What is the air quality in Weymouth today?

The current Air Quality Index (AQI) in Weymouth is 21 (Good). PM2.5 concentration is 5.07 µg/m³.

What is the temperature in Weymouth right now?

The current temperature in Weymouth is 33.1°C (feels like 36.8°C). Humidity is 45.8% and wind speed is 62.8 km/h.

Is it safe to go outside in Weymouth?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 14.9 (Extreme).

Air Quality in Weymouth, United States

Windy

33.1°C · 45.8% humidity

33.1°

Feels 36.8°

Good

Air quality is satisfactory. Enjoy outdoor activities.

4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

5 10am

21 1pm

11 4pm

7 7pm

6 10pm

5 1am

5 4am

5 7am

Station readings

CAMS model adj -20

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.

45.8%

Humidity

62.8 km/h

Wind SW

1013.2 hPa

Pressure

14.9

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.07 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Weymouth?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station

PM2.55.07 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX14.9

Extreme

Station readings (4 stations within 25 km)

5.07

Median

5.07

Average

0.8

Low

7.7

High

PM2.5 µg/m³ · Model: 5.9 · Bias: +0.8

What is the 7-day forecast for Weymouth?

09-05

33.1° 13.6°

13.13 mm

09-06

21.5° 18.1°

1.5 mm

09-07

19.9° 16.2°

09-08

20.9° 17.9°

7.75 mm

09-09

26.8° 14.3°

0.81 mm

09-10

22.2° 16.8°

0.62 mm

09-11

29.2° 13.9°

Both models agree Avg diff: 3.9°C

Where are air quality stations near Weymouth?

Boston Roxbury

16.8 km PM2.5: 5.3 µg/m³

East Dedham

18.1 km 68.7°C 75.0% RH PM2.5: 0.7 µg/m³ PM10: 1.2 µg/m³

Boston

18.2 km PM2.5: 5.0 µg/m³

Boston

18.2 km PM2.5: 6.5 µg/m³

Brockton

18.3 km PM2.5: 0.2 µg/m³

Brockton

18.3 km PM2.5: 7.7 µg/m³

What cities are near Weymouth?

20 Braintree 19 Quincy 27 Rockland 22 Randolph 15 Milton 19 Ashmont 30 Abington 15 Mattapan 21 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 2026-09-05T17:15 UTC.