Weather in Washington in August
In an average August, Washington sees a daily high around 86°F and a low around 69°F, based on 1980–2026 of local climate records.
| Average high | 86°F |
|---|---|
| Typical high range | 78°F to 94°F |
| Average low | 69°F |
| Typical low range | 62°F to 75°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
102°F
1988-08-15
Lowest
69°F
1989-08-11
Low
Highest
82°F
2006-08-03
Lowest
46°F
1986-08-30
Feels-like
Highest
138°F
2021-08-11
Lowest
43°F
1986-08-30
Humidity
Highest
24.2 g/m³
2017-08-18
Lowest
6.2 g/m³
1982-08-29
Wind
Highest
25 mph
2011-08-28
Lowest
3 mph
1984-08-26
Gust
Highest
57 mph
2011-08-28
Lowest
8 mph
1996-08-14
Precip
Wettest
10.46 in
2020
Driest
0.96 in
2025
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