Air Quality in Watertown, United States
Windy
13.8°C · 88.6% humidity
13.8°
Feels 13.8°
37
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
AQI Forecast
37
3pm
37
25
25
6pm
25
25
25
9pm
25
25
25
12am
25
25
25
3am
25
25
37
6am
37
25
25
9am
25
25
25
12pm
25
25
88.6%
Humidity
124.6 km/h
Wind SSW
1025.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
What is the weather forecast for Watertown?
Temperature & Precipitation
PM2.58.93 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Watertown?
04-09
13.8° 0.7°
04-10
17.1° 8.8°
04-11
9.8° 7.5°
2.63 mm
04-12
14.3° 3.8°
04-13
13.8° 10.9°
15.69 mm
04-14
18.4° 14.0°
5.12 mm
04-15
13.5° 9.1°
12.75 mm
Both models agree
Avg diff: 4.7°C
What cities are near Watertown?
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T18:38 UTC.