Today's Weather Forecast - Boston
Today's weather in Boston. high 26°C (79°F), low 16°C (61°F). Sunny.
Today’s Hourly Weather Outlook
- Wind speed
- 15 km/h
- Rain probability
- 0%
- Wind speed
- 18 km/h
- Rain probability
- 0%
- Wind speed
- 15 km/h
- Rain probability
- 0%
- Wind speed
- 12 km/h
- Rain probability
- 0%
24-Hour Rain & Temperature Forecast
Sunrise & Sunset
Air Quality Index & Health Advice
Air Quality Index
- Air quality level
- Good
- Dominant pollutant
- Dominant: O3
- Monitoring station
- Boston
- PM2.5
- 18μg/m³
- PM10
- 11μg/m³
- O₃
- 23.3ppb
- NO₂
- 2.8ppb
- SO₂
- 0.3ppb
- CO
- 1.2ppm
5-Day Weather Forecast
Full 15-Day ForecastWeather Insight
Boston is forecast to reach a high of 26°C today, with an overnight low around 16°C. That's 2° above the long-term average high of 24°C for this time of year. Expect little chance of rain (0% probability) and a gentle breeze averaging 18 km/h. Air quality is currently good (AQI 46), with no notable outdoor health concerns.
Today vs Normal
The long-term average high for today is 24°C.
7 of the last 19 days with published data ran above normal.
That's a break from the pattern - today's forecast runs above normal even though the recent stretch mostly ran below.
Red = above normal, blue = at or below · last 12 days
Air Quality
Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.