301, 240 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
This page provides live weather conditions and forecasts for Cabin John, Maryland, 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 Cabin John includes coordinates 38.975388°N, 77.158035°W, situated in Montgomery County. ZIP code 20818. Telephone area code: 301, 240. Timezone: Eastern Time (America/New_York).
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.