Marathon, New York Weather
Marathon, 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, soil and crop conditions for Marathon, Cortland County.
Tides, marine forecast and fishing conditions near Marathon. Tide source:
Full aviation weather for Marathon is published on the Cortland County Chase Field (KN03) page, 22 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 Marathon 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 Marathon: Greater Binghamton/Edwin A Link field (KBGM) 26 km · Ithaca Tompkins Regional Airport (KITH) 35 km · Tri Cities Airport (KCZG) 41 km · Lt Warren Eaton Airport (KOIC) 44 km · Owasco Airport (K2N4) 50 km
Conditions reported at KN03 describe the airfield itself. Weather 22 km away can differ, particularly in terrain or near the coast. For conditions at Marathon specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Marathon.
About Marathon, New York
Marathon rests in a valley where the gentle slopes of Cortland County begin to deepen, cradling a landscape of rolling farmland and mature woodlands. It lies 23.7 miles east of Ithaca, NY (from Ithaca, NY: bearing 90°T), and is situated 6.4 miles north-north-west of Lisle. The Tioughnioga River, a ribbon of cool, clear water, meanders through the heart of Marathon, its banks often softened by willows and alder. Here, the air carries the clean scent of pine and damp earth, a fragrance that deepens with the coming of dusk, when the sky above Marathon can turn a magnificent, bruised purple. The terrain itself, a patchwork of cultivated fields and shadowed groves, suggests a quiet resilience, a place that has long understood the turning of seasons and the steady work of the land. The history of Marathon is a story of small-scale ambition and enduring connection to the soil. Originally settled in the early 19th century, its economy was once sustained by agriculture, particularly dairy farming, and the mills that harnessed the power of the Tioughnioga. Though the industrial hum has long since faded, echoes of that past can still be found in the sturdy, unassuming architecture of its older buildings. Today, Marathon retains a character shaped by its agricultural roots, a place where the pace of life feels attuned to the cycles of planting and harvest, and where the local community finds its identity in the shared experience of this particular stretch of upstate New York.
Live animated radar for Marathon 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 | Marathon, Cortland County, New York |
| Coordinates | 42.441739°N, 76.032147°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 13803 |
| Area Code | 315 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Marathon, New York Weather Page
This page provides live weather conditions and forecasts for Marathon, 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 Marathon includes coordinates 42.441739°N, 76.032147°W, situated in Cortland County. ZIP code 13803. Telephone area code: 315. 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.
