Holtsville, New York Weather
Holtsville, 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 Holtsville, Suffolk County.
Tides, marine forecast and fishing conditions near Holtsville. Tide source:
Full aviation weather for Holtsville is published on the Long Island MacArthur Airport (KISP) page, 5 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 Holtsville 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 Holtsville: Brookhaven Calabro Airport (KHWV) 15 km · Lufker Airport (K49N) 25 km · Republic Airport (KFRG) 33 km · Francis S Gabreski Airport (KFOK) 35 km · Igor I Sikorsky Memorial Airport (KBDR) 39 km
Conditions reported at KISP describe the airfield itself. Weather 5 km away can differ, particularly in terrain or near the coast. For conditions at Holtsville specifically, see the current conditions and forecast above.
About Holtsville, New York
Holtsville rests on a landscape shaped by glacial retreat, its terrain a subtle interplay of modest rises and shallow hollows, a gentle swell in the otherwise relatively flat expanse of central Long Island. It lies 1.8 miles east of Holbrook, NY (from Holbrook, NY: bearing 83°T), and is situated 7.2 miles west-north-west of Brookhaven. Here, the air often carries the faint, sweet scent of pine needles and damp earth, a testament to the verdant woodlands that still embrace pockets of the settlement. Streets, lined with mature oaks and maples that cast dappled shadows in the afternoon sun, wind through neighborhoods where manicured lawns give way to the wilder edges of nature. The sky above Holtsville, particularly at dusk, can unfurl in breathtaking displays of bruised purples and fiery oranges, a fleeting glory that washes over the quiet streets and the distant hum of the suburban sprawl. The history of Holtsville is interwoven with the agricultural past of Suffolk County, a legacy hinted at by the occasional farm stand or the names of roads that echo with a farming heritage. Though the fields have largely yielded to residential development, the spirit of enterprise remains, now channeled into a diverse local economy that supports a vibrant community. Holtsville is recognized for its commitment to public spaces, particularly the sprawling preserve that offers a sanctuary for local flora and fauna, a green lung within the developed landscape. This dedication to preserving natural beauty, alongside the conveniences of modern suburban life, defines the character of Holtsville, a place where the echoes of the past meet the present in a comfortable, unassuming coexistence.
Live animated radar for Holtsville 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 | Holtsville, Suffolk County, New York |
| Coordinates | 40.815376°N, 73.045108°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 11742 |
| Area Code | 516 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Holtsville, New York Weather Page
This page provides live weather conditions and forecasts for Holtsville, 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 Holtsville includes coordinates 40.815376°N, 73.045108°W, situated in Suffolk County. ZIP code 11742. 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.
