St. James, New York Weather
St. James, New York — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast for St. James, Suffolk County.
Tides, marine forecast and fishing conditions near St. James. Tide source:
Full aviation weather for St. James is published on the Long Island MacArthur Airport (KISP) page, 10 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 St. James 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 St. James: Brookhaven Calabro Airport (KHWV) 25 km · Republic Airport (KFRG) 27 km · Igor I Sikorsky Memorial Airport (KBDR) 32 km · Lufker Airport (K49N) 35 km · Francis S Gabreski Airport (KFOK) 44 km
Conditions reported at KISP describe the airfield itself. Weather 10 km away can differ, particularly in terrain or near the coast. For conditions at St. James specifically, see the current conditions and forecast above.
About St. James, New York
St. James, a quiet enclave on Long Island, unfolds with a gentle, suburban grace, its landscape shaped by the soft curves of rolling terrain and the dappled sunlight that filters through mature trees. It lies 2.8 miles north-east of Smithtown, NY (from Smithtown, NY: bearing 55°T), and is situated 8.2 miles north-east of Brentwood. The air here carries a subtle, salty tang from the nearby Sound, a whisper of the vast water that defines the region's edge, even from inland. Broad, well-kept lawns give way to the occasional glimpse of stately homes, their architectural styles hinting at generations of residents who have found solace and a sense of belonging in this particular corner of Suffolk County. The streets themselves seem to breathe with a quiet contentment, lined with a comforting regularity that speaks of a community built on enduring foundations, where the hum of daily life is a low, consistent murmur. The history of St. James is a narrative woven with threads of early American settlement and a later blossoming into a desirable residential haven. Originally part of the vast Huntington landholdings, its development accelerated with the advent of the railroad, transforming it from agricultural land into a place where New Yorkers could escape the city's clamor. The local economy, while no longer dominated by the farms that once covered its rolling hills, now thrives on a blend of retail, professional services, and the steady patronage of its residents, many of whom commute to larger employment centers. A particular charm of St. James lies in its enduring commitment to preserving its green spaces, with parks and nature preserves offering quiet respites, a testament to a community that values both its heritage and the simple beauty of its natural surroundings.
Live animated radar for St. James 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 | St. James, Suffolk County, New York |
| Coordinates | 40.878987°N, 73.156778°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 11780 |
| Area Code | 516 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This St. James, New York Weather Page
This page provides live weather conditions and forecasts for St. James, New York, 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 St. James includes coordinates 40.878987°N, 73.156778°W, situated in Suffolk County. ZIP code 11780. Telephone area code: 516. 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.
