ClimateAverages

Boston Weather in August

JanFebMarAprMayJunJulAugSepOctNovDec
Right now
24°C
Partly cloudy · feels like 26°C
Humidity
64%
Wind
11 kph WSW
UV
0.6
Rain
0%
Updated Jul 9, 07:45 AMWeather data by WeatherAPI.com
August daytime high
27.0°C
August overnight low
15.4°C
August average
21.2°C

In August, Boston typically sees daytime highs of 27.0°C and overnight lows around 15.4°C. Compared to the annual average high of 15.0°C, August runs +12.0°C.

vs. annual avg high
+12.0°C
Rank among 12 months
#2 warmest
Hottest year overall
2011

Where August ranks in Boston

JanFebMarAprMayJunJulAug27°SepOctNovDec

FAQ

What is the average temperature in Boston in August?

August in Boston averages a daytime high of 27.0°C and an overnight low of 15.4°C.

Is August warm or cold in Boston?

August runs +12.0°C compared to Boston's annual average high of 15.0°C, ranking #2 of 12 months by warmth.

What should I pack for Boston in August?

Plan for daytime highs near 27.0°C and cooler evenings around 15.4°C.

Other months for Boston

JanuaryFebruaryMarchAprilMayJuneJulySeptemberOctoberNovemberDecember

August in nearby cities

WorcesterSpringfieldLowellCambridgeBrocktonNew BedfordQuincyLynnNewtonFall RiverSomervilleLawrence