Weather in Washington, District of Columbia, United States in August
In an average August, Washington sees a daily high around 86°F and a low around 68°F, based on 1981–2026 of local climate records.
| Average high | 86°F |
|---|---|
| Typical high range | 79°F to 94°F |
| Average low | 68°F |
| Typical low range | 62°F to 74°F |
| Average daily precipitation | 0.10 in |
August records
The most extreme August on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total August accumulation.
High
Highest
103°F
1983-08-20
Lowest
69°F
1986-08-29
Low
Highest
79°F
2007-08-08
Lowest
49°F
1986-08-29
Feels-like
Highest
134°F
2021-08-11
Lowest
43°F
1986-08-29
Humidity
Highest
22.5 g/m³
2010-08-05
Lowest
5.5 g/m³
1982-08-29
Wind
Highest
39 mph
2011-08-28
Lowest
4 mph
2001-08-11
Precip
Wettest
9.62 in
2020
Driest
0.97 in
2025
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