Washington, D.C. Weather
Washington, D.C. weather today, the 14-day forecast, and average temperature, rain and what to wear for every month — compared against Hong Kong. Best months to visit: Apr, May, Jun, Jul, Aug, Sep, Oct and Nov.
Washington, D.C. current weather
Washington, D.C. now (local time 07:15)
16°C
Overcast
- Feels like
- 17°
- Humidity
- 91%
- Wind
- 6 km/h
Next 7 days · what to wear
11° – 30°C
Mostly dry all week
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings; big day–night swing, so dress in layers.
Washington, D.C. 14-day forecast
Today
10/4
🌦️
19°
16°
💧31%
Mon
10/5
☁️
22°
12°
💧0%
Tue
10/6
☀️
21°
11°
💧0%
Wed
10/7
☀️
25°
11°
💧0%
Thu
10/8
☁️
30°
15°
💧1%
Fri
10/9
☁️
23°
14°
💧1%
Sat
10/10
☁️
24°
14°
💧0%
Sun
10/11
🌦️
19°
15°
💧35%
Mon
10/12
🌧️
19°
15°
💧35%
Tue
10/13
🌦️
21°
16°
💧24%
Wed
10/14
🌦️
20°
14°
💧16%
Thu
10/15
☀️
19°
10°
💧30%
Fri
10/16
☁️
19°
10°
💧27%
Sat
10/17
☁️
17°
13°
💧23%
Best time to visit Washington, D.C.
On temperature and rainfall, the most comfortable months in Washington, D.C. are Apr, May, Jun, Jul, Aug, Sep, Oct and Nov. The hottest month is July (average high 31°C) and the coldest is January (average low -3°C).
Washington, D.C. climate by month
| Month | Avg high | Avg low | Rain | Humidity | vs Hong Kong |
|---|---|---|---|---|---|
| Jan | 5°C | -3°C | 67 mm | 82% | -16°C |
| Feb | 6°C | -3°C | 70 mm | 80% | -16°C |
| Mar | 11°C | 1°C | 84 mm | 79% | -14°C |
| AprBest | 18°C | 7°C | 92 mm | 76% | -11°C |
| MayBest | 23°C | 13°C | 109 mm | 78% | -9°C |
| JunBest | 28°C | 18°C | 118 mm | 74% | -5°C |
| JulBest | 31°C | 21°C | 116 mm | 69% | -3°C |
| AugBest | 31°C | 21°C | 109 mm | 70% | -4°C |
| SepBest | 27°C | 17°C | 107 mm | 72% | -7°C |
| OctBest | 20°C | 10°C | 105 mm | 76% | -11°C |
| NovBest | 13°C | 3°C | 80 mm | 79% | -14°C |
| Dec | 7°C | -1°C | 95 mm | 83% | -15°C |
Data: NASA POWER 2001–2020 climatology (MERRA-2, elevation-corrected); Hong Kong comparison uses HKO 1991–2020 normals.
Washington, D.C. weather month by month: what to wear
Washington, D.C. in OctoberBest monthThis month
October in Washington, D.C. is mild and cool: average highs of 20°C and lows of 10°C, around 105 mm of rain (some rain) and 76% humidity — about 11°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Long sleeves with a light jacket or sweater; big day–night swing, so dress in layers.
Washington, D.C. in NovemberBest month
November in Washington, D.C. is chilly: average highs of 13°C and lows of 3°C, around 80 mm of rain (some rain) and 79% humidity — about 14°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 A sweater plus a coat or windbreaker; big day–night swing, so dress in layers.
Washington, D.C. in December
December in Washington, D.C. is cold: average highs of 7°C and lows of -1°C, around 95 mm of rain (some rain) and 83% humidity — about 15°C colder than Hong Kong.
👕 A warm coat over a sweater, plus a scarf.
Washington, D.C. in January
January in Washington, D.C. is cold: average highs of 5°C and lows of -3°C, around 67 mm of rain (mostly dry) and 82% humidity — about 16°C colder than Hong Kong.
👕 A down jacket, thermal base layers, scarf and gloves.
Washington, D.C. in February
February in Washington, D.C. is cold: average highs of 6°C and lows of -3°C, around 70 mm of rain (mostly dry) and 80% humidity — about 16°C colder than Hong Kong.
👕 A warm coat over a sweater, plus a scarf; big day–night swing, so dress in layers.
Washington, D.C. in March
March in Washington, D.C. is chilly: average highs of 11°C and lows of 1°C, around 84 mm of rain (some rain) and 79% humidity — about 14°C colder than Hong Kong.
👕 A sweater plus a coat or windbreaker; big day–night swing, so dress in layers.
Washington, D.C. in AprilBest month
April in Washington, D.C. is mild and cool: average highs of 18°C and lows of 7°C, around 92 mm of rain (some rain) and 76% humidity — about 11°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Long sleeves with a light jacket or sweater; big day–night swing, so dress in layers.
Washington, D.C. in MayBest month
May in Washington, D.C. is pleasantly warm: average highs of 23°C and lows of 13°C, around 109 mm of rain (some rain) and 78% humidity — about 9°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings; big day–night swing, so dress in layers.
Washington, D.C. in JuneBest month
June in Washington, D.C. is warm to hot: average highs of 28°C and lows of 18°C, around 118 mm of rain (some rain) and 74% humidity — about 5°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves, plus a light layer for air-conditioned interiors; big day–night swing, so dress in layers.
Washington, D.C. in JulyBest month
July in Washington, D.C. is hot: average highs of 31°C and lows of 21°C, around 116 mm of rain (some rain) and 69% humidity — about 3°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; big day–night swing, so dress in layers.
Washington, D.C. in AugustBest month
August in Washington, D.C. is warm to hot: average highs of 31°C and lows of 21°C, around 109 mm of rain (some rain) and 70% humidity — about 4°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; big day–night swing, so dress in layers.
Washington, D.C. in SeptemberBest month
September in Washington, D.C. is warm to hot: average highs of 27°C and lows of 17°C, around 107 mm of rain (some rain) and 72% humidity — about 7°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves, plus a light layer for air-conditioned interiors; big day–night swing, so dress in layers.
FAQ
›What is the best time to visit Washington, D.C.?
On temperature and rainfall, the most comfortable months in Washington, D.C. are Apr, May, Jun, Jul, Aug, Sep, Oct and Nov. The hottest month is July (average high 31°C) and the coldest is January (average low -3°C).
›What's the weather like in Washington, D.C. in October, and what should I wear?
October in Washington, D.C. is mild and cool: average highs of 20°C and lows of 10°C, around 105 mm of rain (some rain) and 76% humidity — about 11°C colder than Hong Kong. It's one of the most comfortable months of the year to visit. What to wear: Long sleeves with a light jacket or sweater; big day–night swing, so dress in layers.
›What's the weather like in Washington, D.C. in November, and what should I wear?
November in Washington, D.C. is chilly: average highs of 13°C and lows of 3°C, around 80 mm of rain (some rain) and 79% humidity — about 14°C colder than Hong Kong. It's one of the most comfortable months of the year to visit. What to wear: A sweater plus a coat or windbreaker; big day–night swing, so dress in layers.
›When is the rainy season in Washington, D.C.?
Washington, D.C. is wettest in June, with about 118 mm on average, and driest in January, with about 67 mm.
›How cold does Washington, D.C. get? Does it snow?
The coldest month is January, averaging 5°C by day and -3°C at night. Nights regularly drop below freezing and snow is possible.
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Forecast data: Open-Meteo.com (CC BY 4.0), refreshed every 3 hours. Hottest month: July; coldest: January.