Brentwood, New York Weather
Brentwood, 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 Brentwood, Suffolk County.
Tides, marine forecast and fishing conditions near Brentwood. Tide source:
Full aviation weather for Brentwood is published on the Long Island MacArthur Airport (KISP) page, 12 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 Brentwood 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 Brentwood: Republic Airport (KFRG) 15 km · Brookhaven Calabro Airport (KHWV) 32 km · Lufker Airport (K49N) 42 km · Igor I Sikorsky Memorial Airport (KBDR) 44 km · John F. Kennedy International Airport (KJFK) 48 km
Conditions reported at KISP describe the airfield itself. Weather 12 km away can differ, particularly in terrain or near the coast. For conditions at Brentwood specifically, see the current conditions and forecast above.
About Brentwood, New York
Brentwood unfolds across a landscape of gentle slopes, a terrain sculpted by the slow, inexorable work of glaciers and then softened by centuries of growth and human passage. It lies 2.4 miles west-south-west of Central Islip, NY (from Central Islip, NY: bearing 254°T), and is situated 4.0 miles north-north-west of Islip. Here, the air, especially in the humid embrace of summer, carries the faint, sweet scent of pine needles and damp earth, a subtle perfume that clings to the broad avenues and the quieter, winding streets. The sky above, vast and often a pale, washed-out blue, seems to hold a certain stillness, an expansive canvas over the low-slung buildings and the occasional stand of mature oak trees. The terrain, not dramatic but resolutely present, offers a sense of groundedness, a place where the land itself feels like an enduring character, a quiet witness to the ebb and flow of life. The history of Brentwood is inextricably linked to the development of Long Island’s suburban sprawl, a story that began with agricultural roots and evolved through periods of significant residential expansion. Once a landscape of farms and estates, it transformed into a bustling hub of commerce and community, its economy diversifying beyond its early agrarian foundations to encompass retail, services, and a growing professional workforce. The presence of institutions of higher learning nearby has contributed to a dynamic population, infusing the area with a youthful energy and a constant hum of activity. This evolution has shaped Brentwood into a place where the echoes of its past are still discernible, a palimpsest of development where the remnants of older ways intermingle with the conveniences and complexities of modern life.
Live animated radar for Brentwood 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 | Brentwood, Suffolk County, New York |
| Coordinates | 40.781209°N, 73.246227°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 11717 |
| Area Code | 516 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Brentwood, New York Weather Page
This page provides live weather conditions and forecasts for Brentwood, 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 Brentwood includes coordinates 40.781209°N, 73.246227°W, situated in Suffolk County. ZIP code 11717. 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.
