Waltham, Massachusetts — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, tides and marine conditions for Waltham, Middlesex County.
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Live animated radar for Waltham and surroundings — RainViewer.
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Waltham rests upon the gentle slopes that spill towards the Charles River, a waterway that has long been the lifeblood and the silent observer of this Middlesex County locale. It lies 2.7 miles west of Watertown, MA (from Watertown, MA: bearing 278°T), and is situated 9.1 miles west of Greater Boston. The terrain here is not dramatic, but rather a subtle negotiation of low hills and riverine plains, where the air, especially in the late afternoon, carries the damp, fertile scent of water and earth. Mature oaks and maples, their branches like arthritic fingers against the sky, shade the older neighborhoods, while the newer developments spread outwards, seeking the sun on less forgiving inclines. The character of Waltham is a curious blend of the enduring and the ever-changing, a place where the past often peeks out from behind the contemporary, like an old man watching the traffic from his porch. The history of Waltham is deeply entwined with the very notion of American industrial might, a legacy that began with the mills that harnessed the power of the Charles River. It was here that the Waltham-Lowell system, a revolutionary approach to manufacturing, took root, giving rise to the "Watch City" moniker, a testament to its pioneering spirit in precision engineering. Even as the factories have largely quieted, the echoes of that industrious past inform the local economy, which now thrives on education, with its well-regarded university, and a diverse array of businesses that draw upon the region's skilled workforce. The river itself, though no longer powering looms, remains a vital artery, offering recreation and a visual reminder of the forces that shaped Waltham into the place it is today, a place where the clang of machinery has softened into the hum of modern life.
| Location | Waltham, Middlesex County, Massachusetts |
| Coordinates | 42.376485°N, 71.235611°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 02451, 02452, 02453, 02454 |
| Area Code | 339, 351, 413, 508, 617, 774, 781, 857, 978 |
| Page generated | June 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |