Arnold, Pennsylvania Weather
Arnold, Pennsylvania — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery for Arnold, Westmoreland County.
Full aviation weather for Arnold is published on the Pittsburgh/Butler Regional Airport (KBTP) page, 27 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 Arnold 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 Arnold: Inter County Airport (K31D) 28 km · Allegheny County Airport (KAGC) 29 km · Pittsburgh International Airport (KPIT) 41 km · Zelienople Municipal Airport (KPJC) 41 km · Rostraver Airport (KFWQ) 42 km
Conditions reported at KBTP describe the airfield itself. Weather 27 km away can differ, particularly in terrain or near the coast. For conditions at Arnold specifically, see the current conditions and forecast above.
About Arnold, Pennsylvania
Arnold rests in a landscape sculpted by the slow, persistent work of water and time, where the Allegheny River carves a broad path through rolling hills. It lies 5.6 miles north of Plum, PA (from Plum, PA: bearing 351°T), and is situated 6.6 miles north-east of Penn Hills. The terrain rises and falls with a gentle, persistent grace, each slope a study in greens and browns depending on the season. Dense woodlands, thick with the scent of damp earth and pine, give way to open fields that catch the sun in broad, golden swathes. Even in the heart of Arnold, the presence of the surrounding nature is palpable; the air carries the clean, cool breath of the river, and the distant call of birds can often be heard above the quiet hum of daily life. The sky here feels expansive, a vast canvas that shifts from the pale, clear blue of morning to the bruised purples and oranges of a summer twilight. The history of Arnold is deeply intertwined with the industrial might of the region, a legacy evident in the sturdy, brick buildings that still line some of its older streets. Coal mining and steel production once fueled the furnaces and the livelihoods of generations, leaving behind a quiet resilience in the character of its people. Though the heavy industry has largely receded, the echo of that past remains, a reminder of the hard work and determination that built this place. Today, Arnold's economy is more varied, with local businesses and services supporting the community, and the proximity to larger centers offering further opportunities. The river itself continues to be a vital artery, both for transportation and recreation, a constant presence that shapes the rhythm of life in Arnold.
Live animated radar for Arnold 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 | Arnold, Westmoreland County, Pennsylvania |
| Coordinates | 40.580067°N, 79.766715°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 15068 |
| 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 Arnold, Pennsylvania Weather Page
This page provides live weather conditions and forecasts for Arnold, 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 Arnold includes coordinates 40.580067°N, 79.766715°W, situated in Westmoreland County. ZIP code 15068. 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.
