Weather in South Boston in August
In an average August, South Boston sees a daily high around 81°F and a low around 65°F, based on 1980–2026 of local climate records.
| Average high | 81°F |
|---|---|
| Typical high range | 73°F to 89°F |
| Average low | 65°F |
| Typical low range | 58°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
100°F
1993-08-28
Lowest
60°F
1987-08-29
Low
Highest
80°F
2006-08-02
Lowest
45°F
1986-08-30
Feels-like
Highest
141°F
2016-08-12
Lowest
41°F
1982-08-30
Humidity
Highest
24.0 g/m³
2016-08-12
Lowest
6.0 g/m³
1987-08-24
Wind
Highest
29 mph
1991-08-19
Lowest
4 mph
1997-08-25
Gust
Highest
67 mph
2011-08-28
Lowest
9 mph
2024-08-25
Precip
Wettest
7.35 in
2011
Driest
1.15 in
1993
See South Boston's live weather grade →
Visiting South Boston in August? See how its comfort stacks up against where you live.
Compare South Boston with your city →