Weather in Boston in August
In an average August, Boston sees a daily high around 78°F and a low around 65°F, based on 1980–2026 of local climate records.
| Average high | 78°F |
|---|---|
| Typical high range | 71°F to 86°F |
| Average low | 65°F |
| Typical low range | 59°F to 72°F |
| Average daily precipitation | 0.10 in |
August records
The most extreme August on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total August accumulation.
High
Highest
95°F
1993-08-28
Lowest
61°F
1987-08-29
Low
Highest
79°F
2006-08-02
Lowest
48°F
1986-08-30
Feels-like
Highest
130°F
2016-08-12
Lowest
43°F
1982-08-29
Humidity
Highest
23.4 g/m³
2016-08-12
Lowest
6.5 g/m³
1987-08-24
Wind
Highest
31 mph
1991-08-19
Lowest
4 mph
1997-08-25
Gust
Highest
70 mph
2011-08-28
Lowest
10 mph
1996-08-05
Precip
Wettest
7.14 in
2011
Driest
0.90 in
1993
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