Glen Arm, Maryland Weather
Glen Arm, Maryland — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast, soil and crop conditions for Glen Arm, Baltimore County.
Tides, marine forecast and fishing conditions near Glen Arm. Tide source:
Flight conditions near Glen Arm. Data source: locating…
Soil conditions, frost risk and crop weather for Glen Arm.
About Glen Arm, Maryland
Glen Arm unfolds as a verdant expanse where the rolling hills of Baltimore County gently yield to the winding paths of its waterways. It lies 3.3 miles north-north-west of Perry Hall, MD (from Perry Hall, MD: bearing 330°T), and is situated 6.8 miles east-north-east of Towson. The air here, especially in the late afternoon, carries a sweet, damp scent of earth and pine, a subtle perfume that clings to the broadleaf trees and the occasional stately oak. The landscape is a mosaic of well-tended fields, their cultivated lines a deliberate counterpoint to the wilder, wooded hollows that hug the streams, and the scattered homes that seem to have grown organically from the terrain, their rooftops peeking through the mature foliage like weathered stones. It is a place of quiet horizons, where the sky often feels vast and expansive, even when framed by the dense canopy of a summer forest. The history of Glen Arm is written in its land, a testament to generations who worked this fertile ground. Once, agriculture was the dominant pulse, with farms yielding their bounty to markets near and far, and the echoes of that labor still resonate in the enduring stone barns and the patterns of fields that have been shaped over centuries. Today, while agriculture retains its presence, Glen Arm has also become a haven for those seeking a more pastoral existence, a place where the pace of life allows for a deeper connection to the natural world. The nearby Gunpowder River, a ribbon of cool, clear water, offers its own distinct character, a quiet force that has shaped the topography and provided a source of both sustenance and recreation, its banks a familiar scene for local anglers and kayakers.
Live animated radar for Glen Arm 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 | Glen Arm, Baltimore County, Maryland |
| Coordinates | 39.45344°N, 76.494409°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 21057 |
| Area Code | 240, 301 |
| Page generated | July 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Glen Arm, Maryland Weather Page
This page provides live weather conditions and forecasts for Glen Arm, Maryland, 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 Glen Arm includes coordinates 39.453440°N, 76.494409°W, situated in Baltimore County. ZIP code 21057. Telephone area code: 240, 301. 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.
