Erwin, NY Weather Forecast
Steuben County, New York
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
32–70°F across the weekThe week runs between 37° and 70°, with Wednesday the warmest day of it. There is no real trend across it: one day looks much like the next. Thursday is the wettest day, peaking near 69%. 5 of the 7 days stay dry.
Forecasts come from the National Weather Service's own computer models, and current conditions from the nearest reporting weather station. Both are served through the weather API. A forecast is guidance, not a warning, and anything the Weather Service has actually issued is on the live map.
The written summaries on this page are generated from the forecast data above, not by a meteorologist. Each sentence is a reading of the same numbers you can see, and no forecaster has reviewed them.
About the Erwin forecast
Erwin sits at 42.1382°N, 77.1409°W in Steuben County, New York. The forecast above is drawn for that point from the National Weather Service's own computer models: a seven-day outlook, and a finer-grained one covering the next eighteen hours where it reaches, and the radar and alert panels show what the Weather Service has out over the area right now.
- County
- Steuben County
- Coordinates
- 42.1382°N, 77.1409°W
- Population
- 7,912 · 2023 estimate
- Land area
- 38.655 sq mi
Place data from the US Census Bureau. Coordinates are the Census internal point for Erwin, and the forecast is for that location, not for every address inside the city limits, and a large city can have real weather differences from one side to the other.
How well can the network see Erwin?
The nearest Doppler radar is KBGM (Binghamton, NY), 59 miles to the E. A WSR-88D's lowest routine scan sits half a degree above horizontal, and the earth curves away beneath it, so by the time that beam reaches Erwin its center is about 4,500 ft above ground. That is far enough out that the beam has climbed above the lowest few thousand feet. Storm structure aloft is visible; a shallow circulation near the ground may not be, and a warning here can arrive before anything looks dramatic on the radar picture.
The closest instrument actually measuring the air is KELM · Elmira-Corning Rgnl on the ASOS/AWOS network, 13 miles away. Near enough to be representative on most days, though a summer thunderstorm can soak one and miss the other entirely.
Beam height is the standard 4/3-earth approximation for the 0.5° scan and assumes normal refraction; it is where the center of the beam is, not its edges, and unusual temperature profiles bend it. Radar siting from the NWS WSR-88D network, station positions from the New York observing network as of this build.
Forecasts near Erwin
- Corning, NY4 mi
- Campbell, NY6 mi
- Big Flats, NY12 mi
- Southport, NY15 mi
- Horseheads, NY16 mi
- Elmira Heights, NY16 mi
- Bath, NY16 mi
- Elmira, NY17 mi
Elsewhere in New York
New YorkBrookhavenIslipOyster BayBuffaloNorth HempsteadAll New York forecasts →

