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Hourly Forecast
Daylight Hours
06:44
Sunrise
19:03
Sunset
Moon
Waxing Crescent
13:27
Moonrise
20:30
Moonset
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Weather in Boston today, September 16, 2026
Boston looks cloudy on September 16, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward. The morning sky stays heavily clouded, with cover near 76% around 10:00. Grey conditions set the early tone before any later change.
Temperatures climb from an overnight low near 11°C toward a daytime high of about 19°C. Relative humidity sits between 52% and 82%, reaching its peak around 23:00. Airflow remains manageable, reaching about 5.5 km/h around 15:00.
Afternoon skies stay clogged, peaking close to 100% near 17:00. The grey theme continues rather than clearing out. Visibility holds near 38.0 km, though it can fall to 30.7 km. Sunrise is at 06:44 and sunset at 19:03, giving 12 hours 19 minutes of sunlight today.
In short, cloud leads the story in Boston on September 16, 2026; expect limited sun and a peak around 19°C.
Frequently asked questions about weather in Boston
How warm does it get in Boston?
The warmest month in Boston is July, with average high temperatures of 22°C. The average temperature during this period is around 18°C.
How cold does it get in Boston?
The coldest month in Boston is January, with average low temperatures of 2°C. The average temperature during this period is around 5°C.
What is the wettest time of year in Boston?
The wettest month in Boston is October, with an average of 73mm of precipitation.
What is the driest time of year in Boston?
The driest month in Boston is April, with an average of 41mm of precipitation.
