Grantham, Pennsylvania Weather
Grantham, Pennsylvania — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for Grantham, Cumberland County.
Full aviation weather for Grantham is published on the Capital City Airport (KCXY) 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. 5 airfields within reach of Grantham 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 Grantham: Harrisburg International Airport (KMDT) 20 km · Donegal Springs Airpark (KN71) 37 km · Muir Army Air Field (Fort Indiantown Gap) Airport (KMUI) 48 km · Lancaster Airport (KLNS) 60 km
Conditions reported at KCXY describe the airfield itself. Weather 14 km away can differ, particularly in terrain or near the coast. For conditions at Grantham specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Grantham.
About Grantham, Pennsylvania
Grantham rests in a landscape shaped by the gentle rise and fall of the land, where rolling hills meet fertile valleys. It lies 10.0 miles south-west of Harrisburg, PA (from Harrisburg, PA: bearing 216°T), and is situated 4.0 miles south of Mechanicsburg. The air here often carries the scent of damp earth and ripening grain, especially in late summer when the sun hangs low and golden. Farmsteads, their silos like stoic sentinels against the wide sky, dot the terrain, interspersed with stands of mature oak and maple that offer a cool, shadowed reprieve. The Susquehanna River, a broad, silver ribbon, flows not far from Grantham, its presence a constant murmur in the background, influencing the very texture of the soil and the growth of the crops that define the local character. The light here, particularly as twilight deepens, can paint the western horizon in hues of rose and violet, a quiet spectacle that stills the day's activity. The history of Grantham is deeply entwined with the agricultural bounty of the region and the steady, persistent spirit of its people. For generations, farming has been the lifeblood, with families cultivating the rich soil, passing down traditions and knowledge. This agricultural heritage is evident in the well-maintained barns and the enduring presence of local markets. Beyond the fields, Grantham has also been a place of quiet industry, its small businesses serving the needs of the surrounding countryside. The nearby waterways have played a role, facilitating transport and commerce in earlier times, and today, their banks offer peaceful places for reflection. The pace of life in Grantham is unhurried, marked by the changing seasons and the enduring connections between neighbors, a place where the past is not forgotten but lives on in the present.
Live animated radar for Grantham 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 | Grantham, Cumberland County, Pennsylvania |
| Coordinates | 40.15648°N, 76.996366°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 17027 |
| 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 Grantham, Pennsylvania Weather Page
This page provides live weather conditions and forecasts for Grantham, 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 Grantham includes coordinates 40.156480°N, 76.996366°W, situated in Cumberland County. ZIP code 17027. 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.
