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Derry, Pennsylvania Weather

Derry, Pennsylvania — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery for Derry, Westmoreland County.

🌡️ Current Conditions
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24-Hour Forecast
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Current Conditions Detail
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7-Day Forecast
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✈️ Aviation Weather

Flight conditions near Derry. Data source: locating…

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🌿 Air Quality
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About Derry, Pennsylvania

Derry, Pennsylvania, unfolds across a landscape shaped by the gentle, rolling hills and the patient work of water. It lies 22.7 miles east of North Huntingdon, PA (from North Huntingdon, PA: bearing 89°T), and is situated 4.3 miles east-north-east of Latrobe. The air here often carries the damp, earthy scent of the surrounding woodlands, a subtle perfume that deepens as the sun dips low, casting long, softened shadows across fields that have yielded their bounty for generations. The terrain, a quiet confluence of cleared farmland and forested slopes, speaks of a history where human endeavor has worked in concert with the land’s inherent contours, rather than against them. The skies above Derry, vast and often painted with the soft grays of approaching weather or the clear, crisp blues of autumn, reflect the unhurried cadence of life in this corner of Westmoreland County. The story of Derry is one of resilience and a deep-seated connection to the earth, a legacy intertwined with the coal seams that once pulsed beneath its surface, fueling industries and drawing families to its embrace. Though the deep mines have largely fallen silent, the echoes of that robust past still resonate in the sturdy, unpretentious architecture and the enduring spirit of its people. The local economy, once heavily reliant on the industry that defined the region, has found new avenues, often rooted in agriculture and small businesses that serve the immediate needs of the community. There’s a quiet pride in Derry, a sense of belonging cultivated over time, where the changing seasons dictate the rhythm of daily life, from the planting in spring to the harvest that paints the hillsides in hues of gold and russet.

NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Derry and surroundings — RainViewer.

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🛰️ Satellite Imagery

NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.

NOAA GOES-16 CONUS GEOCOLOR satellite animated loop
🛰️ GEOCOLOR loop 🌡️ Infrared (IR) 🌀 NHC Hurricane Satellite 🔗 NOAA Full Viewer

Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload

🌙 Astronomy
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LocationDerry, Westmoreland County, Pennsylvania
Coordinates40.333959°N, 79.299757°W
TimezoneEastern Time (America/New_York)
ZIP Code(s)17815, 15627
Area Code215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 835, 878
Page generatedJuly 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service

About This Derry, Pennsylvania Weather Page

This page provides live weather conditions and forecasts for Derry, Pennsylvania, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modeled estimate shown when no station is in range), precipitation radar and NOAA GOES-16 satellite imagery. 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 Derry includes coordinates 40.333959°N, 79.299757°W, situated in Westmoreland County. ZIP code 17815, 15627. 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. Aviation data is sourced from aviationweather.gov (NOAA), with a modeled estimate used where no nearby reporting station is available. 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.