Williamstown, Pennsylvania Weather
Williamstown, Pennsylvania — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for Williamstown, Lehigh County.
Full aviation weather for Williamstown is published on the Jake Arner Memorial Airport (K22N) page, 14 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 Williamstown 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 Williamstown: Lehigh Valley International Airport (KABE) 18 km · Allentown Queen City Municipal Airport (KXLL) 23 km · Quakertown Airport (KUKT) 40 km · Hazleton Municipal Airport (KHZL) 41 km · Pennridge Airport (KCKZ) 48 km
Conditions reported at K22N describe the airfield itself. Weather 14 km away can differ, particularly in terrain or near the coast. For conditions at Williamstown specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Williamstown.
About Williamstown, Pennsylvania
Williamstown rests in a valley carved by ancient glaciers, where the land gently slopes toward the Lehigh River. It lies 11.7 miles north-west of Allentown, PA (from Allentown, PA: bearing 323°T), and is situated 7.8 miles west-north-west of Northampton. The air here, particularly as evening softens the sharp edges of the day, carries a faint, earthy perfume of damp soil and distant pine, a scent that clings to the weathered clapboard houses and the sturdy oaks lining the quiet streets. Fields of corn and soybeans, their green hues deepening under the late afternoon sun, stretch out like rumpled blankets, punctuated by the occasional stately barn that stands as a sentinel against the vast, pale blue sky. The terrain itself, a mosaic of rolling hills and shallow ravines, speaks of a land shaped by water and time, a quiet resilience in its contours. The roots of Williamstown run deep into the rich agricultural soil, a legacy of the early settlers who cleared these lands for farming. For generations, the rhythm of life here has been dictated by the seasons and the yield of the earth, a tradition that still echoes in the occasional roadside stand selling plump tomatoes or crisp apples. While industry has ebbed and flowed, the enduring spirit of Williamstown has always found expression in its close-knit community, a place where neighbors still know each other's names and a shared history binds them. The faint hum of machinery from the few remaining workshops and the distant rumble of a freight train are subtle reminders of the economic currents that have shaped, and continue to shape, this particular corner of Pennsylvania.
Live animated radar for Williamstown 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 | Williamstown, Lehigh County, Pennsylvania |
| Coordinates | 40.744262°N, 75.624909°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 18080, 15322, 17098 |
| Area Code | 215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 835, 878 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Williamstown, Pennsylvania Weather Page
This page provides live weather conditions and forecasts for Williamstown, Pennsylvania, 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 Williamstown includes coordinates 40.744262°N, 75.624909°W, situated in Lehigh County. ZIP code 18080, 15322, 17098. Telephone area code: 215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 835, 878. 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.
