What is the air quality in Weymouth today?

The current Air Quality Index (AQI) in Weymouth is 27 (Good). PM2.5 concentration is 6.46 µg/m³.

What is the temperature in Weymouth right now?

The current temperature in Weymouth is 13.5°C (feels like 13.5°C). Humidity is 91.1% and wind speed is 25.2 km/h.

Is it safe to go outside in Weymouth?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Weymouth, United States

Drizzle

13.5°C · 91.1% humidity

13.5°

Feels 13.5°

Good

Air quality is satisfactory. Enjoy outdoor activities.

4 stations

Nearby Monitoring Stations

AQI Forecast

25 8pm

27 11pm

27 2am

34 5am

34 8am

27 11am

25 2pm

25 5pm

Air Quality Index Trend

47h · 1 stn

View full history →

Weymouth's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

91.1%

Humidity

25.2 km/h

Wind SW

1000.0 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.46 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Weymouth?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station

PM2.56.46 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (4 stations within 25 km)

6.46

Median

6.44

Average

5.57

Low

7.2

High

PM2.5 µg/m³ · Model: 6.15 · Bias: -0.3

What is the 7-day forecast for Weymouth?

06-09

33.3° 13.5°

0.69 mm

06-10

22.3° 14.7°

2.0 mm

06-11

23.1° 10.6°

06-12

22.1° 14.6°

0.56 mm

06-13

27.9° 16.7°

0.56 mm

06-14

23.5° 10.9°

3.44 mm

06-15

23.4° 14.1°

Both models agree Avg diff: 6.3°C

Where are air quality stations near Weymouth?

Milton Blue Hill Observatory

14.4 km PM2.5: 9.8 µg/m³

Boston Roxbury

16.8 km PM2.5: 8.4 µg/m³

Nubian Square - DEP Station

16.9 km PM2.5: 5.6 µg/m³

Boston

18.2 km PM2.5: 11.3 µg/m³

Boston

18.2 km PM2.5: 6.7 µg/m³

Brockton

18.3 km PM2.5: 6.0 µg/m³

What cities are near Weymouth?

28 Braintree 26 Quincy 30 Rockland 28 Randolph 27 Milton 25 Ashmont 30 Abington 26 Mattapan 25 Dorchester 24 South Boston

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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T03:40 UTC.