Waltham, Massachusetts Weather
Waltham, Massachusetts — 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 for Waltham, Middlesex County.
Tides, marine forecast and fishing conditions near Waltham. Tide source:
Flight conditions near Waltham. Data source: locating…
About Waltham, Massachusetts
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.
Live animated radar for Waltham 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 | Waltham, Middlesex County, Massachusetts |
| Coordinates | 42.376485°N, 71.235611°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 02452, 02451, 02453, 02454 |
| Area Code | 339, 351, 413, 508, 617, 774, 781, 857, 978 |
| Page generated | July 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Waltham, Massachusetts Weather Page
This page provides live weather conditions and forecasts for Waltham, Massachusetts, 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 Waltham includes coordinates 42.376485°N, 71.235611°W, situated in Middlesex County. ZIP code 02452, 02451, 02453, 02454. Telephone area code: 339, 351, 413, 508, 617, 774, 781, 857, 978. 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.
