Temperature
Pleasant by day, mild at night.
79°Ftypical August high
Typical range
August climate
August in Boston
United States · North America
Warm days and plenty of sun.
Good overall
Some afternoons can feel hot and muggy.
Daytime high
79°F
Lows around 65°F
Rain
Several rainy days
Sun
11 h/day
Air feel
Slightly humid
When to visit
Month-by-month fit
Best
Precipitation
Several rainy days. About 10 wet days this month.
32%wet-day frequency
Precip amountWet-day chanceSnowfall
Sunshine
Plenty of sun this month.
10.8 hAugust sunshine
Heat & humidity by month
Warm days, with humid periods.
Slightly humidAugust Heat feel
Easy airWarm airHot airHumid air
Hourly temperature pattern
In August, afternoons feel about 78° and nights feel near 67°.
FreezingVery coldColdCoolComfortableWarmNight hours
Clear sky
Partly cloudy skies this month.
46%August Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in August.
7 mphAugust Light breeze
More detailIncludes daypart comfort
Typical August day
August late afternoons are around 77°F, easing to about 73°F in early evening.
Avg temp Typical range
Morning72°F
Rain13%
Cloud53%
Humid airModerate
Sun intensityModerate
Midday77°F
Rain16%
Cloud59%
Humid airModerate
Sun intensityStrong
Late afternoon77°F
Rain18%
Cloud60%
Humid airModerate
Sun intensityModerate
Early evening73°F
Rain11%
Cloud53%
Humid airModerate
Sun intensityMinimal
Best windowData tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 37 | 25 | 3.9 | 10 | 6.4 | 67 |
| Feb | 39 | 26 | 3.4 | 10 | 7.3 | 65 |
| Mar | 46 | 33 | 4.4 | 11 | 8.0 | 65 |
| Apr | 55 | 42 | 4.1 | 11 | 9.1 | 66 |
| May | 65 | 51 | 3.4 | 11 | 10.0 | 71 |
| Jun | 74 | 60 | 3.5 | 11 | 11.0 | 74 |
| Jul | 80 | 67 | 3.1 | 10 | 11.6 | 74 |
| Aug | 79 | 65 | 3.3 | 10 | 10.8 | 75 |
| Sep | 72 | 60 | 3.4 | 8 | 9.1 | 76 |
| Oct | 62 | 49 | 4.3 | 10 | 7.7 | 74 |
| Nov | 51 | 39 | 3.3 | 9 | 6.4 | 70 |
| Dec | 42 | 31 | 4.5 | 11 | 5.8 | 70 |
Similar climates
Similar
Similar travel styleWashington DCUnited StatesSimilar travel stylePhiladelphiaUnited StatesSimilar travel styleSarajevoBosniaSimilar travel styleQuebec CityCanada
Want a side-by-side climate view? Compare Boston with Washington DC.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Aug 28, 2026
Data & methodology