United States · 1991–2020 normal
Boston in
August.
Typical August weather in Boston: 24.7°C by day, 14.5°C at night, 115 mm of rain over 10 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high24.7°C
Typical low14.5°C
Rain115 mm
Wet days10
Comfort score 79 this month, the highest of the year. Daylight is calculated as 13 h 55 from latitude 42.63°. Open-water sea temperature is 23.1°C (32 km from the place centre).
Event window
Warm sea in August
The nearest open-water NOAA OISST 1991–2020 cell averages 23.1°C in August. A sheltered bay can run warmer than that open-water cell.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5109797
- NOAA station
- USC00301625 · COLDEN 1W
- Station distance
- 3 km from the place centre
- Coverage
- Good coverage · 16 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.