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Watertown Town

Massachusettscity

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Air quality index

41Good
Weather49°F · Partly Cloudy
Coordinates42.37°, -71.18°

Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.

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City facts

Overview

Watertown Town is a city that lies in Massachusetts, United States. Its coordinates of 42.369°, -71.178° place it in the temperate zone of the northern hemisphere. Detailed population figures are not currently catalogued in the open data sources we track. Based on its temperate position, residents likely encounter four distinct seasons with warm summers and cold winters. It covers about 10.3 km² of land area. Open solar datasets indicate about 1,392 kWh/m² of solar irradiance per year, combined with sunshine for roughly 54% of daylight hours. Further detail — demographics, climate, nearby amenities and natural-hazard data — is compiled below from public open-data sources.

Summary composed automatically from structured open data on this page. See our Terms for details.

History & geography

Demographics & economy

Geography

Latitude
42.3695
Longitude
-71.1779
Water area
0.13 mi²
View on OpenStreetMap

Coordinates & boundaries from the US Census TIGER/Line shapefiles.

Climate

Current forecast

Tonight
49°F
Partly Cloudy
Saturday
64°F
Sunny
Saturday Night
46°F
Partly Cloudy
Sunday
65°F
Rain Showers Likely
Sunday Night
56°F
Rain Showers
Monday
65°F
Chance Rain Showers then Partly Sunny

Forecast for Watertown, MA from NOAA NWS API.

Air quality

US AQI — Good
41
PM2.5 (µg/m³)
5
PM10 (µg/m³)
5.2
Ozone (µg/m³)
73
NO₂ (µg/m³)
8.7

Current readings from Open-Meteo Air Quality API (Copernicus CAMS European reanalysis).

Industrial & pollution facilities

Natural hazard risk

Health (adults)

High blood pressure
24.4%
Diabetes
6.9%
Adult obesity
23.3%
Binge drinking
18.3%
Adult smoking
8.2%
No leisure activity
15.8%

Age-adjusted prevalence estimates from CDC PLACES (latest release).

Walkability

Amenities nearby

Wildlife & biodiversity

Observations (last 5 yrs, 10 mi)
4,566,870
Distinct species (top 10)
10

Most-observed species

  • American Robin
    Turdus migratorius Linnaeus, 1766 · Aves
    174,711
  • Blue Jay
    Cyanocitta cristata (Linnaeus, 1758) · Aves
    163,124
  • Northern Cardinal
    Cardinalis cardinalis (Linnaeus, 1758) · Aves
    144,834
  • Black-capped Chickadee
    Poecile atricapillus (Linnaeus, 1766) · Aves
    136,763
  • Mourning Dove
    Zenaida macroura (Linnaeus, 1758) · Aves
    132,760
  • House Sparrow
    Passer domesticus (Linnaeus, 1758) · Aves
    130,632
  • Song Sparrow
    Melospiza melodia (A.Wilson, 1810) · Aves
    128,953
  • Downy Woodpecker
    Dryobates pubescens (Linnaeus, 1766) · Aves
    114,732

Citizen-science & research observations from the Global Biodiversity Information Facility (GBIF).

Schools

Total
172
Elementary
110
Middle
29
High
22
Other
11

Largest nearby schools

  • Lexington High
    High · Lexington · 2,303 students · 12.3:1 ratio
  • Everett High
    High · Everett · 2,231 students · 13.4:1 ratio
  • Newton North High
    High · Newtonville · 2,099 students · 10.9:1 ratio
  • Cambridge Rindge and Latin
    High · Cambridge · 1,867 students · 8.7:1 ratio
  • Malden High
    High · Malden · 1,856 students · 16:1 ratio
  • Newton South High
    High · Newton Centre · 1,837 students · 11.8:1 ratio
  • Waltham Sr High
    High · Waltham · 1,751 students · 10.9:1 ratio
  • Mystic Valley Regional Charter School
    Other · Malden · 1,608 students · 16.8:1 ratio

Public K–12 schools within ~10 mi from Urban Institute Education Data Portal (NCES Common Core of Data, 2022).

Earthquake history

Quakes ≥ 2.5 (25 yrs, 62 mi)
11
Largest magnitude
3.8
Largest event
2025-01-27

Most recent

Events from the USGS Earthquake Catalog (global) (FDSN Event Web Service).

Photos

Sights & places nearby

Notable people from here

Nearby places in Massachusetts

Browse all places in Massachusetts →

Geography & sun

Avg solar (kWh/m²/day)
3.81
Annual solar (kWh/m²)
1,392

Elevation, sunrise/sunset and daylight from Open-Meteo. Solar climatology from NASA POWER.

Nearby airports

Public attention

Books about Watertown Town

Flood insurance study
United States. Federal Insurance Administration. · 1977
Watertown echoes
Sigrid Reddy Watson · 2007
Genealogies of the families and descendants of the early settlers of Watertown, Massachusetts, including Waltham and Weston
Genealogies of the families and descendants of the early settlers of Watertown, Massachusetts, including Waltham and Weston
Henry Bond · 1860
Building law of the town of Watertown, Massachusetts
Watertown (Mass.). · 1940
Historical Sketch of Watertown, in Massachusetts
Convers Francis · 2015
An act, to incorporate the Trustees of the Ministerial Fund in the Town of Watertown
Massachusetts · 1812
An Historical Sketch Of Watertown, In Massachusetts
An Historical Sketch Of Watertown, In Massachusetts
Convers Francis · 2018
Building laws of the town of Watertown
Watertown (Mass.). · 1911

Search results from Open Library.

Recent natural events nearby

Ground air-quality sensors

Recently spotted species

winterberry holly
winterberry holly
Ilex verticillata
Seen 2026-09-17
Feral Pigeon
Feral Pigeon
Columba livia domestica
Seen 2026-09-17
Spotted Lanternfly
Spotted Lanternfly
Lycorma delicatula
Seen 2026-09-17
Tufted Titmouse
Tufted Titmouse
Baeolophus bicolor
Seen 2026-09-17
Eastern Gray Squirrel
Eastern Gray Squirrel
Sciurus carolinensis
Seen 2026-09-17
Common Eastern Bumble Bee
Common Eastern Bumble Bee
Bombus impatiens
Seen 2026-09-17
Locust Borer
Locust Borer
Megacyllene robiniae
Seen 2026-09-17
Western Honey Bee
Western Honey Bee
Apis mellifera
Seen 2026-09-17
Gray Catbird
Gray Catbird
Dumetella carolinensis
Seen 2026-09-17

Research-grade observations from iNaturalist (within ~15 mi).

Nearest stream gauge

Site
BEAVER BROOK, LINDEN STREET, AT WALTHAM, MA
Distance
2.4 mi
Streamflow
1 cfs
Gage height
1.85 ft

Live readings from USGS NWIS · measured 2026-09-17 23:00 UTC.

Events

Gallery

Sources

  • • NOAA National Weather Service
  • • Open-Meteo Air Quality (CAMS)
  • • USGS Earthquake Catalog (global feed)
  • • USGS NWIS (water data)
  • • NCES via Urban Institute Education Data Portal
  • • GBIF (Global Biodiversity Information Facility)
  • • iNaturalist
  • • CDC PLACES
  • • Open-Meteo / sunrise-sunset.org
  • • Open Library